Staging: pcc-acpi: update to latest version
Import the changes from the upstream driver into this version to keep things up to date. Cc: Yokota Hiroshi <yokota@netlab.cs.tsukuba.ac.jp> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman
parent
bc36e6559c
commit
f2d86100d9
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@ -94,20 +94,21 @@
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*
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*/
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#define ACPI_PCC_VERSION "0.9"
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#define ACPI_PCC_VERSION "0.9+hy"
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#include <linux/version.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/proc_fs.h>
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#include <linux/ctype.h>
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#include <linux/seq_file.h>
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#include <asm/uaccess.h>
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#include <acpi/acpi_bus.h>
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#include <acpi/acpi_drivers.h>
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#include <asm/uaccess.h>
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#include <linux/ctype.h>
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#include <linux/init.h>
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#include <linux/input.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/slab.h>
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#include <linux/types.h>
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#include <linux/version.h>
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/*************************************************************************
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@ -152,10 +153,10 @@ static int _open_func_name_(struct inode *inode, struct file *file) \
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#endif
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#define _COMPONENT ACPI_HOTKEY_COMPONENT
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ACPI_MODULE_NAME("pcc_acpi")
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ACPI_MODULE_NAME("pcc_acpi");
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MODULE_AUTHOR("Hiroshi Miura");
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MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Lets Note laptops");
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MODULE_AUTHOR("Hiroshi Miura, Hiroshi Yokota");
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MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Let's Note laptops");
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MODULE_LICENSE("GPL");
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#define LOGPREFIX "pcc_acpi: "
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@ -182,7 +183,7 @@ MODULE_LICENSE("GPL");
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* definitions for /proc/ interface
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*
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*******************************************************************/
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#define ACPI_PCC_DRIVER_NAME "PCC Extra Driver"
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#define ACPI_PCC_DRIVER_NAME "pcc_acpi"
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#define ACPI_PCC_DEVICE_NAME "PCCExtra"
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#define ACPI_PCC_CLASS "pcc"
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#define PROC_PCC ACPI_PCC_CLASS
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@ -196,6 +197,12 @@ MODULE_LICENSE("GPL");
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#define PROC_STR_MAX_LEN 8
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#define BUS_PCC_HOTKEY BUS_I8042 /*0x1a*/ /* FIXME: BUS_I8042? */
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/* Fn+F4/F5 confricts with Shift+F1/F2 */
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/* This hack avoids key number confrict */
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#define PCC_KEYINPUT_MODE (0)
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/* LCD_TYPEs: 0 = Normal, 1 = Semi-transparent
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ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00
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*/
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@ -209,27 +216,32 @@ enum SINF_BITS { SINF_NUM_BATTERIES = 0,
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SINF_STICKY_KEY = 0x80,
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};
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static int acpi_pcc_hotkey_add(struct acpi_device *device);
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static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
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static int acpi_pcc_hotkey_resume(struct acpi_device *device);
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static const struct acpi_device_id pcc_device_ids[] = {
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static struct acpi_device_id pcc_device_ids[] = {
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{"MAT0012", 0},
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{"MAT0013", 0},
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{"MAT0018", 0},
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{"MAT0019", 0},
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{"", 0},
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{"", 0},
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};
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MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
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static int __devinit acpi_pcc_hotkey_add(struct acpi_device *device);
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static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
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static int acpi_pcc_hotkey_resume(struct acpi_device *device);
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static struct acpi_driver acpi_pcc_driver = {
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.name = ACPI_PCC_DRIVER_NAME,
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.class = ACPI_PCC_CLASS,
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.ids = pcc_device_ids,
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.ops = {
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.add = acpi_pcc_hotkey_add,
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.remove = acpi_pcc_hotkey_remove,
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.remove = __devexit_p(acpi_pcc_hotkey_remove),
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#ifdef CONFIG_PM
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/*.suspend = acpi_pcc_hotkey_suspend,*/
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.resume = acpi_pcc_hotkey_resume,
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#endif
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},
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};
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@ -248,9 +260,12 @@ struct pcc_keyinput {
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int key_mode;
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};
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/* --------------------------------------------------------------------------
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/* *************************************************************************
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Hotkey driver core
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************************************************************************* */
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/* -------------------------------------------------------------------------
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method access functions
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-------------------------------------------------------------------------- */
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------------------------------------------------------------------------- */
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static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
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{
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union acpi_object in_objs[] = {
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@ -263,13 +278,13 @@ static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
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.count = ARRAY_SIZE(in_objs),
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.pointer = in_objs,
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};
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acpi_status status = AE_OK;
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acpi_status status;
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ACPI_FUNCTION_TRACE("acpi_pcc_write_sset");
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status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SSET, ¶ms, NULL);
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return_VALUE(status == AE_OK);
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return_VALUE(status == AE_OK ? AE_OK : AE_ERROR);
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}
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static inline int acpi_pcc_get_sqty(struct acpi_device *device)
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@ -301,19 +316,20 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
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status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SINF, 0 , &buffer);
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if (ACPI_FAILURE(status)) {
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ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "evaluation error HKEY.SINF\n"));
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return_VALUE(0);
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status = AE_ERROR;
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return_VALUE(status);
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}
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hkey = buffer.pointer;
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if (!hkey || (hkey->type != ACPI_TYPE_PACKAGE)) {
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ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF\n"));
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goto end;
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goto free_buffer;
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}
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if (hotkey->num_sifr < hkey->package.count) {
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ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "SQTY reports bad SINF length\n"));
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status = AE_ERROR;
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goto end;
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goto free_buffer;
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}
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for (i = 0; i < hkey->package.count; i++) {
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@ -322,59 +338,54 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
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sinf[i] = element->integer.value;
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} else {
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ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF data\n"));
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status = AE_ERROR;
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break;
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}
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}
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sinf[hkey->package.count] = -1;
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end:
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free_buffer:
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kfree(buffer.pointer);
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return_VALUE(status == AE_OK);
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return_VALUE(status == AE_OK ? AE_OK : AE_ERROR);
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}
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static int acpi_pcc_read_sinf_field(struct seq_file *seq, int field)
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{
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struct acpi_hotkey *hotkey = (struct acpi_hotkey *) seq->private;
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u32* sinf = kmalloc(sizeof(u32) * (hotkey->num_sifr + 1), GFP_KERNEL);
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u32 sinf[hotkey->num_sifr + 1];
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ACPI_FUNCTION_TRACE("acpi_pcc_read_sinf_field");
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if (!sinf) {
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ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate %li bytes\n",
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sizeof(u32) * hotkey->num_sifr));
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return_VALUE(0);
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}
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if (acpi_pcc_retrieve_biosdata(hotkey, sinf)) {
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if (ACPI_SUCCESS(acpi_pcc_retrieve_biosdata(hotkey, sinf))) {
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seq_printf(seq, "%u\n", sinf[field]);
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} else {
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ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
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}
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kfree(sinf);
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return_VALUE(0);
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return_VALUE(AE_OK);
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}
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/* --------------------------------------------------------------------------
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/* -------------------------------------------------------------------------
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user interface functions
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-------------------------------------------------------------------------- */
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------------------------------------------------------------------------- */
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/* read methods */
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/* Sinf read methods */
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#define PCC_SINF_READ_F(_name_, FUNC) \
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static int _name_ (struct seq_file *seq, void *offset) \
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{ \
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return acpi_pcc_read_sinf_field(seq, (FUNC)); \
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return_VALUE(ACPI_SUCCESS(acpi_pcc_read_sinf_field(seq, (FUNC))) ? 0 : -EINVAL); \
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}
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PCC_SINF_READ_F(acpi_pcc_numbatteries_show, SINF_NUM_BATTERIES);
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PCC_SINF_READ_F(acpi_pcc_lcdtype_show, SINF_LCD_TYPE);
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PCC_SINF_READ_F(acpi_pcc_numbatteries_show, SINF_NUM_BATTERIES);
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PCC_SINF_READ_F(acpi_pcc_lcdtype_show, SINF_LCD_TYPE);
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PCC_SINF_READ_F(acpi_pcc_ac_brightness_max_show, SINF_AC_MAX_BRIGHT);
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PCC_SINF_READ_F(acpi_pcc_ac_brightness_min_show, SINF_AC_MIN_BRIGHT);
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PCC_SINF_READ_F(acpi_pcc_ac_brightness_show, SINF_AC_CUR_BRIGHT);
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PCC_SINF_READ_F(acpi_pcc_ac_brightness_show, SINF_AC_CUR_BRIGHT);
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PCC_SINF_READ_F(acpi_pcc_dc_brightness_max_show, SINF_DC_MAX_BRIGHT);
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PCC_SINF_READ_F(acpi_pcc_dc_brightness_min_show, SINF_DC_MIN_BRIGHT);
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PCC_SINF_READ_F(acpi_pcc_dc_brightness_show, SINF_DC_CUR_BRIGHT);
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PCC_SINF_READ_F(acpi_pcc_brightness_show, SINF_AC_CUR_BRIGHT);
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PCC_SINF_READ_F(acpi_pcc_mute_show, SINF_MUTE);
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PCC_SINF_READ_F(acpi_pcc_dc_brightness_show, SINF_DC_CUR_BRIGHT);
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PCC_SINF_READ_F(acpi_pcc_brightness_show, SINF_AC_CUR_BRIGHT);
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PCC_SINF_READ_F(acpi_pcc_mute_show, SINF_MUTE);
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static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
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{
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@ -383,7 +394,7 @@ static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
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ACPI_FUNCTION_TRACE("acpi_pcc_sticky_key_show");
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if (!hotkey || !hotkey->device) {
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return_VALUE(0);
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return_VALUE(-EINVAL);
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}
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seq_printf(seq, "%d\n", hotkey->sticky_mode);
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@ -410,8 +421,9 @@ static int acpi_pcc_version_show(struct seq_file *seq, void *offset)
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ACPI_FUNCTION_TRACE("acpi_pcc_version_show");
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if (!hotkey || !hotkey->device)
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return 0;
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if (!hotkey || !hotkey->device) {
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return_VALUE(-EINVAL);
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}
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seq_printf(seq, "%s version %s\n", ACPI_PCC_DRIVER_NAME, ACPI_PCC_VERSION);
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seq_printf(seq, "%li functions\n", hotkey->num_sifr);
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@ -421,27 +433,28 @@ static int acpi_pcc_version_show(struct seq_file *seq, void *offset)
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/* write methods */
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static ssize_t acpi_pcc_write_single_flag (struct file *file,
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const char __user *buffer,
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size_t count,
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int sinf_func)
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const char __user *buffer,
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size_t count,
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int sinf_func)
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{
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struct seq_file *seq = file->private_data;
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struct acpi_hotkey *hotkey = seq->private;
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char write_string[PROC_STR_MAX_LEN];
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u32 val;
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u32 val;
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ACPI_FUNCTION_TRACE("acpi_pcc_write_single_flag");
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if (!hotkey || (count > sizeof(write_string) - 1)) {
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return_VALUE(-EINVAL);
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}
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}
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if (copy_from_user(write_string, buffer, count)) {
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return_VALUE(-EFAULT);
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}
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}
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write_string[count] = '\0';
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if (sscanf(write_string, "%i", &val) == 1 && (val == 0 || val == 1)) {
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if ((sscanf(write_string, "%3i", &val) == 1) &&
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(val == 0 || val == 1)) {
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acpi_pcc_write_sset(hotkey, sinf_func, val);
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}
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@ -457,53 +470,51 @@ static unsigned long acpi_pcc_write_brightness(struct file *file, const char __u
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struct acpi_hotkey *hotkey = (struct acpi_hotkey *)seq->private;
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char write_string[PROC_STR_MAX_LEN];
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u32 bright;
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u32* sinf = kmalloc(sizeof(u32) * (hotkey->num_sifr + 1), GFP_KERNEL);
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u32 sinf[hotkey->num_sifr + 1];
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ACPI_FUNCTION_TRACE("acpi_pcc_write_brightness");
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if (!hotkey || (count > sizeof(write_string) - 1))
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if (!hotkey || (count > sizeof(write_string) - 1)) {
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return_VALUE(-EINVAL);
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}
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if (!sinf) {
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ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate %li bytes\n",
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sizeof(u32) * hotkey->num_sifr));
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if (copy_from_user(write_string, buffer, count)) {
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return_VALUE(-EFAULT);
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}
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if (copy_from_user(write_string, buffer, count))
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return_VALUE(-EFAULT);
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write_string[count] = '\0';
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if (!acpi_pcc_retrieve_biosdata(hotkey, sinf)) {
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if (ACPI_FAILURE(acpi_pcc_retrieve_biosdata(hotkey, sinf))) {
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ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
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goto end;
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}
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if (sscanf(write_string, "%i", &bright) == 1 &&
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bright >= sinf[min_index] && bright <= sinf[max_index]) {
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acpi_pcc_write_sset(hotkey, cur_index, bright);
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if ((sscanf(write_string, "%4i", &bright) == 1) &&
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(bright >= sinf[min_index] ) &&
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(bright <= sinf[max_index] )) {
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acpi_pcc_write_sset(hotkey, cur_index, bright);
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}
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end:
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kfree(sinf);
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return_VALUE(count);
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}
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static ssize_t acpi_pcc_write_ac_brightness(struct file *file, const char __user *buffer,
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size_t count, loff_t *ppos)
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{
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return acpi_pcc_write_brightness(file, buffer, count, SINF_AC_MIN_BRIGHT,
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SINF_AC_MAX_BRIGHT,
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SINF_AC_CUR_BRIGHT);
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return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
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SINF_AC_MIN_BRIGHT,
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SINF_AC_MAX_BRIGHT,
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SINF_AC_CUR_BRIGHT));
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}
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static ssize_t acpi_pcc_write_dc_brightness(struct file *file, const char __user *buffer,
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size_t count, loff_t *ppos)
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{
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return acpi_pcc_write_brightness(file, buffer, count, SINF_DC_MIN_BRIGHT,
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SINF_DC_MAX_BRIGHT,
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SINF_DC_CUR_BRIGHT);
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return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
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SINF_DC_MIN_BRIGHT,
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SINF_DC_MAX_BRIGHT,
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SINF_DC_CUR_BRIGHT));
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}
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static ssize_t acpi_pcc_write_no_brightness(struct file *file, const char __user *buffer,
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@ -518,14 +529,36 @@ static ssize_t acpi_pcc_write_mute (struct file *file,
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const char __user *buffer,
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size_t count, loff_t *ppos)
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{
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return acpi_pcc_write_single_flag(file, buffer, count, SINF_MUTE);
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return_VALUE(acpi_pcc_write_single_flag(file, buffer, count, SINF_MUTE));
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}
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static ssize_t acpi_pcc_write_sticky_key (struct file *file,
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const char __user *buffer,
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size_t count, loff_t *ppos)
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{
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return acpi_pcc_write_single_flag(file, buffer, count, SINF_STICKY_KEY);
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struct seq_file *seq = (struct seq_file *)file->private_data;
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struct acpi_hotkey *hotkey = (struct acpi_hotkey *)seq->private;
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char write_string[PROC_STR_MAX_LEN];
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int mode;
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ACPI_FUNCTION_TRACE("acpi_pcc_write_sticky_key");
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if (!hotkey || (count > sizeof(write_string) - 1)) {
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return_VALUE(-EINVAL);
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}
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if (copy_from_user(write_string, buffer, count)) {
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return_VALUE(-EFAULT);
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}
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write_string[count] = '\0';
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if ((sscanf(write_string, "%3i", &mode) == 1) &&
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(mode == 0 || mode == 1)) {
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acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, mode);
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hotkey->sticky_mode = mode;
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}
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return_VALUE(count);
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}
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|
||||
static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buffer,
|
||||
|
|
@ -539,25 +572,28 @@ static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buf
|
|||
|
||||
ACPI_FUNCTION_TRACE("acpi_pcc_write_keyinput");
|
||||
|
||||
if (!hotkey || (count > sizeof(write_string) - 1))
|
||||
if (!hotkey || (count > (sizeof(write_string) - 1))) {
|
||||
return_VALUE(-EINVAL);
|
||||
}
|
||||
|
||||
if (copy_from_user(write_string, buffer, count))
|
||||
if (copy_from_user(write_string, buffer, count)) {
|
||||
return_VALUE(-EFAULT);
|
||||
}
|
||||
|
||||
write_string[count] = '\0';
|
||||
|
||||
if (sscanf(write_string, "%i", &key_mode) == 1 && (key_mode == 0 || key_mode == 1)) {
|
||||
keyinput = (struct pcc_keyinput *)input_get_drvdata(hotkey->input_dev);
|
||||
if ((sscanf(write_string, "%4i", &key_mode) == 1) &&
|
||||
(key_mode == 0 || key_mode == 1)) {
|
||||
keyinput = input_get_drvdata(hotkey->input_dev);
|
||||
keyinput->key_mode = key_mode;
|
||||
}
|
||||
|
||||
return_VALUE(count);
|
||||
}
|
||||
|
||||
/* --------------------------------------------------------------------------
|
||||
/* -------------------------------------------------------------------------
|
||||
hotkey driver
|
||||
-------------------------------------------------------------------------- */
|
||||
------------------------------------------------------------------------- */
|
||||
static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey)
|
||||
{
|
||||
struct input_dev *hotk_input_dev = hotkey->input_dev;
|
||||
|
|
@ -640,38 +676,38 @@ void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
|
|||
return_VOID;
|
||||
}
|
||||
|
||||
/* --------------------------------------------------------------------------
|
||||
FS Interface (/proc)
|
||||
-------------------------------------------------------------------------- */
|
||||
/* *************************************************************************
|
||||
FS Interface (/proc)
|
||||
************************************************************************* */
|
||||
/* oepn proc file fs*/
|
||||
SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs, acpi_pcc_dc_brightness_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs, acpi_pcc_numbatteries_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs, acpi_pcc_lcdtype_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs, acpi_pcc_dc_brightness_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs, acpi_pcc_numbatteries_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs, acpi_pcc_lcdtype_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_ac_brightness_max_open_fs, acpi_pcc_ac_brightness_max_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs, acpi_pcc_ac_brightness_min_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs, acpi_pcc_ac_brightness_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs, acpi_pcc_ac_brightness_min_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs, acpi_pcc_ac_brightness_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_dc_brightness_max_open_fs, acpi_pcc_dc_brightness_max_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_dc_brightness_min_open_fs, acpi_pcc_dc_brightness_min_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_brightness_open_fs, acpi_pcc_brightness_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_mute_open_fs, acpi_pcc_mute_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_version_open_fs, acpi_pcc_version_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs, acpi_pcc_keyinput_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs, acpi_pcc_sticky_key_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_brightness_open_fs, acpi_pcc_brightness_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_mute_open_fs, acpi_pcc_mute_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_version_open_fs, acpi_pcc_version_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs, acpi_pcc_keyinput_show);
|
||||
SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs, acpi_pcc_sticky_key_show);
|
||||
|
||||
typedef struct file_operations fops_t;
|
||||
static fops_t acpi_pcc_numbatteries_fops = SEQ_FILEOPS_R (acpi_pcc_numbatteries_open_fs);
|
||||
static fops_t acpi_pcc_lcdtype_fops = SEQ_FILEOPS_R (acpi_pcc_lcdtype_open_fs);
|
||||
static fops_t acpi_pcc_mute_fops = SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute);
|
||||
static fops_t acpi_pcc_ac_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs, acpi_pcc_write_ac_brightness);
|
||||
static fops_t acpi_pcc_ac_brightness_max_fops = SEQ_FILEOPS_R(acpi_pcc_ac_brightness_max_open_fs);
|
||||
static fops_t acpi_pcc_ac_brightness_min_fops = SEQ_FILEOPS_R(acpi_pcc_ac_brightness_min_open_fs);
|
||||
static fops_t acpi_pcc_dc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs, acpi_pcc_write_dc_brightness);
|
||||
static fops_t acpi_pcc_dc_brightness_max_fops = SEQ_FILEOPS_R(acpi_pcc_dc_brightness_max_open_fs);
|
||||
static fops_t acpi_pcc_dc_brightness_min_fops = SEQ_FILEOPS_R(acpi_pcc_dc_brightness_min_open_fs);
|
||||
static fops_t acpi_pcc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs, acpi_pcc_write_no_brightness);
|
||||
static fops_t acpi_pcc_sticky_key_fops = SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key);
|
||||
static fops_t acpi_pcc_keyinput_fops = SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput);
|
||||
static fops_t acpi_pcc_version_fops = SEQ_FILEOPS_R (acpi_pcc_version_open_fs);
|
||||
static fops_t acpi_pcc_numbatteries_fops = SEQ_FILEOPS_R (acpi_pcc_numbatteries_open_fs);
|
||||
static fops_t acpi_pcc_lcdtype_fops = SEQ_FILEOPS_R (acpi_pcc_lcdtype_open_fs);
|
||||
static fops_t acpi_pcc_mute_fops = SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute);
|
||||
static fops_t acpi_pcc_ac_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs, acpi_pcc_write_ac_brightness);
|
||||
static fops_t acpi_pcc_ac_brightness_max_fops = SEQ_FILEOPS_R (acpi_pcc_ac_brightness_max_open_fs);
|
||||
static fops_t acpi_pcc_ac_brightness_min_fops = SEQ_FILEOPS_R (acpi_pcc_ac_brightness_min_open_fs);
|
||||
static fops_t acpi_pcc_dc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs, acpi_pcc_write_dc_brightness);
|
||||
static fops_t acpi_pcc_dc_brightness_max_fops = SEQ_FILEOPS_R (acpi_pcc_dc_brightness_max_open_fs);
|
||||
static fops_t acpi_pcc_dc_brightness_min_fops = SEQ_FILEOPS_R (acpi_pcc_dc_brightness_min_open_fs);
|
||||
static fops_t acpi_pcc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs, acpi_pcc_write_no_brightness);
|
||||
static fops_t acpi_pcc_sticky_key_fops = SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key);
|
||||
static fops_t acpi_pcc_keyinput_fops = SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput);
|
||||
static fops_t acpi_pcc_version_fops = SEQ_FILEOPS_R (acpi_pcc_version_open_fs);
|
||||
|
||||
typedef struct _ProcItem
|
||||
{
|
||||
|
|
@ -681,37 +717,35 @@ typedef struct _ProcItem
|
|||
} ProcItem;
|
||||
|
||||
/* Note: These functions map *exactly* to the SINF/SSET functions */
|
||||
ProcItem pcc_proc_items_sifr[] =
|
||||
{
|
||||
{ "num_batteries", &acpi_pcc_numbatteries_fops, S_IRUGO },
|
||||
{ "lcd_type", &acpi_pcc_lcdtype_fops, S_IRUGO },
|
||||
ProcItem acpi_pcc_proc_items_sifr[] = {
|
||||
{ "num_batteries", &acpi_pcc_numbatteries_fops, S_IRUGO },
|
||||
{ "lcd_type", &acpi_pcc_lcdtype_fops, S_IRUGO },
|
||||
{ "ac_brightness_max" , &acpi_pcc_ac_brightness_max_fops,S_IRUGO },
|
||||
{ "ac_brightness_min" , &acpi_pcc_ac_brightness_min_fops,S_IRUGO },
|
||||
{ "ac_brightness" , &acpi_pcc_ac_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
|
||||
{ "ac_brightness" , &acpi_pcc_ac_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
|
||||
{ "dc_brightness_max" , &acpi_pcc_dc_brightness_max_fops,S_IRUGO },
|
||||
{ "dc_brightness_min" , &acpi_pcc_dc_brightness_min_fops,S_IRUGO },
|
||||
{ "dc_brightness" , &acpi_pcc_dc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
|
||||
{ "brightness" , &acpi_pcc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
|
||||
{ "mute", &acpi_pcc_mute_fops, S_IFREG | S_IRUGO | S_IWUSR },
|
||||
{ "dc_brightness" , &acpi_pcc_dc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
|
||||
{ "brightness" , &acpi_pcc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
|
||||
{ "mute", &acpi_pcc_mute_fops, S_IFREG | S_IRUGO | S_IWUSR },
|
||||
{ NULL, NULL, 0 },
|
||||
};
|
||||
|
||||
ProcItem pcc_proc_items[] =
|
||||
{
|
||||
ProcItem acpi_pcc_proc_items[] = {
|
||||
{ "sticky_key", &acpi_pcc_sticky_key_fops, S_IFREG | S_IRUGO | S_IWUSR },
|
||||
{ "keyinput", &acpi_pcc_keyinput_fops, S_IFREG | S_IRUGO | S_IWUSR },
|
||||
{ "version", &acpi_pcc_version_fops, S_IRUGO },
|
||||
{ "keyinput", &acpi_pcc_keyinput_fops, S_IFREG | S_IRUGO | S_IWUSR },
|
||||
{ "version", &acpi_pcc_version_fops, S_IRUGO },
|
||||
{ NULL, NULL, 0 },
|
||||
};
|
||||
|
||||
static int acpi_pcc_add_device(struct acpi_device *device,
|
||||
ProcItem *proc_items,
|
||||
int num)
|
||||
static int __devinit acpi_pcc_add_device(struct acpi_device *device,
|
||||
ProcItem *proc_items,
|
||||
int num)
|
||||
{
|
||||
struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
|
||||
struct proc_dir_entry* proc;
|
||||
ProcItem* item;
|
||||
int i;
|
||||
struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
|
||||
|
||||
for (item = proc_items, i = 0; item->name && i < num; ++item, ++i) {
|
||||
proc = create_proc_entry(item->name, item->flag, hotkey->proc_dir_entry);
|
||||
|
|
@ -724,16 +758,16 @@ static int acpi_pcc_add_device(struct acpi_device *device,
|
|||
item--;
|
||||
remove_proc_entry(item->name, hotkey->proc_dir_entry);
|
||||
}
|
||||
return -ENODEV;
|
||||
return_VALUE(-ENODEV);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
return_VALUE(0);
|
||||
}
|
||||
|
||||
static int acpi_pcc_proc_init(struct acpi_device *device)
|
||||
static int __devinit acpi_pcc_proc_init(struct acpi_device *device)
|
||||
{
|
||||
struct proc_dir_entry* acpi_pcc_dir;
|
||||
struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
|
||||
struct proc_dir_entry *acpi_pcc_dir;
|
||||
struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
|
||||
acpi_status status;
|
||||
|
||||
ACPI_FUNCTION_TRACE("acpi_pcc_proc_init");
|
||||
|
|
@ -748,8 +782,8 @@ static int acpi_pcc_proc_init(struct acpi_device *device)
|
|||
acpi_pcc_dir->owner = THIS_MODULE;
|
||||
hotkey->proc_dir_entry = acpi_pcc_dir;
|
||||
|
||||
status = acpi_pcc_add_device(device, pcc_proc_items_sifr, hotkey->num_sifr);
|
||||
status |= acpi_pcc_add_device(device, pcc_proc_items, sizeof(pcc_proc_items)/sizeof(ProcItem));
|
||||
status = acpi_pcc_add_device(device, acpi_pcc_proc_items_sifr, hotkey->num_sifr);
|
||||
status |= acpi_pcc_add_device(device, acpi_pcc_proc_items, ARRAY_SIZE(acpi_pcc_proc_items));
|
||||
if (unlikely(status)) {
|
||||
remove_proc_entry(PROC_PCC, acpi_root_dir);
|
||||
hotkey->proc_dir_entry = NULL;
|
||||
|
|
@ -759,9 +793,9 @@ static int acpi_pcc_proc_init(struct acpi_device *device)
|
|||
return_VALUE(status);
|
||||
}
|
||||
|
||||
static void acpi_pcc_remove_device(struct acpi_device *device,
|
||||
ProcItem *proc_items,
|
||||
int num)
|
||||
static void __devexit acpi_pcc_remove_device(struct acpi_device *device,
|
||||
ProcItem *proc_items,
|
||||
int num)
|
||||
{
|
||||
struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
|
||||
ProcItem* item;
|
||||
|
|
@ -771,76 +805,13 @@ static void acpi_pcc_remove_device(struct acpi_device *device,
|
|||
remove_proc_entry(item->name, hotkey->proc_dir_entry);
|
||||
}
|
||||
|
||||
return;
|
||||
return_VOID;
|
||||
}
|
||||
|
||||
/* --------------------------------------------------------------------------
|
||||
input init
|
||||
-------------------------------------------------------------------------- */
|
||||
static int acpi_pcc_init_input(struct acpi_hotkey *hotkey)
|
||||
{
|
||||
struct input_dev *hotk_input_dev;
|
||||
struct pcc_keyinput *pcc_keyinput;
|
||||
|
||||
ACPI_FUNCTION_TRACE("acpi_pcc_init_input");
|
||||
|
||||
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
|
||||
hotk_input_dev = input_allocate_device();
|
||||
if (!hotk_input_dev) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate input device for hotkey"));
|
||||
return_VALUE(-ENOMEM);
|
||||
}
|
||||
#else
|
||||
hotk_input_dev = kcalloc(1, sizeof(struct input_dev),GFP_KERNEL);
|
||||
if (hotk_input_dev == NULL) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
|
||||
return_VALUE(-ENOMEM);
|
||||
}
|
||||
#endif
|
||||
|
||||
pcc_keyinput = kcalloc(1,sizeof(struct pcc_keyinput),GFP_KERNEL);
|
||||
|
||||
if (pcc_keyinput == NULL) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
|
||||
input_unregister_device(hotk_input_dev);
|
||||
return_VALUE(-ENOMEM);
|
||||
}
|
||||
|
||||
hotk_input_dev->evbit[0] = BIT(EV_KEY);
|
||||
|
||||
set_bit(KEY_BRIGHTNESSDOWN, hotk_input_dev->keybit);
|
||||
set_bit(KEY_BRIGHTNESSUP, hotk_input_dev->keybit);
|
||||
set_bit(KEY_MUTE, hotk_input_dev->keybit);
|
||||
set_bit(KEY_VOLUMEDOWN, hotk_input_dev->keybit);
|
||||
set_bit(KEY_VOLUMEUP, hotk_input_dev->keybit);
|
||||
set_bit(KEY_SLEEP, hotk_input_dev->keybit);
|
||||
set_bit(KEY_BATT, hotk_input_dev->keybit);
|
||||
set_bit(KEY_SUSPEND, hotk_input_dev->keybit);
|
||||
|
||||
hotk_input_dev->name = ACPI_PCC_DRIVER_NAME;
|
||||
hotk_input_dev->phys = ACPI_PCC_INPUT_PHYS;
|
||||
hotk_input_dev->id.bustype = 0x1a; /* XXX FIXME: BUS_I8042? */
|
||||
hotk_input_dev->id.vendor = 0x0001;
|
||||
hotk_input_dev->id.product = 0x0001;
|
||||
hotk_input_dev->id.version = 0x0100;
|
||||
|
||||
pcc_keyinput->key_mode = 1; /* default on */
|
||||
pcc_keyinput->hotkey = hotkey;
|
||||
|
||||
input_set_drvdata(hotk_input_dev, pcc_keyinput);
|
||||
|
||||
hotkey->input_dev = hotk_input_dev;
|
||||
|
||||
|
||||
input_register_device(hotk_input_dev);
|
||||
|
||||
return_VALUE(0);
|
||||
}
|
||||
|
||||
/* --------------------------------------------------------------------------
|
||||
module init
|
||||
-------------------------------------------------------------------------- */
|
||||
|
||||
/* *************************************************************************
|
||||
Power Management
|
||||
************************************************************************* */
|
||||
#ifdef CONFIG_PM
|
||||
static int acpi_pcc_hotkey_resume(struct acpi_device *device)
|
||||
{
|
||||
struct acpi_hotkey *hotkey = acpi_driver_data(device);
|
||||
|
|
@ -850,52 +821,149 @@ static int acpi_pcc_hotkey_resume(struct acpi_device *device)
|
|||
|
||||
if (device == NULL || hotkey == NULL) { return_VALUE(-EINVAL); }
|
||||
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Sticky mode restore: %d\n", hotkey->sticky_mode));
|
||||
if (hotkey->num_sifr != 0) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Sticky mode restore: %d\n", hotkey->sticky_mode));
|
||||
|
||||
status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, hotkey->sticky_mode);
|
||||
status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, hotkey->sticky_mode);
|
||||
}
|
||||
if (status != AE_OK) { return_VALUE(-EINVAL); }
|
||||
|
||||
return_VALUE(status == AE_OK ? 0 : -EINVAL);
|
||||
return_VALUE(0);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* *************************************************************************
|
||||
Module init/remove
|
||||
************************************************************************* */
|
||||
/* -------------------------------------------------------------------------
|
||||
input
|
||||
------------------------------------------------------------------------- */
|
||||
static int __devinit acpi_pcc_init_input(struct acpi_hotkey *hotkey)
|
||||
{
|
||||
struct input_dev *hotk_input_dev;
|
||||
struct pcc_keyinput *pcc_keyinput;
|
||||
int error;
|
||||
|
||||
ACPI_FUNCTION_TRACE("acpi_pcc_init_input");
|
||||
|
||||
hotk_input_dev = input_allocate_device();
|
||||
if (hotk_input_dev == NULL) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate input device for hotkey"));
|
||||
goto err_input;
|
||||
}
|
||||
|
||||
pcc_keyinput = kcalloc(1, sizeof(struct pcc_keyinput), GFP_KERNEL);
|
||||
|
||||
if (pcc_keyinput == NULL) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for private data"));
|
||||
goto err_pcc;
|
||||
}
|
||||
|
||||
hotk_input_dev->evbit[0] = BIT(EV_KEY);
|
||||
|
||||
set_bit(KEY_BRIGHTNESSDOWN, hotk_input_dev->keybit);
|
||||
set_bit(KEY_BRIGHTNESSUP, hotk_input_dev->keybit);
|
||||
set_bit(KEY_MUTE, hotk_input_dev->keybit);
|
||||
set_bit(KEY_VOLUMEDOWN, hotk_input_dev->keybit);
|
||||
set_bit(KEY_VOLUMEUP, hotk_input_dev->keybit);
|
||||
set_bit(KEY_SLEEP, hotk_input_dev->keybit);
|
||||
set_bit(KEY_BATT, hotk_input_dev->keybit);
|
||||
set_bit(KEY_SUSPEND, hotk_input_dev->keybit);
|
||||
|
||||
hotk_input_dev->name = ACPI_PCC_DRIVER_NAME;
|
||||
hotk_input_dev->phys = ACPI_PCC_INPUT_PHYS;
|
||||
hotk_input_dev->id.bustype = BUS_PCC_HOTKEY;
|
||||
hotk_input_dev->id.vendor = 0x0001;
|
||||
hotk_input_dev->id.product = 0x0001;
|
||||
hotk_input_dev->id.version = 0x0100;
|
||||
|
||||
pcc_keyinput->key_mode = PCC_KEYINPUT_MODE;
|
||||
pcc_keyinput->hotkey = hotkey;
|
||||
|
||||
input_set_drvdata(hotk_input_dev, pcc_keyinput);
|
||||
|
||||
hotkey->input_dev = hotk_input_dev;
|
||||
|
||||
error = input_register_device(hotk_input_dev);
|
||||
|
||||
if (error) {
|
||||
goto err_pcc;
|
||||
}
|
||||
|
||||
return_VALUE(0);
|
||||
|
||||
err_pcc:
|
||||
input_unregister_device(hotk_input_dev);
|
||||
err_input:
|
||||
return_VALUE(-ENOMEM);
|
||||
}
|
||||
|
||||
static int acpi_pcc_hotkey_add (struct acpi_device *device)
|
||||
static void __devexit acpi_pcc_remove_input(struct acpi_hotkey *hotkey)
|
||||
{
|
||||
struct input_dev *hotk_input_dev;
|
||||
struct pcc_keyinput *pcc_keyinput;
|
||||
|
||||
ACPI_FUNCTION_TRACE("acpi_pcc_remove_input");
|
||||
|
||||
if (hotkey == NULL) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Can't free memory"));
|
||||
return_VOID;
|
||||
}
|
||||
|
||||
hotk_input_dev = hotkey->input_dev;
|
||||
pcc_keyinput = input_get_drvdata(hotk_input_dev);
|
||||
|
||||
input_unregister_device(hotk_input_dev);
|
||||
|
||||
kfree(pcc_keyinput);
|
||||
}
|
||||
|
||||
/* -------------------------------------------------------------------------
|
||||
ACPI
|
||||
------------------------------------------------------------------------- */
|
||||
static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
|
||||
{
|
||||
acpi_status status = AE_OK;
|
||||
struct acpi_hotkey *hotkey = NULL;
|
||||
int num_sifr, result;
|
||||
int sifr_status, num_sifr, result;
|
||||
|
||||
ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add");
|
||||
|
||||
if (!device) {
|
||||
if (device == NULL) {
|
||||
return_VALUE(-EINVAL);
|
||||
}
|
||||
|
||||
num_sifr = acpi_pcc_get_sqty(device);
|
||||
sifr_status = acpi_pcc_get_sqty(device);
|
||||
|
||||
if (num_sifr > 255) {
|
||||
if (sifr_status > 255) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large"));
|
||||
return_VALUE(-ENODEV);
|
||||
}
|
||||
|
||||
hotkey = kmalloc(sizeof(struct acpi_hotkey), GFP_KERNEL);
|
||||
if (!hotkey) {
|
||||
if (sifr_status < 0) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "not support SQTY"));
|
||||
num_sifr = 0;
|
||||
} else {
|
||||
num_sifr = sifr_status;
|
||||
}
|
||||
|
||||
hotkey = kcalloc(1, sizeof(struct acpi_hotkey), GFP_KERNEL);
|
||||
if (hotkey == NULL) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
|
||||
return_VALUE(-ENOMEM);
|
||||
}
|
||||
|
||||
memset(hotkey, 0, sizeof(struct acpi_hotkey));
|
||||
|
||||
hotkey->device = device;
|
||||
hotkey->handle = device->handle;
|
||||
hotkey->device = device;
|
||||
hotkey->handle = device->handle;
|
||||
hotkey->num_sifr = num_sifr;
|
||||
acpi_driver_data(device) = hotkey;
|
||||
strcpy(acpi_device_name(device), ACPI_PCC_DEVICE_NAME);
|
||||
strcpy(acpi_device_name(device), ACPI_PCC_DEVICE_NAME);
|
||||
strcpy(acpi_device_class(device), ACPI_PCC_CLASS);
|
||||
|
||||
status = acpi_install_notify_handler (
|
||||
hotkey->handle,
|
||||
ACPI_DEVICE_NOTIFY,
|
||||
acpi_pcc_hotkey_notify,
|
||||
hotkey);
|
||||
status = acpi_install_notify_handler(hotkey->handle,
|
||||
ACPI_DEVICE_NOTIFY,
|
||||
acpi_pcc_hotkey_notify,
|
||||
hotkey);
|
||||
|
||||
if (ACPI_FAILURE(status)) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing notify handler\n"));
|
||||
|
|
@ -904,7 +972,7 @@ static int acpi_pcc_hotkey_add (struct acpi_device *device)
|
|||
}
|
||||
|
||||
result = acpi_pcc_init_input(hotkey);
|
||||
if (result) {
|
||||
if (result != 0) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing keyinput handler\n"));
|
||||
kfree(hotkey);
|
||||
return_VALUE(result);
|
||||
|
|
@ -913,13 +981,50 @@ static int acpi_pcc_hotkey_add (struct acpi_device *device)
|
|||
return_VALUE(acpi_pcc_proc_init(device));
|
||||
}
|
||||
|
||||
static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
|
||||
{
|
||||
acpi_status status = AE_OK;
|
||||
struct acpi_hotkey *hotkey = acpi_driver_data(device);
|
||||
|
||||
ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove");
|
||||
|
||||
if (!device || !hotkey) {
|
||||
return_VALUE(-EINVAL);
|
||||
}
|
||||
|
||||
if (hotkey->proc_dir_entry) {
|
||||
acpi_pcc_remove_device(device, acpi_pcc_proc_items_sifr, hotkey->num_sifr);
|
||||
acpi_pcc_remove_device(device, acpi_pcc_proc_items, ARRAY_SIZE(acpi_pcc_proc_items));
|
||||
remove_proc_entry(PROC_PCC, acpi_root_dir);
|
||||
}
|
||||
|
||||
status = acpi_remove_notify_handler(hotkey->handle,
|
||||
ACPI_DEVICE_NOTIFY, acpi_pcc_hotkey_notify);
|
||||
|
||||
if (ACPI_FAILURE(status)) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error removing notify handler\n"));
|
||||
}
|
||||
|
||||
acpi_pcc_remove_input(hotkey);
|
||||
if (hotkey != NULL) {
|
||||
kfree(hotkey);
|
||||
}
|
||||
return_VALUE(status == AE_OK);
|
||||
}
|
||||
|
||||
/* *********************************************************************
|
||||
Module entry point
|
||||
********************************************************************* */
|
||||
static int __init acpi_pcc_init(void)
|
||||
{
|
||||
int result = 0;
|
||||
int result;
|
||||
|
||||
ACPI_FUNCTION_TRACE("acpi_pcc_init");
|
||||
|
||||
printk(KERN_INFO LOGPREFIX "loading...\n");
|
||||
|
||||
if (acpi_disabled) {
|
||||
printk(KERN_INFO LOGPREFIX "ACPI disabled.\n");
|
||||
return_VALUE(-ENODEV);
|
||||
}
|
||||
|
||||
|
|
@ -929,46 +1034,19 @@ static int __init acpi_pcc_init(void)
|
|||
return_VALUE(-ENODEV);
|
||||
}
|
||||
|
||||
return_VALUE(0);
|
||||
}
|
||||
|
||||
module_init(acpi_pcc_init);
|
||||
|
||||
static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
|
||||
{
|
||||
acpi_status status = AE_OK;
|
||||
struct acpi_hotkey *hotkey = acpi_driver_data(device);
|
||||
|
||||
ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove");
|
||||
|
||||
if (!device || !hotkey)
|
||||
return_VALUE(-EINVAL);
|
||||
|
||||
if (hotkey->proc_dir_entry) {
|
||||
acpi_pcc_remove_device(device, pcc_proc_items_sifr, hotkey->num_sifr);
|
||||
acpi_pcc_remove_device(device, pcc_proc_items, sizeof(pcc_proc_items)/sizeof(ProcItem));
|
||||
remove_proc_entry(PROC_PCC, acpi_root_dir);
|
||||
}
|
||||
|
||||
status = acpi_remove_notify_handler(hotkey->handle,
|
||||
ACPI_DEVICE_NOTIFY, acpi_pcc_hotkey_notify);
|
||||
|
||||
if (ACPI_FAILURE(status))
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error removing notify handler\n"));
|
||||
|
||||
input_unregister_device(hotkey->input_dev);
|
||||
|
||||
kfree(hotkey);
|
||||
return_VALUE(status == AE_OK);
|
||||
return_VALUE(result);
|
||||
}
|
||||
|
||||
static void __exit acpi_pcc_exit(void)
|
||||
{
|
||||
ACPI_FUNCTION_TRACE("acpi_pcc_exit");
|
||||
|
||||
printk(KERN_INFO LOGPREFIX "unloading...\n");
|
||||
|
||||
acpi_bus_unregister_driver(&acpi_pcc_driver);
|
||||
|
||||
return_VOID;
|
||||
}
|
||||
|
||||
module_init(acpi_pcc_init);
|
||||
module_exit(acpi_pcc_exit);
|
||||
|
|
|
|||
Reference in New Issue