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Staging: add Synaptics RMI4 touchpad driver support 

Added the Synaptics RMI4 touchpad driver support.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Naveen Kumar Gaddipati <naveen.gaddipati@stericsson.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Christopher Heiny <cheiny@synaptics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Naveen Kumar Gaddipati 2010-11-02 17:38:45 +05:30 committed by Greg Kroah-Hartman
parent 78fd115e21
commit eba499d3e3
7 changed files with 1252 additions and 0 deletions
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2
drivers/staging/Kconfig
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@ -177,5 +177,7 @@ source "drivers/staging/speakup/Kconfig"
source "drivers/staging/cptm1217/Kconfig"
source "drivers/staging/ste_rmi4/Kconfig"
endif # !STAGING_EXCLUDE_BUILD
endif # STAGING

1
drivers/staging/Makefile
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@ -69,3 +69,4 @@ obj-$(CONFIG_FT1000) += ft1000/
obj-$(CONFIG_SND_INTEL_SST) += intel_sst/
obj-$(CONFIG_SPEAKUP) += speakup/
obj-$(CONFIG_TOUCHSCREEN_CLEARPAD_TM1217) += cptm1217/
obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4) += ste_rmi4/

9
drivers/staging/ste_rmi4/Kconfig Normal file
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@ -0,0 +1,9 @@
config TOUCHSCREEN_SYNAPTICS_I2C_RMI4
tristate "Synaptics i2c rmi4 touchscreen"
depends on I2C
help
Say Y here if you have a Synaptics RMI4 and
want to enable support for the built-in touchscreen.
To compile this driver as a module, choose M here: the
module will be called synaptics_rmi4_ts.

4
drivers/staging/ste_rmi4/Makefile Normal file
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@ -0,0 +1,4 @@
#
# Makefile for the RMI4 touchscreen driver.
#
obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4) += synaptics_i2c_rmi4.o

7
drivers/staging/ste_rmi4/TODO Normal file
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@ -0,0 +1,7 @@
TODO
----
Wait for the official upstream synaptics rmi4 clearpad drivers as promised over the past few months
Merge any device support needed from this driver into it
Delete this driver

1179
drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c Normal file
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File diff suppressed because it is too large Load Diff

50
drivers/staging/ste_rmi4/synaptics_i2c_rmi4.h Normal file
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@ -0,0 +1,50 @@
/**
*
* Synaptics Register Mapped Interface (RMI4) I2C Physical Layer Driver.
* Copyright (c) 2007-2010, Synaptics Incorporated
*
* Author: Js HA <js.ha@stericsson.com> for ST-Ericsson
* Author: Naveen Kumar G <naveen.gaddipati@stericsson.com> for ST-Ericsson
* Copyright 2010 (c) ST-Ericsson AB
*/
/*
* This file is licensed under the GPL2 license.
*
*#############################################################################
* GPL
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
*#############################################################################
*/
#ifndef _SYNAPTICS_RMI4_H_INCLUDED_
#define _SYNAPTICS_RMI4_H_INCLUDED_
/**
* struct synaptics_rmi4_platform_data - contains the rmi4 platform data
* @irq_number: irq number
* @irq_type: irq type
* @x flip: x flip flag
* @y flip: y flip flag
* @regulator_en: regulator enable flag
*
* This structure gives platform data for rmi4.
*/
struct synaptics_rmi4_platform_data {
const char *name;
int irq_number;
int irq_type;
bool x_flip;
bool y_flip;
bool regulator_en;
};
#endif