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[ALSA] nm256 - Code clean up 

Modules: NM256 driver

Clean up snd-nm256 driver code:

- Simplify chip constructor function

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-11-17 11:12:06 +01:00 committed by Jaroslav Kysela
parent 8d88bc3d36
commit 3f05f868f1
1 changed files with 9 additions and 21 deletions
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30
sound/pci/nm256/nm256.c
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@ -1375,10 +1375,6 @@ static int snd_nm256_dev_free(snd_device_t *device)
static int __devinit
snd_nm256_create(snd_card_t *card, struct pci_dev *pci,
int play_bufsize, int capt_bufsize,
int force_load,
u32 buffertop,
int usecache,
nm256_t **chip_ret)
{
nm256_t *chip;
@ -1401,13 +1397,14 @@ snd_nm256_create(snd_card_t *card, struct pci_dev *pci,
chip->card = card;
chip->pci = pci;
chip->use_cache = usecache;
chip->use_cache = use_cache;
spin_lock_init(&chip->reg_lock);
chip->irq = -1;
init_MUTEX(&chip->irq_mutex);
chip->streams[SNDRV_PCM_STREAM_PLAYBACK].bufsize = play_bufsize;
chip->streams[SNDRV_PCM_STREAM_CAPTURE].bufsize = capt_bufsize;
/* store buffer sizes in bytes */
chip->streams[SNDRV_PCM_STREAM_PLAYBACK].bufsize = playback_bufsize * 1024;
chip->streams[SNDRV_PCM_STREAM_CAPTURE].bufsize = capture_bufsize * 1024;
/*
* The NM256 has two memory ports. The first port is nothing
@ -1440,7 +1437,7 @@ snd_nm256_create(snd_card_t *card, struct pci_dev *pci,
/* Ok, try to see if this is a non-AC97 version of the hardware. */
pval = snd_nm256_readw(chip, NM_MIXER_PRESENCE);
if ((pval & NM_PRESENCE_MASK) != NM_PRESENCE_VALUE) {
if (! force_load) {
if (! force_ac97) {
printk(KERN_ERR "nm256: no ac97 is found!\n");
printk(KERN_ERR " force the driver to load by passing in the module parameter\n");
printk(KERN_ERR " force_ac97=1\n");
@ -1471,8 +1468,8 @@ snd_nm256_create(snd_card_t *card, struct pci_dev *pci,
else
chip->buffer_size += NM_MAX_PLAYBACK_COEF_SIZE + NM_MAX_RECORD_COEF_SIZE;
if (buffertop >= chip->buffer_size && buffertop < chip->buffer_end)
chip->buffer_end = buffertop;
if (buffer_top >= chip->buffer_size && buffer_top < chip->buffer_end)
chip->buffer_end = buffer_top;
else {
/* get buffer end pointer from signature */
if ((err = snd_nm256_peek_for_sig(chip)) < 0)
@ -1567,7 +1564,6 @@ static int __devinit snd_nm256_probe(struct pci_dev *pci,
snd_card_t *card;
nm256_t *chip;
int err;
unsigned int xbuffer_top;
struct nm256_quirk *q;
u16 subsystem_vendor, subsystem_device;
@ -1611,9 +1607,7 @@ static int __devinit snd_nm256_probe(struct pci_dev *pci,
}
if (vaio_hack)
xbuffer_top = 0x25a800; /* this avoids conflicts with XFree86 server */
else
xbuffer_top = buffer_top;
buffer_top = 0x25a800; /* this avoids conflicts with XFree86 server */
if (playback_bufsize < 4)
playback_bufsize = 4;
@ -1623,13 +1617,7 @@ static int __devinit snd_nm256_probe(struct pci_dev *pci,
capture_bufsize = 4;
if (capture_bufsize > 128)
capture_bufsize = 128;
if ((err = snd_nm256_create(card, pci,
playback_bufsize * 1024, /* in bytes */
capture_bufsize * 1024, /* in bytes */
force_ac97,
xbuffer_top,
use_cache,
&chip)) < 0) {
if ((err = snd_nm256_create(card, pci, &chip)) < 0) {
snd_card_free(card);
return err;
}