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[ALSA] pcsp: improve "enable" option handling

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Simplify init code.

Signed-off-by: Stas Sergeev <stsp@aknet.ru>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Stas Sergeev 2008-03-06 11:01:16 +01:00 committed by Takashi Iwai
parent 8280823668
commit 52337310af
1 changed files with 11 additions and 11 deletions
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22
sound/drivers/pcsp/pcsp.c
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@ -31,7 +31,7 @@ MODULE_PARM_DESC(index, "Index value for pcsp soundcard.");
module_param(id, charp, 0444);
MODULE_PARM_DESC(id, "ID string for pcsp soundcard.");
module_param(enable, bool, 0444);
MODULE_PARM_DESC(enable, "dummy");
MODULE_PARM_DESC(enable, "Enable PC-Speaker sound.");
struct snd_pcsp pcsp_chip;
@ -136,7 +136,13 @@ static int __devinit snd_card_pcsp_probe(int devnum, struct device *dev)
static int __devinit alsa_card_pcsp_init(struct device *dev)
{
int devnum = 0, cards = 0;
int err;
err = snd_card_pcsp_probe(0, dev);
if (err) {
printk(KERN_ERR "PC-Speaker initialization failed.\n");
return err;
}
#ifdef CONFIG_DEBUG_PAGEALLOC
/* Well, CONFIG_DEBUG_PAGEALLOC makes the sound horrible. Lets alert */
@ -148,15 +154,6 @@ static int __devinit alsa_card_pcsp_init(struct device *dev)
"and crackling noise.\n");
#endif
if (enable) {
if (snd_card_pcsp_probe(devnum, dev) >= 0)
cards++;
if (!cards) {
printk(KERN_ERR "PC-Speaker initialization failed.\n");
return -ENODEV;
}
}
return 0;
}
@ -168,6 +165,7 @@ static void __devexit alsa_card_pcsp_exit(struct snd_pcsp *chip)
static int __devinit pcsp_probe(struct platform_device *dev)
{
int err;
err = pcspkr_input_init(&pcsp_chip.input_dev, &dev->dev);
if (err < 0)
return err;
@ -227,6 +225,8 @@ static struct platform_driver pcsp_platform_driver = {
static int __init pcsp_init(void)
{
if (!enable)
return -ENODEV;
return platform_driver_register(&pcsp_platform_driver);
}