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[ALSA] Remove delayed work properly at free and suspend 

Remove delayed work properly at free and suspend in ac97 codec and
ak4114 drivers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2007-01-31 14:34:38 +01:00 committed by Jaroslav Kysela
parent 965ac42ce9
commit 3b6baa5a0b
2 changed files with 7 additions and 1 deletions
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3
sound/i2c/other/ak4114.c
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@ -66,6 +66,7 @@ static void snd_ak4114_free(struct ak4114 *chip)
{
chip->init = 1; /* don't schedule new work */
mb();
cancel_delayed_work(&chip->work);
flush_scheduled_work();
kfree(chip);
}
@ -97,6 +98,7 @@ int snd_ak4114_create(struct snd_card *card,
chip->read = read;
chip->write = write;
chip->private_data = private_data;
INIT_DELAYED_WORK(&chip->work, ak4114_stats);
for (reg = 0; reg < 7; reg++)
chip->regmap[reg] = pgm[reg];
@ -149,7 +151,6 @@ void snd_ak4114_reinit(struct ak4114 *chip)
reg_write(chip, AK4114_REG_PWRDN, old | AK4114_RST | AK4114_PWN);
/* bring up statistics / event queing */
chip->init = 0;
INIT_DELAYED_WORK(&chip->work, ak4114_stats);
schedule_delayed_work(&chip->work, HZ / 10);
}

5
sound/pci/ac97/ac97_codec.c
View File

@ -990,6 +990,7 @@ static int snd_ac97_free(struct snd_ac97 *ac97)
if (ac97) {
#ifdef CONFIG_SND_AC97_POWER_SAVE
cancel_delayed_work(&ac97->power_work);
flush_scheduled_work();
#endif
snd_ac97_proc_done(ac97);
if (ac97->bus)
@ -2415,6 +2416,10 @@ void snd_ac97_suspend(struct snd_ac97 *ac97)
return;
if (ac97->build_ops->suspend)
ac97->build_ops->suspend(ac97);
#ifdef CONFIG_SND_AC97_POWER_SAVE
cancel_delayed_work(&ac97->power_work);
flush_scheduled_work();
#endif
snd_ac97_powerdown(ac97);
}