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[ALSA] ak4114 - Use global workqueue

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Use global workqueue for simplicity instead of own workqueue.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2006-12-19 17:13:16 +01:00 committed by Jaroslav Kysela
parent e250af291d
commit 4014c38bd9
2 changed files with 4 additions and 14 deletions
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1
include/sound/ak4114.h
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@ -181,7 +181,6 @@ struct ak4114 {
unsigned long ccrc_errors;
unsigned char rcs0;
unsigned char rcs1;
struct workqueue_struct *workqueue;
struct delayed_work work;
void *change_callback_private;
void (*change_callback)(struct ak4114 *ak4114, unsigned char c0, unsigned char c1);

17
sound/i2c/other/ak4114.c
View file

@ -66,10 +66,7 @@ static void snd_ak4114_free(struct ak4114 *chip)
{
chip->init = 1; /* don't schedule new work */
mb();
if (chip->workqueue != NULL) {
flush_workqueue(chip->workqueue);
destroy_workqueue(chip->workqueue);
}
flush_scheduled_work();
kfree(chip);
}
@ -106,12 +103,6 @@ int snd_ak4114_create(struct snd_card *card,
for (reg = 0; reg < 5; reg++)
chip->txcsb[reg] = txcsb[reg];
chip->workqueue = create_workqueue("snd-ak4114");
if (chip->workqueue == NULL) {
kfree(chip);
return -ENOMEM;
}
snd_ak4114_reinit(chip);
chip->rcs0 = reg_read(chip, AK4114_REG_RCS0) & ~(AK4114_QINT | AK4114_CINT);
@ -143,7 +134,7 @@ void snd_ak4114_reinit(struct ak4114 *chip)
chip->init = 1;
mb();
flush_workqueue(chip->workqueue);
flush_scheduled_work();
/* bring the chip to reset state and powerdown state */
reg_write(chip, AK4114_REG_PWRDN, old & ~(AK4114_RST|AK4114_PWN));
udelay(200);
@ -159,7 +150,7 @@ void snd_ak4114_reinit(struct ak4114 *chip)
/* bring up statistics / event queing */
chip->init = 0;
INIT_DELAYED_WORK(&chip->work, ak4114_stats);
queue_delayed_work(chip->workqueue, &chip->work, HZ / 10);
schedule_delayed_work(&chip->work, HZ / 10);
}
static unsigned int external_rate(unsigned char rcs1)
@ -568,7 +559,7 @@ static void ak4114_stats(struct work_struct *work)
if (chip->init)
return;
snd_ak4114_check_rate_and_errors(chip, 0);
queue_delayed_work(chip->workqueue, &chip->work, HZ / 10);
schedule_delayed_work(&chip->work, HZ / 10);
}
EXPORT_SYMBOL(snd_ak4114_create);