[ALSA] ak4114 - Use global workqueue

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>

2 files changed, 4 insertions, 14 deletions

diff --git a/include/sound/ak4114.h b/include/sound/ak4114.h
index 2ee061625fd0..85f49d464751 100644
--- a/include/sound/ak4114.h
+++ b/include/sound/ak4114.h
@@ -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);
diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c
index d2f2c5078e65..69dcaf8ac793 100644
--- a/sound/i2c/other/ak4114.c
+++ b/sound/i2c/other/ak4114.c
@@ -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);