[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>

2 files changed, 7 insertions, 1 deletions

diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c
index 34bbafc81cf..d2b17c83fd3 100644
--- a/sound/i2c/other/ak4114.c
+++ b/sound/i2c/other/ak4114.c
@@ -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);
 }
 
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 8b7853c14b5..74ed8108147 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -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);
 }