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authorTakashi Iwai <tiwai@suse.de>2021-05-23 11:09:19 +0200
committerTakashi Iwai <tiwai@suse.de>2021-05-25 08:49:39 +0200
commitb6cc78da367cf9aac7ae77bbea73ecca43a70461 (patch)
tree298decf4b36d05bf0c2e10757380fe17d6cbbc72
parentALSA: control: Minor optimization for SNDRV_CTL_IOCTL_POWER_STATE (diff)
downloadlinux-b6cc78da367cf9aac7ae77bbea73ecca43a70461.tar.xz
linux-b6cc78da367cf9aac7ae77bbea73ecca43a70461.zip
ALSA: Drop superfluous argument from snd_power_wait()
The power_state argument of snd_power_wait() is superfluous, receiving only SNDRV_POWER_STATE_D0. Let's drop it in all callers for simplicity. Reviewed-by: Jaroslav Kysela <perex@perex.cz> Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20210523090920.15345-6-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--include/sound/core.h4
-rw-r--r--sound/core/init.c6
-rw-r--r--sound/core/pcm_native.c2
-rw-r--r--sound/soc/soc-core.c2
-rw-r--r--sound/usb/usx2y/us122l.c2
5 files changed, 6 insertions, 10 deletions
diff --git a/include/sound/core.h b/include/sound/core.h
index 3acb754108b1..c4ade121727d 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -189,12 +189,12 @@ static inline void snd_power_sync_ref(struct snd_card *card)
}
/* init.c */
-int snd_power_wait(struct snd_card *card, unsigned int power_state);
+int snd_power_wait(struct snd_card *card);
int snd_power_ref_and_wait(struct snd_card *card);
#else /* ! CONFIG_PM */
-static inline int snd_power_wait(struct snd_card *card, unsigned int state) { return 0; }
+static inline int snd_power_wait(struct snd_card *card) { return 0; }
static inline void snd_power_ref(struct snd_card *card) {}
static inline void snd_power_unref(struct snd_card *card) {}
static inline int snd_power_ref_and_wait(struct snd_card *card) { return 0; }
diff --git a/sound/core/init.c b/sound/core/init.c
index 2c62e035bc62..70114fd26956 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -1050,19 +1050,15 @@ EXPORT_SYMBOL_GPL(snd_power_ref_and_wait);
/**
* snd_power_wait - wait until the card gets powered up (old form)
* @card: soundcard structure
- * @power_state: expected power state
*
* Wait until the card gets powered up to SNDRV_CTL_POWER_D0 state.
- * @power_state must be SNDRV_CTL_POWER_D0.
*
* Return: Zero if successful, or a negative error code.
*/
-int snd_power_wait(struct snd_card *card, unsigned int power_state)
+int snd_power_wait(struct snd_card *card)
{
int ret;
- if (WARN_ON(power_state != SNDRV_CTL_POWER_D0))
- return 0;
ret = snd_power_ref_and_wait(card);
snd_power_unref(card);
return ret;
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 8dbe86cf2e4f..82f80d0c068b 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3193,7 +3193,7 @@ static int snd_pcm_common_ioctl(struct file *file,
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
- res = snd_power_wait(substream->pcm->card, SNDRV_CTL_POWER_D0);
+ res = snd_power_wait(substream->pcm->card);
if (res < 0)
return res;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 1c0904acb935..ddc65c12f6f4 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -580,7 +580,7 @@ int snd_soc_suspend(struct device *dev)
* Due to the resume being scheduled into a workqueue we could
* suspend before that's finished - wait for it to complete.
*/
- snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0);
+ snd_power_wait(card->snd_card);
/* we're going to block userspace touching us until resume completes */
snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot);
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c
index 6e1bfe894dd5..596a1a1fea49 100644
--- a/sound/usb/usx2y/us122l.c
+++ b/sound/usb/usx2y/us122l.c
@@ -379,7 +379,7 @@ static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
if (cfg.period_frames < min_period_frames)
return -EINVAL;
- snd_power_wait(hw->card, SNDRV_CTL_POWER_D0);
+ snd_power_wait(hw->card);
mutex_lock(&us122l->mutex);
s = us122l->sk.s;