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ASoC: wm8971: Use system_power_efficient_wq instead of custom workqueue

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The delayed work used by the wm8971 driver to manage the caps charging
doesn't have any special requirements that would justify using a custom
workqueue, just use the generic system_power_efficient_wq instead.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2015-03-30 21:04:45 +02:00 committed by Mark Brown
parent c517d838eb
commit ab87ce1d9b
1 changed files with 4 additions and 9 deletions
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13
sound/soc/codecs/wm8971.c
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@ -31,8 +31,6 @@
#define WM8971_REG_COUNT 43
static struct workqueue_struct *wm8971_workq = NULL;
/* codec private data */
struct wm8971_priv {
unsigned int sysclk;
@ -636,7 +634,8 @@ static int wm8971_resume(struct snd_soc_codec *codec)
reg = snd_soc_read(codec, WM8971_PWR1) & 0xfe3e;
snd_soc_write(codec, WM8971_PWR1, reg | 0x01c0);
codec->dapm.bias_level = SND_SOC_BIAS_ON;
queue_delayed_work(wm8971_workq, &codec->dapm.delayed_work,
queue_delayed_work(system_power_efficient_wq,
&codec->dapm.delayed_work,
msecs_to_jiffies(1000));
}
@ -649,9 +648,6 @@ static int wm8971_probe(struct snd_soc_codec *codec)
u16 reg;
INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8971_work);
wm8971_workq = create_workqueue("wm8971");
if (wm8971_workq == NULL)
return -ENOMEM;
wm8971_reset(codec);
@ -659,7 +655,8 @@ static int wm8971_probe(struct snd_soc_codec *codec)
reg = snd_soc_read(codec, WM8971_PWR1) & 0xfe3e;
snd_soc_write(codec, WM8971_PWR1, reg | 0x01c0);
codec->dapm.bias_level = SND_SOC_BIAS_STANDBY;
queue_delayed_work(wm8971_workq, &codec->dapm.delayed_work,
queue_delayed_work(system_power_efficient_wq,
&codec->dapm.delayed_work,
msecs_to_jiffies(1000));
/* set the update bits */
@ -681,8 +678,6 @@ static int wm8971_remove(struct snd_soc_codec *codec)
{
wm8971_set_bias_level(codec, SND_SOC_BIAS_OFF);
if (wm8971_workq)
destroy_workqueue(wm8971_workq);
return 0;
}