ASoC: wm8971: Use system_power_efficient_wq instead of custom workqueue
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>
diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c
index 39ddb9b..44baacd 100644
--- a/sound/soc/codecs/wm8971.c
+++ b/sound/soc/codecs/wm8971.c
@@ -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 @@
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 @@
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 @@
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 @@
{
wm8971_set_bias_level(codec, SND_SOC_BIAS_OFF);
- if (wm8971_workq)
- destroy_workqueue(wm8971_workq);
return 0;
}