ASoC: wm8997: Use async writes

When writing the patch write to the device asynchronously, allowing better
performance when used with a bus like SPI which supports this by
minimising the need to context switch back to the driver to get the
next bit of data.

Signed-off-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2013-12-12 00:50:04 +00:00
parent 959e4083cd
commit 1f4fe272f0

View File

@ -103,7 +103,7 @@ static int wm8997_sysclk_ev(struct snd_soc_dapm_widget *w,
case SND_SOC_DAPM_POST_PMU:
if (patch)
for (i = 0; i < patch_size; i++)
regmap_write(regmap, patch[i].reg,
regmap_write_async(regmap, patch[i].reg,
patch[i].def);
break;
default: