[alsa-devel] [PATCH 3/4] ASoC: wm5110: Use async writes
Mark Brown
broonie at kernel.org
Thu Dec 12 12:07:40 CET 2013
From: Mark Brown <broonie at linaro.org>
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 at linaro.org>
---
sound/soc/codecs/wm5110.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c
index 9eb8517470a3..a8f779f56df3 100644
--- a/sound/soc/codecs/wm5110.c
+++ b/sound/soc/codecs/wm5110.c
@@ -105,8 +105,8 @@ static int wm5110_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,
- patch[i].def);
+ regmap_write_async(regmap, patch[i].reg,
+ patch[i].def);
break;
default:
--
1.8.5.1
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