[alsa-devel] [PATCH 2/4] ASoC: wm5102: Use async writes
Mark Brown
broonie at kernel.org
Thu Dec 12 12:07:39 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/wm5102.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index a08e8bf6d07c..ce9c8e14d4bd 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -601,8 +601,8 @@ static int wm5102_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
More information about the Alsa-devel
mailing list