From: Mark Brown broonie@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@linaro.org --- sound/soc/codecs/wm8997.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/wm8997.c b/sound/soc/codecs/wm8997.c index 1392bb3c9254..555115ee2159 100644 --- a/sound/soc/codecs/wm8997.c +++ b/sound/soc/codecs/wm8997.c @@ -103,8 +103,8 @@ 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, - patch[i].def); + regmap_write_async(regmap, patch[i].reg, + patch[i].def); break; default: break;