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>

diff --git a/sound/soc/codecs/wm8997.c b/sound/soc/codecs/wm8997.c
index 1392bb3..555115e 100644 (file)
--- 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;