[alsa-devel] [PATCH 4/6] ASoC: Ensure we reconfigure WM8958 microphone detection on rate changes

[Mark Brown]

We don't need to rerun DAPM if the clock source is the same but we do
need to adjust the microphone detection rate in case we are moving from
an audio to a non-audio rate.

Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm8994.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 5c042de..72282da 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -208,10 +208,8 @@ static int configure_clock(struct snd_soc_codec *codec)
 
 	change = snd_soc_update_bits(codec, WM8994_CLOCKING_1,
 				     WM8994_SYSCLK_SRC, new);
-	if (!change)
-		return 0;
-
-	snd_soc_dapm_sync(&codec->dapm);
+	if (change)
+		snd_soc_dapm_sync(&codec->dapm);
 
 	wm8958_micd_set_rate(codec);
 
-- 
1.7.7.3