[alsa-devel] [PATCH] ASoC: Ensure SYSCLK is enabled for WM8958 accessory detection

[Mark Brown]

Ensure SYSCLK is enabled while running accessory detection on WM8958.
It is always required so there is no sense in requiring machine drivers
to individually do this.

Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm8994.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 2e577e6..94c0efd 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2919,6 +2919,8 @@ int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
 			cb_data = codec;
 		}
 
+		snd_soc_dapm_force_enable_pin(&codec->dapm, "CLK_SYS");
+
 		wm8994->micdet[0].jack = jack;
 		wm8994->jack_cb = cb;
 		wm8994->jack_cb_data = cb_data;
@@ -2928,6 +2930,7 @@ int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
 	} else {
 		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
 				    WM8958_MICD_ENA, 0);
+		snd_soc_dapm_disable_pin(&codec->dapm, "CLK_SYS");
 	}
 
 	return 0;
-- 
1.7.7.3