ALSA: cs5535audio: rename V_REFOUT control to MIC Bias

This drops the AD1888 V_REFOUT control, and replaces it with a MIC Bias
Enable control.  It also moves the MIC bias enabling into a separate
function.

Signed-off-by: Andres Salomon <dilinger@debian.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/sound/pci/cs5535audio/cs5535audio.h b/sound/pci/cs5535audio/cs5535audio.h
index 22737fc9ed03..63190cd723c6 100644
--- a/sound/pci/cs5535audio/cs5535audio.h
+++ b/sound/pci/cs5535audio/cs5535audio.h
@@ -104,6 +104,19 @@ void __devinit olpc_prequirks(struct snd_card *card,
                 struct snd_ac97_template *ac97);
 int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97);
 void olpc_analog_input(struct snd_ac97 *ac97, int on);
+void olpc_mic_bias(struct snd_ac97 *ac97, int on);
+
+static inline void olpc_capture_open(struct snd_ac97 *ac97)
+{
+        /* enable MIC Bias for recording */
+        olpc_mic_bias(ac97, 1);
+}
+
+static inline void olpc_capture_close(struct snd_ac97 *ac97)
+{
+        /* disable the MIC Bias (so the recording LED turns off) */
+        olpc_mic_bias(ac97, 0);
+}
 #else
 static inline void olpc_prequirks(struct snd_card *card,
                 struct snd_ac97_template *ac97) { }
@@ -112,6 +125,9 @@ static inline int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97)
         return 0;
 }
 static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { }
+static inline void olpc_mic_bias(struct snd_ac97 *ac97, int on) { }
+static inline void olpc_capture_open(struct snd_ac97 *ac97) { }
+static inline void olpc_capture_close(struct snd_ac97 *ac97) { }
 #endif
 
 int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);