[alsa-devel] [PATCH 3/4] ASoC: mid-x86: Add support for capture in machine driver

Harsha Priya priya.harsha at intel.com
Wed Jan 19 13:47:01 CET 2011


From: Vinod Koul <vinod.koul at intel.com>

This configures the capture unused pins and sets
the DMIC cfg by default (also done by user)

Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
 sound/soc/mid-x86/mfld_machine.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/sound/soc/mid-x86/mfld_machine.c b/sound/soc/mid-x86/mfld_machine.c
index 1a330be..1cd49a2 100644
--- a/sound/soc/mid-x86/mfld_machine.c
+++ b/sound/soc/mid-x86/mfld_machine.c
@@ -182,6 +182,13 @@ static int mfld_init(struct snd_soc_pcm_runtime *runtime)
 	snd_soc_dapm_disable_pin(dapm, "LINEOUTR");
 	lo_dac = 3;
 	hs_switch = 0;
+	/* we dont use linein in this so set to NC */
+	snd_soc_dapm_disable_pin(dapm, "LINEINL");
+	snd_soc_dapm_disable_pin(dapm, "LINEINR");
+	/* we are using DMICs here so configure how the clock and out pin is set */
+	snd_soc_write(codec, SN95031_DMICBUF0123, 0x85);
+	snd_soc_write(codec, SN95031_DMICBUF45, 0x02);
+	snd_soc_update_bits(codec, SN95031_DMICMUX, 0x7, 0x07);
 	return snd_soc_dapm_sync(dapm);
 }
 
-- 
1.7.2.3



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