[alsa-devel] [PATCH 4/4] ASoC: sdp4430: Configure McPDM offset cancellation

[Peter Ujfalusi]

Based on the values from twl6040 codec (HSOTRIM L/R) we can configure
the McPDM offset cancellation.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
---
 sound/soc/omap/sdp4430.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/sound/soc/omap/sdp4430.c b/sound/soc/omap/sdp4430.c
index 060066b..79ec76d 100644
--- a/sound/soc/omap/sdp4430.c
+++ b/sound/soc/omap/sdp4430.c
@@ -121,7 +121,7 @@ static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_codec *codec = rtd->codec;
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
-	int ret;
+	int ret, hs_trim;
 
 	/* Add SDP4430 specific widgets */
 	ret = snd_soc_dapm_new_controls(dapm, sdp4430_twl6040_dapm_widgets,
@@ -144,6 +144,14 @@ static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd)
 	if (ret)
 		return ret;
 
+	/*
+	 * Configure McPDM offset cancellation based on the HSOTRIM value from
+	 * twl6040.
+	 */
+	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
+	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
+					TWL6040_HSF_TRIM_RIGHT(hs_trim));
+
 	/* Headset jack detection */
 	ret = snd_soc_jack_new(codec, "Headset Jack",
 				SND_JACK_HEADSET, &hs_jack);
-- 
1.7.6.1