---

yaml --- r: 284085 b: refs/heads/master c: e48b46b h: refs/heads/master i: 284083: adabc89 v: v3
git-mirror · Jan 11, 2012 · 2aa1a22 · 2aa1a22
1 parent 18ae2e5
commit 2aa1a22
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Showing 3 changed files with 25 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f75a8ff67d161b5166a2c2360bb2ffaefd5eb853
+refs/heads/master: e48b46ba169181dc88ea48e31dcb4afcf8778397
diff --git a/trunk/sound/soc/codecs/twl6040.c b/trunk/sound/soc/codecs/twl6040.c
@@ -33,6 +33,7 @@
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
+#include <sound/soc-dapm.h>
 #include <sound/initval.h>
 #include <sound/tlv.h>
 
@@ -1012,6 +1013,28 @@ static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 
+int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
+{
+	struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+	if (snd_soc_dapm_get_pin_status(dapm, "EP"))
+		return -1; /* -1dB */
+
+	if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
+		snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
+
+		u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
+		if (val & TWL6040_HSDACMODE)
+			/* HSDACL in LP mode */
+			return -8; /* -8dB */
+		else
+			/* HSDACL in HP mode */
+			return -1; /* -1dB */
+	}
+	return 0; /* 0dB */
+}
+EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
+
 int twl6040_get_clk_id(struct snd_soc_codec *codec)
 {
 	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);

diff --git a/trunk/sound/soc/codecs/twl6040.h b/trunk/sound/soc/codecs/twl6040.h
@@ -34,6 +34,7 @@ enum twl6040_trim {
 #define TWL6040_HSF_TRIM_LEFT(x)	(x & 0x0f)
 #define TWL6040_HSF_TRIM_RIGHT(x)	((x >> 4) & 0x0f)
 
+int twl6040_get_dl1_gain(struct snd_soc_codec *codec);
 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
 			    struct snd_soc_jack *jack, int report);
 int twl6040_get_clk_id(struct snd_soc_codec *codec);