---

yaml --- r: 283824 b: refs/heads/master c: 500fa30 h: refs/heads/master v: v3
git-mirror · Nov 29, 2011 · 84f31b8 · 84f31b8
1 parent f2d266a
commit 84f31b8
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Showing 2 changed files with 40 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9b8f5695a155308a4e0355a29747961bec9757c0
+refs/heads/master: 500fa30ed5795a1d8e8539d0cd81f73b34f831a3
diff --git a/trunk/sound/soc/codecs/wm8994.c b/trunk/sound/soc/codecs/wm8994.c
@@ -2025,6 +2025,18 @@ static int wm8994_set_bias_level(struct snd_soc_codec *codec,
 		break;
 
 	case SND_SOC_BIAS_PREPARE:
+		/* MICBIAS into regulating mode */
+		switch (control->type) {
+		case WM8958:
+		case WM1811:
+			snd_soc_update_bits(codec, WM8958_MICBIAS1,
+					    WM8958_MICB1_MODE, 0);
+			snd_soc_update_bits(codec, WM8958_MICBIAS2,
+					    WM8958_MICB2_MODE, 0);
+			break;
+		default:
+			break;
+		}
 		break;
 
 	case SND_SOC_BIAS_STANDBY:
@@ -2077,7 +2089,20 @@ static int wm8994_set_bias_level(struct snd_soc_codec *codec,
 					    WM8994_LINEOUT2_DISCH);
 		}
 
-
+		/* MICBIAS into bypass mode on newer devices */
+		switch (control->type) {
+		case WM8958:
+		case WM1811:
+			snd_soc_update_bits(codec, WM8958_MICBIAS1,
+					    WM8958_MICB1_MODE,
+					    WM8958_MICB1_MODE);
+			snd_soc_update_bits(codec, WM8958_MICBIAS2,
+					    WM8958_MICB2_MODE,
+					    WM8958_MICB2_MODE);
+			break;
+		default:
+			break;
+		}
 		break;
 
 	case SND_SOC_BIAS_OFF:
@@ -3371,6 +3396,19 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
 		break;
 	}
 
+	/* Put MICBIAS into bypass mode by default on newer devices */
+	switch (control->type) {
+	case WM8958:
+	case WM1811:
+		snd_soc_update_bits(codec, WM8958_MICBIAS1,
+				    WM8958_MICB1_MODE, WM8958_MICB1_MODE);
+		snd_soc_update_bits(codec, WM8958_MICBIAS2,
+				    WM8958_MICB2_MODE, WM8958_MICB2_MODE);
+		break;
+	default:
+		break;
+	}
+
 	wm8994_update_class_w(codec);
 
 	wm8994_handle_pdata(wm8994);