ASoC: wm8962: Allow VMID time to fully ramp

commit 9d40e55 upstream. Required for reliable power up from cold. Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
cm12-amami · Aug 9, 2012 · 9966af8 · 9966af8
1 parent 7dcb3c5
commit 9966af8
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
@@ -2488,6 +2488,9 @@ static int wm8962_set_bias_level(struct snd_soc_codec *codec,
 		/* VMID 2*250k */
 		snd_soc_update_bits(codec, WM8962_PWR_MGMT_1,
 				    WM8962_VMID_SEL_MASK, 0x100);
+
+		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
+			msleep(100);
 		break;
 
 	case SND_SOC_BIAS_OFF: