ASoC: wm8962: Allow VMID time to fully ramp

Required for reliable power up from cold. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@vger.kernel.org
git-mirror · Jul 31, 2012 · 9d40e55 · 9d40e55
1 parent d0e3cce
commit 9d40e55
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
@@ -2501,6 +2501,9 @@ 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: