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

1 files changed, 3 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index eaf65863ec21..aa9ce9dd7d8a 100644
--- 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: