recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.27/0052-ASoC-wm8962-Allow-VMID-time-to-fully-ramp.patch

   1 From 83c2f7e55e6b8ecd96bf3222c8176824c643d562 Mon Sep 17 00:00:00 2001
   2 From: Mark Brown <broonie@opensource.wolfsonmicro.com>
   3 Date: Mon, 30 Jul 2012 18:24:19 +0100
   4 Subject: [PATCH 52/70] ASoC: wm8962: Allow VMID time to fully ramp
   5
   6 commit 9d40e5582c9c4cfb6977ba2a0ca9c2ed82c56f21 upstream.
   7
   8 Required for reliable power up from cold.
   9
  10 Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
  11 Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
  12 ---
  13  sound/soc/codecs/wm8962.c |    3 +++
  14  1 files changed, 3 insertions(+), 0 deletions(-)
  15
  16 diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
  17 index 07dd7eb..e97df24 100644
  18 --- a/sound/soc/codecs/wm8962.c
  19 +++ b/sound/soc/codecs/wm8962.c
  20 @@ -3105,6 +3105,9 @@ static int wm8962_set_bias_level(struct snd_soc_codec *codec,
  21                 /* VMID 2*250k */
  22                 snd_soc_update_bits(codec, WM8962_PWR_MGMT_1,
  23                                     WM8962_VMID_SEL_MASK, 0x100);
  24 +
  25 +               if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
  26 +                       msleep(100);
  27                 break;
  28
  29         case SND_SOC_BIAS_OFF:
  30 --
  31 1.7.7.6
  32