From: Gary Zhang <b13634@freescale.com>
Date: Tue, 28 Aug 2012 09:15:42 +0000 (+0800)
Subject: ENGR00221689 wm8962: add wait time after enable power supply
X-Git-Tag: v3.0.35-fsl~532
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8b1a64fdfe749314fb182877861411ac1a6cab4e;p=karo-tx-linux.git

ENGR00221689 wm8962: add wait time after enable power supply

add 100ms wait time after enable power supply for
power stability

Signed-off-by: Gary Zhang <b13634@freescale.com>
---

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 8558be580ee3..b14531157067 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -5,6 +5,7 @@
  *
  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
  *
+ * Copyright (C) 2012 Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -4019,7 +4020,7 @@ static int wm8962_probe(struct snd_soc_codec *codec)
 		dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
 		goto err_get;
 	}
-
+	msleep(100);
 	ret = snd_soc_read(codec, WM8962_SOFTWARE_RESET);
 	if (ret < 0) {
 		dev_err(codec->dev, "Failed to read ID register\n");