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authorGary Zhang <b13634@freescale.com>2012-08-28 17:15:42 +0800
committerGary Zhang <b13634@freescale.com>2012-08-28 17:22:44 +0800
commitcbcfdf5c48a38330beb42fb30a0318cc86fa5791 (patch)
tree093af577f78ef3c8ea07d76d2e0142e1aa342f12
parentb14b8d7f06de65bb2b494c0ced821be7af609f84 (diff)
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>
-rw-r--r--sound/soc/codecs/wm8962.c3
1 files changed, 2 insertions, 1 deletions
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");