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ASoC: imx-ssi: Fix occasional AC97 reset failure

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commit b6e51600f4 upstream.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Weng Meiling <wengmeiling.weng@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sascha Hauer 2013-03-10 19:33:03 +01:00 committed by Greg Kroah-Hartman
parent d4d811d55f
commit d17395ac94
1 changed files with 5 additions and 0 deletions
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5
sound/soc/imx/imx-ssi.c
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@ -497,6 +497,8 @@ static void imx_ssi_ac97_reset(struct snd_ac97 *ac97)
if (imx_ssi->ac97_reset)
imx_ssi->ac97_reset(ac97);
/* First read sometimes fails, do a dummy read */
imx_ssi_ac97_read(ac97, 0);
}
static void imx_ssi_ac97_warm_reset(struct snd_ac97 *ac97)
@ -505,6 +507,9 @@ static void imx_ssi_ac97_warm_reset(struct snd_ac97 *ac97)
if (imx_ssi->ac97_warm_reset)
imx_ssi->ac97_warm_reset(ac97);
/* First read sometimes fails, do a dummy read */
imx_ssi_ac97_read(ac97, 0);
}
struct snd_ac97_bus_ops soc_ac97_ops = {