diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2013-03-10 19:33:03 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2013-04-10 03:19:54 +0100 |
| commit | 0f260fd5c5b7f44f522b96dfb77b67c8bda5bfbc (patch) | |
| tree | 9093c6c35d970bd9c802376ba2d9582474d36bac /sound | |
| parent | 7161ab99e363e18e7a6e5abd6f01496f32fa033f (diff) | |
ASoC: imx-ssi: Fix occasional AC97 reset failure
commit b6e51600f4e983e757b1b6942becaa1ae7d82e67 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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/imx/imx-ssi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c index 971eaf0e6f8c..4969c98e9f41 100644 --- a/sound/soc/imx/imx-ssi.c +++ b/sound/soc/imx/imx-ssi.c @@ -573,6 +573,8 @@ 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) @@ -581,6 +583,9 @@ 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 = { |