diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2013-03-10 19:33:03 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-12 09:52:01 -0700 |
| commit | 086dcdf923815cbf61911a2eec81d7a9c2606aa9 (patch) | |
| tree | 7b1eb82d39e7344d420146eb038f962bd683668a /sound | |
| parent | 00cfbb8ad0a6419f40660362b4d8b5baa30d3efe (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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/fsl/imx-ssi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c index 3b480423747f..63e453fc6bb9 100644 --- a/sound/soc/fsl/imx-ssi.c +++ b/sound/soc/fsl/imx-ssi.c @@ -496,6 +496,8 @@ 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) @@ -504,6 +506,9 @@ 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 = { |