diff options
| author | Zidan Wang <zidan.wang@freescale.com> | 2015-12-24 11:42:11 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-01-05 13:19:11 +0000 |
| commit | d44c6114da8c9e83407397d06b5cd909a1cc9135 (patch) | |
| tree | 9f0f54fafe6d2293860a1f771be5460a8e8ca0a7 /sound/soc/fsl/fsl_asrc.c | |
| parent | 25e5ef974c33f1e4a07a68bf830e6493ee6dab11 (diff) | |
ASoC: fsl_asrc: sound is wrong after suspend/resume
The register ASRCFG is volatile, but some bits need to be recovered
after suspend/resume.
Signed-off-by: Zidan Wang <zidan.wang@freescale.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/fsl/fsl_asrc.c')
| -rw-r--r-- | sound/soc/fsl/fsl_asrc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 7b811485a8e5..73fd2c683b78 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -996,6 +996,9 @@ static int fsl_asrc_suspend(struct device *dev) { struct fsl_asrc *asrc_priv = dev_get_drvdata(dev); + regmap_read(asrc_priv->regmap, REG_ASRCFG, + &asrc_priv->regcache_cfg); + regcache_cache_only(asrc_priv->regmap, true); regcache_mark_dirty(asrc_priv->regmap); @@ -1016,6 +1019,10 @@ static int fsl_asrc_resume(struct device *dev) regcache_cache_only(asrc_priv->regmap, false); regcache_sync(asrc_priv->regmap); + regmap_update_bits(asrc_priv->regmap, REG_ASRCFG, + ASRCFG_NDPRi_ALL_MASK | ASRCFG_POSTMODi_ALL_MASK | + ASRCFG_PREMODi_ALL_MASK, asrc_priv->regcache_cfg); + /* Restart enabled pairs */ regmap_update_bits(asrc_priv->regmap, REG_ASRCTR, ASRCTR_ASRCEi_ALL_MASK, asrctr); |