The register ASRCFG is volatile, but some bits need to be recovered
after suspend/resume.
Signed-off-by: Zidan Wang <zidan.wang@xxxxxxxxxxxxx>
---
sound/soc/fsl/fsl_asrc.c | 6 ++++++
sound/soc/fsl/fsl_asrc.h | 2 ++
2 files changed, 8 insertions(+)
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 3e404ba..942e74bc 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -990,6 +990,9 @@ 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);
@@ -1010,6 +1013,9 @@ 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,
+ 0x1FFFC0, asrc_priv->regcache_cfg);
+
/* Restart enabled pairs */
regmap_update_bits(asrc_priv->regmap, REG_ASRCTR,
ASRCTR_ASRCEi_ALL_MASK, asrctr);
diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h
index 68802cd..3695ca9 100644
--- a/sound/soc/fsl/fsl_asrc.h
+++ b/sound/soc/fsl/fsl_asrc.h
@@ -453,6 +453,8 @@ struct fsl_asrc {
int asrc_rate;
int asrc_width;
+
+ u32 regcache_cfg;
};
extern struct snd_soc_platform_driver fsl_asrc_platform;
--
1.9.1
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
