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authorNeilBrown <neilb@suse.de>2012-08-01 20:40:02 +1000
committerNeilBrown <neilb@suse.de>2012-08-01 20:40:02 +1000
commitbb181e2e48f8c85db08c9cb015cbba9618dbf05c (patch)
tree191bc24dd97bcb174535cc217af082f16da3b43d /sound/soc/soc-io.c
parentd57368afe63b3b7b45ce6c2b8c5276417935be2f (diff)
parentc039c332f23e794deb6d6f37b9f07ff3b27fb2cf (diff)
Merge commit 'c039c332f23e794deb6d6f37b9f07ff3b27fb2cf' into md
Pull in pre-requisites for adding raid10 support to dm-raid.
Diffstat (limited to 'sound/soc/soc-io.c')
-rw-r--r--sound/soc/soc-io.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c
index 4d8dc6a27d4..29183ef2b93 100644
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
@@ -142,11 +142,16 @@ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
case SND_SOC_REGMAP:
/* Device has made its own regmap arrangements */
codec->using_regmap = true;
-
- ret = regmap_get_val_bytes(codec->control_data);
- /* Errors are legitimate for non-integer byte multiples */
- if (ret > 0)
- codec->val_bytes = ret;
+ if (!codec->control_data)
+ codec->control_data = dev_get_regmap(codec->dev, NULL);
+
+ if (codec->control_data) {
+ ret = regmap_get_val_bytes(codec->control_data);
+ /* Errors are legitimate for non-integer byte
+ * multiples */
+ if (ret > 0)
+ codec->val_bytes = ret;
+ }
break;
default: