ASoC: io: Use dev_get_regmap() if driver doesn't provide a regmap

Less error prone and one less line of code in drivers.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c
index 4d8dc6a27d4d..44d0174b4d97 100644
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
@@ -142,6 +142,8 @@ 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;
+                if (!codec->control_data)
+                        codec->control_data = dev_get_regmap(codec->dev, NULL);
 
                 ret = regmap_get_val_bytes(codec->control_data);
                 /* Errors are legitimate for non-integer byte multiples */