ASoC: UDA1380: DATAI is slave only

Only allow SND_SOC_DAIFMT_CBS_CFS for the playback DAI.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/sound/soc/codecs/uda1380.c b/sound/soc/codecs/uda1380.c
index 1c9d2a75add..1b10f488328 100644
--- a/sound/soc/codecs/uda1380.c
+++ b/sound/soc/codecs/uda1380.c
@@ -399,8 +399,9 @@ static int uda1380_set_dai_fmt_both(struct snd_soc_dai *codec_dai,
                 iface |= R01_SFORI_MSB | R01_SFORO_MSB;
         }
 
-        if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) == SND_SOC_DAIFMT_CBM_CFM)
-                iface |= R01_SIM;
+        /* DATAI is slave only, so in single-link mode, this has to be slave */
+        if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS)
+                return -EINVAL;
 
         uda1380_write(codec, UDA1380_IFACE, iface);
 
@@ -428,6 +429,10 @@ static int uda1380_set_dai_fmt_playback(struct snd_soc_dai *codec_dai,
                 iface |= R01_SFORI_MSB;
         }
 
+        /* DATAI is slave only, so this has to be slave */
+        if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS)
+                return -EINVAL;
+
         uda1380_write(codec, UDA1380_IFACE, iface);
 
         return 0;