ASoC: i.MX SSI driver does not yet support master mode

The clocks for the SSI block need handling before this can work.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 4 insertions, 8 deletions

diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c
index ccb7ec9ce997..56f46a75d297 100644
--- a/sound/soc/imx/imx-ssi.c
+++ b/sound/soc/imx/imx-ssi.c
@@ -133,15 +133,11 @@ static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
 
         /* DAI clock master masks */
         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-        case SND_SOC_DAIFMT_CBS_CFS:
-                strcr |= SSI_STCR_TFDIR | SSI_STCR_TXDIR;
-                break;
-        case SND_SOC_DAIFMT_CBM_CFS:
-                strcr |= SSI_STCR_TFDIR;
-                break;
-        case SND_SOC_DAIFMT_CBS_CFM:
-                strcr |= SSI_STCR_TXDIR;
+        case SND_SOC_DAIFMT_CBM_CFM:
                 break;
+        default:
+                /* Master mode not implemented, needs handling of clocks. */
+                return -EINVAL;
         }
 
         strcr |= SSI_STCR_TFEN0;