For those platforms using DAI master mode like I2S, it's better to pre-set
a default slot number so that there's no need for these common cases to set
the slot number from its machine driver any more.
Signed-off-by: Nicolin Chen <guangyu.c...@freescale.com>
---
sound/soc/fsl/fsl_ssi.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 94dedcb..57ab45b 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -711,6 +711,16 @@ static int fsl_ssi_setup(struct fsl_ssi_private
*ssi_private)
if (ssi_private->imx_ac97)
fsl_ssi_setup_ac97(ssi_private);
+ /* Set a default slot number so that there is no need for those common
+ * cases like I2S mode to call the extra set_tdm_slot() any more.
+ */
+ if (!ssi_private->imx_ac97) {
+ write_ssi_mask(&ssi->stccr, CCSR_SSI_SxCCR_DC_MASK,
+ CCSR_SSI_SxCCR_DC(2));
+ write_ssi_mask(&ssi->srccr, CCSR_SSI_SxCCR_DC_MASK,
+ CCSR_SSI_SxCCR_DC(2));
+ }
+
return 0;
}
--
1.8.4
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