ASoC: fsl_ssi: Set default slot number for common cases
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.Chen@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 6c2f040..7864ec5 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -711,6 +711,17 @@
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;
}