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 <[email protected]> Signed-off-by: Mark Brown <[email protected]>
RobertCNelson · Jan 9, 2014 · 2b56b5f · 2b56b5f
1 parent e1cffe8
commit 2b56b5f
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
@@ -711,6 +711,17 @@ 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;
 }