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authorNicolin Chen <Guangyu.Chen@freescale.com>2014-01-09 10:42:48 (GMT)
committerMark Brown <broonie@linaro.org>2014-01-09 17:33:31 (GMT)
commit2b56b5f02029531007c8601b23f282b840715401 (patch)
tree122a069e4cff21d7e9dfb9d44ac922c529e0ec4d /sound/soc
parente1cffe8c9f3a4f74b8b212c9fbe2873a8ee2f395 (diff)
downloadlinux-2b56b5f02029531007c8601b23f282b840715401.tar.xz
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>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/fsl/fsl_ssi.c11
1 files changed, 11 insertions, 0 deletions
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 @@ 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;
}