ENGR00295423-4 ASoC: fsl_ssi: Set the default slot number in startup()

Set a default slot number in startup() so that those who use I2S or other
2-channel DAI format would not need to call set_dai_tdm_slot() in their
machine drivers.

Signed-off-by: Nicolin Chen <Guangyu.Chen@freescale.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 0d711544c023..a66dd375047b 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -431,6 +431,12 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream,
                  * finished initializing the DMA controller.
                  */
 
+                /* Set default slot number -- 2 */
+                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));
+
                 spin_lock_irqsave(&ssi_private->baudclk_lock, flags);
                 ssi_private->baudclk_locked = false;
                 spin_unlock_irqrestore(&ssi_private->baudclk_lock, flags);