ASoC: atmel_ssc_dai: fix the setting for DSP mode

When SCC work in DSP A mode, the data outputs/inputs are shift out on
falling edge, the frame sync are sample on the rising edge.

Reported-by: Songjun Wu <songjun.wu@atmel.com>
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
index e691aab..35e44e4 100644 (file)
--- a/sound/soc/atmel/atmel_ssc_dai.c
+++ b/sound/soc/atmel/atmel_ssc_dai.c
@@ -502,7 +502,7 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
                rcmr =    SSC_BF(RCMR_PERIOD, ssc_p->rcmr_period)
                        | SSC_BF(RCMR_STTDLY, 1)
                        | SSC_BF(RCMR_START, SSC_START_RISING_RF)
-                       | SSC_BF(RCMR_CKI, SSC_CKI_RISING)
+                       | SSC_BF(RCMR_CKI, SSC_CKI_FALLING)
                        | SSC_BF(RCMR_CKO, SSC_CKO_NONE)
                        | SSC_BF(RCMR_CKS, SSC_CKS_DIV);
 
@@ -517,7 +517,7 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
                tcmr =    SSC_BF(TCMR_PERIOD, ssc_p->tcmr_period)
                        | SSC_BF(TCMR_STTDLY, 1)
                        | SSC_BF(TCMR_START, SSC_START_RISING_RF)
-                       | SSC_BF(TCMR_CKI, SSC_CKI_RISING)
+                       | SSC_BF(TCMR_CKI, SSC_CKI_FALLING)
                        | SSC_BF(TCMR_CKO, SSC_CKO_CONTINUOUS)
                        | SSC_BF(TCMR_CKS, SSC_CKS_DIV);
 
@@ -546,7 +546,7 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
                rcmr =    SSC_BF(RCMR_PERIOD, 0)
                        | SSC_BF(RCMR_STTDLY, START_DELAY)
                        | SSC_BF(RCMR_START, SSC_START_RISING_RF)
-                       | SSC_BF(RCMR_CKI, SSC_CKI_RISING)
+                       | SSC_BF(RCMR_CKI, SSC_CKI_FALLING)
                        | SSC_BF(RCMR_CKO, SSC_CKO_NONE)
                        | SSC_BF(RCMR_CKS, ssc->clk_from_rk_pin ?
                                           SSC_CKS_PIN : SSC_CKS_CLOCK);