[alsa-devel] [PATCH v3 16/18] ASoC: fsl-ssi: Set framerate divider correctly for i2s master mode

Markus Pargmann mpa at pengutronix.de
Mon Apr 14 15:35:46 CEST 2014


From: Sascha Hauer <s.hauer at pengutronix.de>

In i2s master mode the fsl_ssi driver depends on someone calling
.set_tdm_slot correctly. In this mode though only a DC value of
2 is allowed, so set it in this case and no longer depend on
.set_tdm_slot.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 sound/soc/fsl/fsl_ssi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index e97e30f..9425299 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -719,6 +719,10 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi_private *ssi_private,
 		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 		case SND_SOC_DAIFMT_CBS_CFS:
 			ssi_private->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_MASTER;
+			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));
 			break;
 		case SND_SOC_DAIFMT_CBM_CFM:
 			ssi_private->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_SLAVE;
-- 
1.9.1



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