[PATCH 7/7] ASoC: pcm512x: Support SND_SOC_DAIFMT_CBM_CFS

From: Peter Rosin
Date: Wed Jan 14 2015 - 06:54:03 EST


From: Peter Rosin <peda@xxxxxxxxxx>

Signed-off-by: Peter Rosin <peda@xxxxxxxxxx>
---
sound/soc/codecs/pcm512x.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
index 2a50c58a2fb1..511d98b3afa4 100644
--- a/sound/soc/codecs/pcm512x.c
+++ b/sound/soc/codecs/pcm512x.c
@@ -486,6 +486,7 @@ static int pcm512x_dai_startup(struct snd_pcm_substream *substream,

switch (pcm512x->fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
+ case SND_SOC_DAIFMT_CBM_CFS:
return pcm512x_dai_startup_master(substream, dai);

case SND_SOC_DAIFMT_CBS_CFS:
@@ -992,6 +993,8 @@ static int pcm512x_hw_params(struct snd_pcm_substream *substream,
struct pcm512x_priv *pcm512x = snd_soc_codec_get_drvdata(codec);
int alen;
int gpio;
+ int clock_output;
+ int master_mode;
int ret;

dev_dbg(codec->dev, "hw_params %u Hz, %u channels\n",
@@ -1040,6 +1043,12 @@ static int pcm512x_hw_params(struct snd_pcm_substream *substream,
}
return 0;
case SND_SOC_DAIFMT_CBM_CFM:
+ clock_output = PCM512x_BCKO | PCM512x_LRKO;
+ master_mode = PCM512x_RLRK | PCM512x_RBCK;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ clock_output = PCM512x_BCKO;
+ master_mode = PCM512x_RBCK;
break;
default:
return -EINVAL;
@@ -1136,7 +1145,7 @@ static int pcm512x_hw_params(struct snd_pcm_substream *substream,

ret = regmap_update_bits(pcm512x->regmap, PCM512x_BCLK_LRCLK_CFG,
PCM512x_BCKP | PCM512x_BCKO | PCM512x_LRKO,
- PCM512x_BCKO | PCM512x_LRKO);
+ clock_output);
if (ret != 0) {
dev_err(codec->dev, "Failed to enable clock output: %d\n", ret);
return ret;
@@ -1144,7 +1153,7 @@ static int pcm512x_hw_params(struct snd_pcm_substream *substream,

ret = regmap_update_bits(pcm512x->regmap, PCM512x_MASTER_MODE,
PCM512x_RLRK | PCM512x_RBCK,
- PCM512x_RLRK | PCM512x_RBCK);
+ master_mode);
if (ret != 0) {
dev_err(codec->dev, "Failed to enable master mode: %d\n", ret);
return ret;
--
1.7.10.4

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