[PATCH 6/9] ASoC: es8328: Move sample size setup to hw_params

From: John Keeping
Date: Mon May 09 2016 - 07:26:44 EST


This is a refactor in preparation for supporting more sample sizes which
has no functional change.

Signed-off-by: John Keeping <john@xxxxxxxxxxxx>
---
sound/soc/codecs/es8328.c | 19 ++++++++++++++-----
sound/soc/codecs/es8328.h | 4 ++++
2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c
index 8661d1837422..31c90ef9abf2 100644
--- a/sound/soc/codecs/es8328.c
+++ b/sound/soc/codecs/es8328.c
@@ -482,9 +482,16 @@ static int es8328_hw_params(struct snd_pcm_substream *substream,
ratio = mclk_ratios[i].ratio;

if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ snd_soc_update_bits(codec, ES8328_DACCONTROL1,
+ ES8328_DACCONTROL1_DACWL_MASK,
+ ES8328_DACCONTROL1_DACWL_16);
+
es8328->playback_fs = params_rate(params);
es8328_set_deemph(codec);
- }
+ } else
+ snd_soc_update_bits(codec, ES8328_ADCCONTROL4,
+ ES8328_ADCCONTROL4_ADCWL_MASK,
+ ES8328_ADCCONTROL4_ADCWL_16);

return snd_soc_update_bits(codec, reg, ES8328_RATEMASK, ratio);
}
@@ -493,8 +500,8 @@ static int es8328_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
- u8 dac_mode = ES8328_DACCONTROL1_DACWL_16;
- u8 adc_mode = ES8328_ADCCONTROL4_ADCWL_16;
+ u8 dac_mode = 0;
+ u8 adc_mode = 0;

/* set master/slave audio interface */
if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBM_CFM)
@@ -522,8 +529,10 @@ static int es8328_set_dai_fmt(struct snd_soc_dai *codec_dai,
if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF)
return -EINVAL;

- snd_soc_write(codec, ES8328_DACCONTROL1, dac_mode);
- snd_soc_write(codec, ES8328_ADCCONTROL4, adc_mode);
+ snd_soc_update_bits(codec, ES8328_DACCONTROL1,
+ ES8328_DACCONTROL1_DACFORMAT_MASK, dac_mode);
+ snd_soc_update_bits(codec, ES8328_ADCCONTROL4,
+ ES8328_ADCCONTROL4_ADCFORMAT_MASK, adc_mode);

/* Master serial port mode, with BCLK generated automatically */
snd_soc_update_bits(codec, ES8328_MASTERMODE,
diff --git a/sound/soc/codecs/es8328.h b/sound/soc/codecs/es8328.h
index 8bc79fff0218..9c33d8bda859 100644
--- a/sound/soc/codecs/es8328.h
+++ b/sound/soc/codecs/es8328.h
@@ -86,6 +86,7 @@ int es8328_probe(struct device *dev, struct regmap *regmap);
#define ES8328_ADCCONTROL3 0x0b

#define ES8328_ADCCONTROL4 0x0c
+#define ES8328_ADCCONTROL4_ADCFORMAT_MASK (3 << 0)
#define ES8328_ADCCONTROL4_ADCFORMAT_I2S (0 << 0)
#define ES8328_ADCCONTROL4_ADCFORMAT_LJUST (1 << 0)
#define ES8328_ADCCONTROL4_ADCFORMAT_RJUST (2 << 0)
@@ -95,6 +96,7 @@ int es8328_probe(struct device *dev, struct regmap *regmap);
#define ES8328_ADCCONTROL4_ADCWL_18 (2 << 2)
#define ES8328_ADCCONTROL4_ADCWL_16 (3 << 2)
#define ES8328_ADCCONTROL4_ADCWL_32 (4 << 2)
+#define ES8328_ADCCONTROL4_ADCWL_MASK (7 << 2)
#define ES8328_ADCCONTROL4_ADCLRP_I2S_POL_NORMAL (0 << 5)
#define ES8328_ADCCONTROL4_ADCLRP_I2S_POL_INV (1 << 5)
#define ES8328_ADCCONTROL4_ADCLRP_PCM_MSB_CLK2 (0 << 5)
@@ -124,6 +126,7 @@ int es8328_probe(struct device *dev, struct regmap *regmap);
#define ES8328_ADCCONTROL14 0x16

#define ES8328_DACCONTROL1 0x17
+#define ES8328_DACCONTROL1_DACFORMAT_MASK (3 << 1)
#define ES8328_DACCONTROL1_DACFORMAT_I2S (0 << 1)
#define ES8328_DACCONTROL1_DACFORMAT_LJUST (1 << 1)
#define ES8328_DACCONTROL1_DACFORMAT_RJUST (2 << 1)
@@ -133,6 +136,7 @@ int es8328_probe(struct device *dev, struct regmap *regmap);
#define ES8328_DACCONTROL1_DACWL_18 (2 << 3)
#define ES8328_DACCONTROL1_DACWL_16 (3 << 3)
#define ES8328_DACCONTROL1_DACWL_32 (4 << 3)
+#define ES8328_DACCONTROL1_DACWL_MASK (7 << 3)
#define ES8328_DACCONTROL1_DACLRP_I2S_POL_NORMAL (0 << 6)
#define ES8328_DACCONTROL1_DACLRP_I2S_POL_INV (1 << 6)
#define ES8328_DACCONTROL1_DACLRP_PCM_MSB_CLK2 (0 << 6)
--
2.8.0.rc4.238.g874082a