xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ASoC: rockchip: i2s: add other configurable formats

Browse Source 
simple-audio-card,bitclock-inversion = <1> : bclk falling edge taken
simple-audio-card,format = "dsp_a" : pcm no delay mode
simple-audio-card,format = "dsp_b" : pcm late 1 mode

Signed-off-by: zhangjun <zhangjun@rock-chips.com>
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
zhangjun
2017-06-09 16:52:48 +08:00
committed by Mark Brown
parent 55f42d2e28
commit ec2212c4af
2 changed files with 31 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
sound/soc/rockchip/rockchip_i2s.c
View File

@@ -204,7 +204,21 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
regmap_update_bits(i2s->regmap, I2S_CKR, mask, val);
mask = I2S_TXCR_IBM_MASK;
mask = I2S_CKR_CKP_MASK;
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
val = I2S_CKR_CKP_NEG;
break;
case SND_SOC_DAIFMT_IB_NF:
val = I2S_CKR_CKP_POS;
break;
default:
return -EINVAL;
}
regmap_update_bits(i2s->regmap, I2S_CKR, mask, val);
mask = I2S_TXCR_IBM_MASK | I2S_TXCR_TFS_MASK | I2S_TXCR_PBM_MASK;
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_RIGHT_J:
val = I2S_TXCR_IBM_RSJM;
@@ -215,13 +229,19 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
case SND_SOC_DAIFMT_I2S:
val = I2S_TXCR_IBM_NORMAL;
break;
case SND_SOC_DAIFMT_DSP_A: /* PCM no delay mode */
val = I2S_TXCR_TFS_PCM;
break;
case SND_SOC_DAIFMT_DSP_B: /* PCM delay 1 mode */
val = I2S_TXCR_TFS_PCM | I2S_TXCR_PBM_MODE(1);
break;
default:
return -EINVAL;
}
regmap_update_bits(i2s->regmap, I2S_TXCR, mask, val);
mask = I2S_RXCR_IBM_MASK;
mask = I2S_RXCR_IBM_MASK | I2S_RXCR_TFS_MASK | I2S_RXCR_PBM_MASK;
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_RIGHT_J:
val = I2S_RXCR_IBM_RSJM;
@@ -232,6 +252,12 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
case SND_SOC_DAIFMT_I2S:
val = I2S_RXCR_IBM_NORMAL;
break;
case SND_SOC_DAIFMT_DSP_A: /* PCM no delay mode */
val = I2S_RXCR_TFS_PCM;
break;
case SND_SOC_DAIFMT_DSP_B: /* PCM delay 1 mode */
val = I2S_RXCR_TFS_PCM | I2S_RXCR_PBM_MODE(1);
break;
default:
return -EINVAL;
}