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ASoC: fsl-sai: fix Freescale SAI DAI format setting. 

o Fix some bugs of fsl_sai_set_dai_fmt_tr().
o Add SND_SOC_DAIFMT_LEFT_J support.
o Add SND_SOC_DAIFMT_CBS_CFM support.
o Add SND_SOC_DAIFMT_CBM_CFS support.
o And SND_SOC_DAIFMT_RIGHT_J need to be done in the future.

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Xiubo Li 2014-02-25 17:54:51 +08:00 committed by Mark Brown
parent 7d150c60f1
commit 13cde09003
1 changed files with 29 additions and 9 deletions
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38
sound/soc/fsl/fsl_sai.c
View File

@ -105,35 +105,47 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai,
else
val_cr4 |= FSL_SAI_CR4_MF;
/* DAI mode */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
val_cr4 |= FSL_SAI_CR4_FSE;
/* Data on rising edge of bclk, frame low, 1clk before data */
val_cr2 &= ~FSL_SAI_CR2_BCP;
val_cr4 |= FSL_SAI_CR4_FSE | FSL_SAI_CR4_FSP;
break;
case SND_SOC_DAIFMT_LEFT_J:
/* Data on rising edge of bclk, frame high, 0clk before data */
val_cr2 &= ~FSL_SAI_CR2_BCP;
val_cr4 &= ~(FSL_SAI_CR4_FSE | FSL_SAI_CR4_FSP);
break;
case SND_SOC_DAIFMT_RIGHT_J:
/* To be done */
default:
return -EINVAL;
}
/* DAI clock inversion */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_IB_IF:
val_cr4 |= FSL_SAI_CR4_FSP;
val_cr2 &= ~FSL_SAI_CR2_BCP;
/* Invert both clocks */
val_cr2 ^= FSL_SAI_CR2_BCP;
val_cr4 ^= FSL_SAI_CR4_FSP;
break;
case SND_SOC_DAIFMT_IB_NF:
val_cr4 &= ~FSL_SAI_CR4_FSP;
val_cr2 &= ~FSL_SAI_CR2_BCP;
/* Invert bit clock */
val_cr2 ^= FSL_SAI_CR2_BCP;
break;
case SND_SOC_DAIFMT_NB_IF:
val_cr4 |= FSL_SAI_CR4_FSP;
val_cr2 |= FSL_SAI_CR2_BCP;
/* Invert frame clock */
val_cr4 ^= FSL_SAI_CR4_FSP;
break;
case SND_SOC_DAIFMT_NB_NF:
val_cr4 &= ~FSL_SAI_CR4_FSP;
val_cr2 |= FSL_SAI_CR2_BCP;
/* Nothing to do for both normal cases */
break;
default:
return -EINVAL;
}
/* DAI clock master masks */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
val_cr2 |= FSL_SAI_CR2_BCD_MSTR;
@ -143,6 +155,14 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai,
val_cr2 &= ~FSL_SAI_CR2_BCD_MSTR;
val_cr4 &= ~FSL_SAI_CR4_FSD_MSTR;
break;
case SND_SOC_DAIFMT_CBS_CFM:
val_cr2 |= FSL_SAI_CR2_BCD_MSTR;
val_cr4 &= ~FSL_SAI_CR4_FSD_MSTR;
break;
case SND_SOC_DAIFMT_CBM_CFS:
val_cr2 &= ~FSL_SAI_CR2_BCD_MSTR;
val_cr4 |= FSL_SAI_CR4_FSD_MSTR;
break;
default:
return -EINVAL;
}