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ASoC: stm32: sai: Move static settings to DAI init 

Audio interface direction and protocol settings does not change
at runtime. So, these settings are moved from hw_params
function to dai_probe and set_fmt.

Signed-off-by: olivier moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Olivier Moysan 2017-10-19 15:03:18 +02:00 committed by Mark Brown
parent 14f0e5f8d9
commit 61fb4ff703
1 changed files with 13 additions and 10 deletions
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23
sound/soc/stm/stm32_sai_sub.c
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@ -308,12 +308,15 @@ static int stm32_sai_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, u32 tx_mask,
static int stm32_sai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
{
struct stm32_sai_sub_data *sai = snd_soc_dai_get_drvdata(cpu_dai);
int cr1 = 0, frcr = 0;
int cr1_mask = 0, frcr_mask = 0;
int cr1, frcr = 0;
int cr1_mask, frcr_mask = 0;
int ret;
dev_dbg(cpu_dai->dev, "fmt %x\n", fmt);
cr1_mask = SAI_XCR1_PRTCFG_MASK;
cr1 = SAI_XCR1_PRTCFG_SET(SAI_FREE_PROTOCOL);
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
/* SCK active high for all protocols */
case SND_SOC_DAIFMT_I2S:
@ -340,7 +343,7 @@ static int stm32_sai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
return -EINVAL;
}
cr1_mask |= SAI_XCR1_PRTCFG_MASK | SAI_XCR1_CKSTR;
cr1_mask |= SAI_XCR1_CKSTR;
frcr_mask |= SAI_XFRCR_FSPOL | SAI_XFRCR_FSOFF |
SAI_XFRCR_FSDEF;
@ -458,7 +461,7 @@ static int stm32_sai_set_config(struct snd_soc_dai *cpu_dai,
SAI_XCR2_FTH_SET(STM_SAI_FIFO_TH_HALF));
/* Mode, data format and channel config */
cr1 = SAI_XCR1_PRTCFG_SET(SAI_FREE_PROTOCOL);
cr1_mask = SAI_XCR1_DS_MASK;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S8:
cr1 |= SAI_XCR1_DS_SET(SAI_DATASIZE_8);
@ -473,11 +476,6 @@ static int stm32_sai_set_config(struct snd_soc_dai *cpu_dai,
dev_err(cpu_dai->dev, "Data format not supported");
return -EINVAL;
}
cr1_mask = SAI_XCR1_DS_MASK | SAI_XCR1_PRTCFG_MASK;
cr1_mask |= SAI_XCR1_RX_TX;
if (STM_SAI_IS_CAPTURE(sai))
cr1 |= SAI_XCR1_RX_TX;
cr1_mask |= SAI_XCR1_MONO;
if ((sai->slots == 2) && (params_channels(params) == 1))
@ -729,6 +727,7 @@ static void stm32_sai_shutdown(struct snd_pcm_substream *substream,
static int stm32_sai_dai_probe(struct snd_soc_dai *cpu_dai)
{
struct stm32_sai_sub_data *sai = dev_get_drvdata(cpu_dai->dev);
int cr1 = 0, cr1_mask;
sai->dma_params.addr = (dma_addr_t)(sai->phys_addr + STM_SAI_DR_REGX);
/*
@ -745,7 +744,11 @@ static int stm32_sai_dai_probe(struct snd_soc_dai *cpu_dai)
else
snd_soc_dai_init_dma_data(cpu_dai, NULL, &sai->dma_params);
return 0;
cr1_mask = SAI_XCR1_RX_TX;
if (STM_SAI_IS_CAPTURE(sai))
cr1 |= SAI_XCR1_RX_TX;
return regmap_update_bits(sai->regmap, STM_SAI_CR1_REGX, cr1_mask, cr1);
}
static const struct snd_soc_dai_ops stm32_sai_pcm_dai_ops = {