p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ASoC: es8328: Add support for slave mode 

Currently, the function that changes the DAI format only supports master
mode. Trying to use a slave mode exits the function with -EINVAL and
leave the codec misconfigured. This commits adds support for enabling
the slave mode.

Signed-off-by: Romain Perier <romain.perier@collabora.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Romain Perier 2017-02-03 15:37:57 +01:00 committed by Mark Brown
parent 5f166156db
commit b9b044e296
1 changed files with 14 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
sound/soc/codecs/es8328.c
View File

@ -589,9 +589,21 @@ static int es8328_set_dai_fmt(struct snd_soc_dai *codec_dai,
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)
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
/* Master serial port mode, with BCLK generated automatically */
snd_soc_update_bits(codec, ES8328_MASTERMODE,
ES8328_MASTERMODE_MSC,
ES8328_MASTERMODE_MSC);
break;
case SND_SOC_DAIFMT_CBS_CFS:
/* Slave serial port mode */
snd_soc_update_bits(codec, ES8328_MASTERMODE,
ES8328_MASTERMODE_MSC, 0);
break;
default:
return -EINVAL;
}
/* interface format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
@ -620,10 +632,6 @@ static int es8328_set_dai_fmt(struct snd_soc_dai *codec_dai,
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,
ES8328_MASTERMODE_MSC, ES8328_MASTERMODE_MSC);
return 0;
}