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ASoC: Intel: Enable tdm slots for max98927

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In this patch the SSP0 BE's mode is changed from I2S mode to DSP_B
with 8 slots of 16 bits. It enables 4 slot for IV feedback and 2 slots for
playback on max98927 for kabylake machine driver

The layout of SSP0 Tx and Rx slots is as follows;
1. Playback uses Tx slots 0 and 1
2. Capture uses Rx slots 4,5,6,7.

Slots 0 through 3 of Rx are used by DMIC codec RT5514 in another flavor
of Kabylake platform. We are using the same slots 4 through 7 on all
Kabylake platforms for max98927 in order to reuse same NHLT configuration.

Signed-off-by: Naveen M <naveen.m@intel.com>
Signed-off-by: Harsha Priya <harshapriya.n@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Harsha Priya N 2017-10-26 11:44:02 -07:00 committed by Mark Brown
parent 2fe30129b0
commit 7a679ea75a
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
1 changed files with 39 additions and 1 deletions
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40
sound/soc/intel/boards/kbl_rt5663_max98927.c
View file

@ -399,6 +399,43 @@ static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
return 0;
}
static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
int ret = 0, j;
for (j = 0; j < rtd->num_codecs; j++) {
struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
if (!strcmp(codec_dai->component->name, MAXIM_DEV0_NAME)) {
/*
* Use channel 4 and 5 for the first amp
*/
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x30, 3, 8, 16);
if (ret < 0) {
dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
return ret;
}
}
if (!strcmp(codec_dai->component->name, MAXIM_DEV1_NAME)) {
/*
* Use channel 6 and 7 for the second amp
*/
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC0, 3, 8, 16);
if (ret < 0) {
dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
return ret;
}
}
}
return ret;
}
static struct snd_soc_ops kabylake_ssp0_ops = {
.hw_params = kabylake_ssp0_hw_params,
};
static unsigned int channels_dmic[] = {
2, 4,
};
@ -602,12 +639,13 @@ static struct snd_soc_dai_link kabylake_dais[] = {
.no_pcm = 1,
.codecs = max98927_codec_components,
.num_codecs = ARRAY_SIZE(max98927_codec_components),
.dai_fmt = SND_SOC_DAIFMT_I2S |
.dai_fmt = SND_SOC_DAIFMT_DSP_B |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ignore_pmdown_time = 1,
.be_hw_params_fixup = kabylake_ssp_fixup,
.dpcm_playback = 1,
.ops = &kabylake_ssp0_ops,
},
{
/* SSP1 - Codec */