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ASoC: Intel: add support for configuring TDM slots for SSP

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With this machines can now configure TDM settings for SSP port using
set_tdm_slot API

Signed-off-by: Praveen Diwakar <praveen.diwakar@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vinod Koul 2015-05-06 22:06:44 +05:30 committed by Mark Brown
parent 0b44e34549
commit 83f125e2a1
3 changed files with 31 additions and 0 deletions
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13
sound/soc/intel/atom/sst-atom-controls.c
View File

@ -774,6 +774,19 @@ int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable)
return ret;
}
int sst_fill_ssp_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
unsigned int rx_mask, int slots, int slot_width)
{
struct sst_data *ctx = snd_soc_dai_get_drvdata(dai);
ctx->ssp_cmd.nb_slots = slots;
ctx->ssp_cmd.active_tx_slot_map = tx_mask;
ctx->ssp_cmd.active_rx_slot_map = rx_mask;
ctx->ssp_cmd.nb_bits_per_slots = slot_width;
return 0;
}
static int sst_get_frame_sync_polarity(struct snd_soc_dai *dai,
unsigned int fmt)
{

2
sound/soc/intel/atom/sst-atom-controls.h
View File

@ -869,6 +869,8 @@ struct sst_enum {
SOC_DAPM_ENUM(SST_MUX_CTL_NAME(xpname, xinstance), \
SST_SSP_MUX_ENUM(xreg, xshift, xtexts))
int sst_fill_ssp_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
unsigned int rx_mask, int slots, int slot_width);
int sst_fill_ssp_config(struct snd_soc_dai *dai, unsigned int fmt);
void sst_fill_ssp_defaults(struct snd_soc_dai *dai);

16
sound/soc/intel/atom/sst-mfld-platform-pcm.c
View File

@ -464,6 +464,21 @@ static int sst_set_format(struct snd_soc_dai *dai, unsigned int fmt)
return ret;
}
static int sst_platform_set_ssp_slot(struct snd_soc_dai *dai,
unsigned int tx_mask, unsigned int rx_mask,
int slots, int slot_width) {
int ret = 0;
if (!dai->active)
return ret;
ret = sst_fill_ssp_slot(dai, tx_mask, rx_mask, slots, slot_width);
if (ret < 0)
dev_err(dai->dev, "sst_fill_ssp_slot failed..%d\n", ret);
return ret;
}
static void sst_disable_ssp(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
@ -490,6 +505,7 @@ static struct snd_soc_dai_ops sst_be_dai_ops = {
.startup = sst_enable_ssp,
.hw_params = sst_be_hw_params,
.set_fmt = sst_set_format,
.set_tdm_slot = sst_platform_set_ssp_slot,
.shutdown = sst_disable_ssp,
};