diff options
| author | Sathyanarayana Nujella <sathyanarayana.nujella@intel.com> | 2016-12-06 07:08:36 -0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-12-06 15:13:11 +0000 |
| commit | c1aee1d828caa86a663c57a56eead7fd5f22d80f (patch) | |
| tree | e9273f4f59eac96d36369a8727b93902c73e4ba4 /sound/soc/intel/boards/bxt_da7219_max98357a.c | |
| parent | da91723ce0c5e0bbd5dc91d66447ba165241c257 (diff) | |
| download | linux-c1aee1d828caa86a663c57a56eead7fd5f22d80f.tar.bz2 | |
ASoC: Intel: update bxt_da7219_max98357a to support quad ch dmic capture
This patch updates FE channel constraints & BE fixup to support
quad channel DMIC capture.
DMIC pin's BE fixup is configured based on channel input, i.e.
either stereo or quad.
Signed-off-by: Sathyanarayana Nujella <sathyanarayana.nujella@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>
Diffstat (limited to 'sound/soc/intel/boards/bxt_da7219_max98357a.c')
| -rw-r--r-- | sound/soc/intel/boards/bxt_da7219_max98357a.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/sound/soc/intel/boards/bxt_da7219_max98357a.c b/sound/soc/intel/boards/bxt_da7219_max98357a.c index bff80b467262..3a8c24a59020 100644 --- a/sound/soc/intel/boards/bxt_da7219_max98357a.c +++ b/sound/soc/intel/boards/bxt_da7219_max98357a.c @@ -30,6 +30,7 @@ #define BXT_DIALOG_CODEC_DAI "da7219-hifi" #define BXT_MAXIM_CODEC_DAI "HiFi" #define DUAL_CHANNEL 2 +#define QUAD_CHANNEL 4 static struct snd_soc_jack broxton_headset; @@ -182,6 +183,16 @@ static struct snd_pcm_hw_constraint_list constraints_channels = { .mask = 0, }; +static unsigned int channels_quad[] = { + QUAD_CHANNEL, +}; + +static struct snd_pcm_hw_constraint_list constraints_channels_quad = { + .count = ARRAY_SIZE(channels_quad), + .list = channels_quad, + .mask = 0, +}; + static int bxt_fe_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; @@ -258,7 +269,10 @@ static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd, { struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); - channels->min = channels->max = DUAL_CHANNEL; + if (params_channels(params) == 2) + channels->min = channels->max = 2; + else + channels->min = channels->max = 4; return 0; } @@ -267,9 +281,9 @@ static int broxton_dmic_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - runtime->hw.channels_max = DUAL_CHANNEL; + runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL; snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, - &constraints_channels); + &constraints_channels_quad); return snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); |