On Tue, Aug 21, 2018 at 12:55 AM Akshu Agrawal akshu.agrawal@amd.com wrote:
We support dual channel, 48Khz. This constraint was set only for da7219. It is being extended to DMIC and MAX98357a.
Signed-off-by: Akshu Agrawal akshu.agrawal@amd.com
Reviewed-by: Daniel Kurtz djkurtz@chromium.org
sound/soc/amd/acp-da7219-max98357a.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c index 066d5489..cf2f648 100644 --- a/sound/soc/amd/acp-da7219-max98357a.c +++ b/sound/soc/amd/acp-da7219-max98357a.c @@ -162,10 +162,21 @@ static void cz_da7219_shutdown(struct snd_pcm_substream *substream)
static int cz_max_startup(struct snd_pcm_substream *substream) {
struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_card *card = rtd->card; struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);/** On this platform for PCM device we support stereo*/runtime->hw.channels_max = DUAL_CHANNEL;snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,&constraints_channels);snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,&constraints_rates);machine->i2s_instance = I2S_BT_INSTANCE; return da7219_clk_enable(substream);} @@ -177,20 +188,42 @@ static void cz_max_shutdown(struct snd_pcm_substream *substream)
static int cz_dmic0_startup(struct snd_pcm_substream *substream) {
struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_card *card = rtd->card; struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);/** On this platform for PCM device we support stereo*/runtime->hw.channels_max = DUAL_CHANNEL;snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,&constraints_channels);snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,&constraints_rates);machine->i2s_instance = I2S_BT_INSTANCE; return da7219_clk_enable(substream);}
static int cz_dmic1_startup(struct snd_pcm_substream *substream) {
struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_card *card = rtd->card; struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);/** On this platform for PCM device we support stereo*/runtime->hw.channels_max = DUAL_CHANNEL;snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,&constraints_channels);snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,&constraints_rates);machine->i2s_instance = I2S_SP_INSTANCE; machine->capture_channel = CAP_CHANNEL0; return da7219_clk_enable(substream);-- 1.9.1