Add dmic ops and startup callback to add snd_pcm_hw_constraint for
pdm related device node.
Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey@xxxxxxx>
---
sound/soc/amd/acp/acp-mach-common.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/sound/soc/amd/acp/acp-mach-common.c b/sound/soc/amd/acp/acp-mach-common.c
index b45442a56c40..d3034ee2ff59 100644
--- a/sound/soc/amd/acp/acp-mach-common.c
+++ b/sound/soc/amd/acp/acp-mach-common.c
@@ -291,6 +291,32 @@ static const struct snd_soc_ops acp_card_rt5682s_ops = {
.shutdown = acp_card_shutdown,
};
+static const unsigned int dmic_channels[] = {
+ DUAL_CHANNEL, FOUR_CHANNEL,
+};
+
+static const struct snd_pcm_hw_constraint_list dmic_constraints_channels = {
+ .count = ARRAY_SIZE(dmic_channels),
+ .list = dmic_channels,
+ .mask = 0,
+};
+
+static int acp_card_dmic_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ &dmic_constraints_channels);
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ &constraints_rates);
+
+ return 0;
+}
+
+static const struct snd_soc_ops acp_card_dmic_ops = {
+ .startup = acp_card_dmic_startup,
+};
+
/* Declare RT1019 codec components */
SND_SOC_DAILINK_DEF(rt1019,
DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC1019:00", "rt1019-aif"),
@@ -633,6 +659,7 @@ int acp_legacy_dai_links_create(struct snd_soc_card *card)
links[i].num_cpus = ARRAY_SIZE(pdm_dmic);
links[i].platforms = platform_component;
links[i].num_platforms = ARRAY_SIZE(platform_component);
+ links[i].ops = &acp_card_dmic_ops;
links[i].dpcm_capture = 1;
}
--
2.25.1
