ASoC: tegra-virt-alt: Add 24 kHz support

Use SNDRV_PCM_RATE_KNOT instead of
SNDRV_PCM_RATE_8000_192000 to support 24 Khz
Sampling rate

Jira EMA-412

Change-Id: I05375f8203411d0366b7c0b5e2b4dca35d70342c
Signed-off-by: Uday Gupta <udayg@nvidia.com>
Reviewed-on: http://git-master/r/1475235
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/sound/soc/tegra-alt/tegra210_adsp_alt.c b/sound/soc/tegra-alt/tegra210_adsp_alt.c
index 8145eb3f6..dd9848644 100644
--- a/sound/soc/tegra-alt/tegra210_adsp_alt.c
+++ b/sound/soc/tegra-alt/tegra210_adsp_alt.c
@@ -69,6 +69,17 @@
 #define PLUGIN_SET_PARAMS_IDX   1
 #define PLUGIN_SEND_BYTES_IDX   11
 
+static const unsigned int tegra210_adsp_rates[] = {
+        8000, 11025, 12000, 16000, 22050,
+        24000, 32000, 44100, 48000
+};
+
+static const struct snd_pcm_hw_constraint_list
+        tegra210_adsp_rate_constraints = {
+        .count = ARRAY_SIZE(tegra210_adsp_rates),
+        .list = tegra210_adsp_rates,
+};
+
 static struct tegra210_adsp_app_desc {
         const char *name;
         const char *fw_name;
@@ -2234,6 +2245,15 @@ static int tegra210_adsp_admaif_hv_hw_params(
         return ret;
 }
 #endif
+
+static int tegra210_adsp_fe_startup(struct snd_pcm_substream *substream,
+                struct snd_soc_dai *cpu_dai)
+{
+        return snd_pcm_hw_constraint_list(substream->runtime, 0,
+                        SNDRV_PCM_HW_PARAM_RATE,
+                        &tegra210_adsp_rate_constraints);
+}
+
 static int tegra210_adsp_fe_hw_params(struct snd_pcm_substream *substream,
                                 struct snd_pcm_hw_params *params,
                                 struct snd_soc_dai *dai)
@@ -2853,6 +2873,7 @@ static int tegra210_adsp_widget_event(struct snd_soc_dapm_widget *w,
 }
 static struct snd_soc_dai_ops tegra210_adsp_fe_dai_ops = {
         .hw_params      = tegra210_adsp_fe_hw_params,
+        .startup        = tegra210_adsp_fe_startup,
 };
 
 static struct snd_soc_dai_ops tegra210_adsp_admaif_dai_ops = {