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ASoC: tegra-alt: dmic rate control override

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Support sampling rate override mixer control for dmic.

Bug  1936866

Change-Id: I9a1930bda5220e4668a32f142fa07c1dc4759883
Signed-off-by: Mohan Kumar <mkumard@nvidia.com>
Reviewed-on: http://git-master/r/1505570
(cherry picked from commit 6b2799c34edec6ee2084dba1b1a55e34cf7d4aa5)
Reviewed-on: https://git-master/r/1508731
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sameer Pujar <spujar@nvidia.com>
Reviewed-by: Ravindra Lokhande <rlokhande@nvidia.com>
This commit is contained in:
Mohan Kumar
2017-06-20 15:26:26 +05:30
committed by Sameer Pujar
parent 7a1abcd3f1
commit cb456f677b
1 changed files with 10 additions and 0 deletions
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10
sound/soc/tegra-alt/tegra210_dmic_alt.c
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@@ -163,6 +163,9 @@ static int tegra210_dmic_hw_params(struct snd_pcm_substream *substream,
memset(&cif_conf, 0, sizeof(struct tegra210_xbar_cif_conf)); memset(&cif_conf, 0, sizeof(struct tegra210_xbar_cif_conf));
srate = params_rate(params); srate = params_rate(params);
if (dmic->sample_rate_via_control)
srate = dmic->sample_rate_via_control;
dmic_clk = (1 << (6+osr)) * srate; dmic_clk = (1 << (6+osr)) * srate;
if (dmic->ch_select == DMIC_CH_SELECT_NONE) { if (dmic->ch_select == DMIC_CH_SELECT_NONE) {
@@ -297,6 +300,9 @@ static int tegra210_dmic_get_control(struct snd_kcontrol *kcontrol,
dmic->tx_mono_to_stereo; dmic->tx_mono_to_stereo;
else if (strstr(kcontrol->id.name, "output bit format")) else if (strstr(kcontrol->id.name, "output bit format"))
ucontrol->value.integer.value[0] = dmic->format_out; ucontrol->value.integer.value[0] = dmic->format_out;
else if (strstr(kcontrol->id.name, "Sample Rate"))
ucontrol->value.integer.value[0] =
dmic->sample_rate_via_control;
return 0; return 0;
} }
@@ -316,6 +322,8 @@ static int tegra210_dmic_put_control(struct snd_kcontrol *kcontrol,
dmic->tx_mono_to_stereo = value; dmic->tx_mono_to_stereo = value;
else if (strstr(kcontrol->id.name, "output bit format")) else if (strstr(kcontrol->id.name, "output bit format"))
dmic->format_out = value; dmic->format_out = value;
else if (strstr(kcontrol->id.name, "Sample Rate"))
dmic->sample_rate_via_control = value;
return 0; return 0;
} }
@@ -412,6 +420,8 @@ static const struct snd_kcontrol_new tegra210_dmic_controls[] = {
tegra210_dmic_get_control, tegra210_dmic_put_control), tegra210_dmic_get_control, tegra210_dmic_put_control),
SOC_ENUM_EXT("output bit format", tegra210_dmic_format_enum, SOC_ENUM_EXT("output bit format", tegra210_dmic_format_enum,
tegra210_dmic_get_control, tegra210_dmic_put_control), tegra210_dmic_get_control, tegra210_dmic_put_control),
SOC_SINGLE_EXT("Sample Rate", 0, 0, 48000, 0,
tegra210_dmic_get_control, tegra210_dmic_put_control),
}; };
static struct snd_soc_codec_driver tegra210_dmic_codec = { static struct snd_soc_codec_driver tegra210_dmic_codec = {