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asoc: tegra-alt: i2s: add kcontrol to config cif

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add kcontrol to config audio bits on i2s cif bits

bug 1670069

Change-Id: Iba6c4c2054d28e49d3aeaa38b295ad5b9c48f256
Signed-off-by: Dara Ramesh <dramesh@nvidia.com>
Reviewed-on: http://git-master/r/775578
(cherry picked from commit 336386d89d2f72f62d779969a9ebb2af68cf2aae)
Reviewed-on: http://git-master/r/782237
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sumit Bhattacharya <sumitb@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Dara Ramesh
2015-07-28 14:38:04 +05:30
committed by Sameer Pujar
parent ec1a48aac2
commit b38e420610
1 changed files with 50 additions and 1 deletions
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51
sound/soc/tegra-alt/tegra210_i2s_alt.c
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@@ -420,6 +420,49 @@ static int tegra210_i2s_set_dai_bclk_ratio(struct snd_soc_dai *dai,
return 0;
}
static int tegra210_i2s_get_format(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct tegra210_i2s *i2s = snd_soc_codec_get_drvdata(codec);
/* get the format control flag */
if (strstr(kcontrol->id.name, "input"))
ucontrol->value.integer.value[0] = i2s->format_in;
return 0;
}
static int tegra210_i2s_put_format(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct tegra210_i2s *i2s = snd_soc_codec_get_drvdata(codec);
/* set the format control flag */
if (strstr(kcontrol->id.name, "input"))
i2s->format_in = ucontrol->value.integer.value[0];
return 0;
}
static const char * const tegra210_i2s_format_text[] = {
"None",
"16",
"32",
};
static const int tegra210_i2s_fmt_values[] = {
0,
TEGRA210_AUDIOCIF_BITS_16,
TEGRA210_AUDIOCIF_BITS_32,
};
static const struct soc_enum tegra210_i2s_format_enum =
SOC_ENUM_SINGLE(SND_SOC_NOPM, 0,
ARRAY_SIZE(tegra210_i2s_format_text),
tegra210_i2s_format_text);
static int tegra210_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
@@ -523,8 +566,12 @@ static int tegra210_i2s_hw_params(struct snd_pcm_substream *substream,
/* As a COCEC DAI, CAPTURE is transmit */
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
reg = TEGRA210_I2S_AXBAR_RX_CIF_CTRL;
else
else {
if (i2s->format_in)
cif_conf.audio_bits =
tegra210_i2s_fmt_values[i2s->format_in];
reg = TEGRA210_I2S_AXBAR_TX_CIF_CTRL;
}
i2s->soc_data->set_audio_cif(i2s->regmap, reg, &cif_conf);
@@ -661,6 +708,8 @@ static int tegra210_i2s_loopback_put(struct snd_kcontrol *kcontrol,
static const struct snd_kcontrol_new tegra210_i2s_controls[] = {
SOC_SINGLE_EXT("Loopback", SND_SOC_NOPM, 0, 1, 0,
tegra210_i2s_loopback_get, tegra210_i2s_loopback_put),
SOC_ENUM_EXT("input bit format", tegra210_i2s_format_enum,
tegra210_i2s_get_format, tegra210_i2s_put_format),
};
static const struct snd_soc_dapm_widget tegra210_i2s_widgets[] = {