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ASoC: sun4i-codec: Add support for A31 Line Out playback
The A31 integrated codec has a second "Line Out" output which does not include an integrated amplifier in its path. This path does have a separate volume control. This patch adds support for the playback path from the DAC to the Line Out pins. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -794,11 +794,31 @@ static const struct snd_kcontrol_new sun6i_codec_hp_src[] = {
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sun6i_codec_hp_src_enum),
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};
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/* line out controls */
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static const char * const sun6i_codec_lineout_src_enum_text[] = {
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"Stereo", "Mono Differential",
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};
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static SOC_ENUM_DOUBLE_DECL(sun6i_codec_lineout_src_enum,
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SUN6I_CODEC_MIC_CTRL,
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SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC,
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SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC,
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sun6i_codec_lineout_src_enum_text);
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static const struct snd_kcontrol_new sun6i_codec_lineout_src[] = {
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SOC_DAPM_ENUM("Line Out Source Playback Route",
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sun6i_codec_lineout_src_enum),
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};
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/* volume / mute controls */
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static const DECLARE_TLV_DB_SCALE(sun6i_codec_dvol_scale, -7308, 116, 0);
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static const DECLARE_TLV_DB_SCALE(sun6i_codec_hp_vol_scale, -6300, 100, 1);
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static const DECLARE_TLV_DB_SCALE(sun6i_codec_out_mixer_pregain_scale,
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-450, 150, 0);
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static const DECLARE_TLV_DB_RANGE(sun6i_codec_lineout_vol_scale,
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0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
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2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
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);
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static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = {
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SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
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@ -808,10 +828,18 @@ static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = {
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SUN6I_CODEC_OM_DACA_CTRL,
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SUN6I_CODEC_OM_DACA_CTRL_HPVOL, 0x3f, 0,
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sun6i_codec_hp_vol_scale),
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SOC_SINGLE_TLV("Line Out Playback Volume",
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SUN6I_CODEC_MIC_CTRL,
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SUN6I_CODEC_MIC_CTRL_LINEOUTVC, 0x1f, 0,
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sun6i_codec_lineout_vol_scale),
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SOC_DOUBLE("Headphone Playback Switch",
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SUN6I_CODEC_OM_DACA_CTRL,
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SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE,
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SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE, 1, 0),
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SOC_DOUBLE("Line Out Playback Switch",
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SUN6I_CODEC_MIC_CTRL,
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SUN6I_CODEC_MIC_CTRL_LINEOUTLEN,
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SUN6I_CODEC_MIC_CTRL_LINEOUTREN, 1, 0),
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/* Mixer pre-gains */
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SOC_SINGLE_TLV("Line In Playback Volume",
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SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_LINEING,
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@ -853,6 +881,11 @@ static const struct snd_soc_dapm_widget sun6i_codec_codec_dapm_widgets[] = {
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SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN6I_CODEC_OM_PA_CTRL,
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SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL, 0x3, 0x3, 0),
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SND_SOC_DAPM_OUTPUT("HP"),
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/* Line Out path */
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SND_SOC_DAPM_MUX("Line Out Source Playback Route",
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SND_SOC_NOPM, 0, 0, sun6i_codec_lineout_src),
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SND_SOC_DAPM_OUTPUT("LINEOUT"),
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};
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static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
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@ -878,6 +911,12 @@ static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
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{ "Headphone Amp", NULL, "Headphone Source Playback Route" },
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{ "HP", NULL, "Headphone Amp" },
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{ "HPCOM", NULL, "HPCOM Protection" },
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/* Line Out Routes */
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{ "Line Out Source Playback Route", "Stereo", "Left Mixer" },
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{ "Line Out Source Playback Route", "Stereo", "Right Mixer" },
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{ "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
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{ "LINEOUT", NULL, "Line Out Source Playback Route" },
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};
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static struct snd_soc_codec_driver sun6i_codec_codec = {
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