Applied "ASoC: sun4i-codec: Add support for A31 Line Out playback" to the asoc tree

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The patch

   ASoC: sun4i-codec: Add support for A31 Line Out playback

has been applied to the asoc tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
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to this mail.

Thanks,
Mark

>From 0f909f98d7cbabc3641a45da9c6891444b929a92 Mon Sep 17 00:00:00 2001
From: Chen-Yu Tsai <wens@xxxxxxxx>
Date: Thu, 3 Nov 2016 15:55:50 +0800
Subject: [PATCH] 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@xxxxxxxx>
Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 sound/soc/sunxi/sun4i-codec.c | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 72a84f76aa57..a10251f4932e 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -794,11 +794,31 @@ static const struct snd_kcontrol_new sun6i_codec_hp_src[] = {
 		      sun6i_codec_hp_src_enum),
 };
 
+/* line out controls */
+static const char * const sun6i_codec_lineout_src_enum_text[] = {
+	"Stereo", "Mono Differential",
+};
+
+static SOC_ENUM_DOUBLE_DECL(sun6i_codec_lineout_src_enum,
+			    SUN6I_CODEC_MIC_CTRL,
+			    SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC,
+			    SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC,
+			    sun6i_codec_lineout_src_enum_text);
+
+static const struct snd_kcontrol_new sun6i_codec_lineout_src[] = {
+	SOC_DAPM_ENUM("Line Out Source Playback Route",
+		      sun6i_codec_lineout_src_enum),
+};
+
 /* volume / mute controls */
 static const DECLARE_TLV_DB_SCALE(sun6i_codec_dvol_scale, -7308, 116, 0);
 static const DECLARE_TLV_DB_SCALE(sun6i_codec_hp_vol_scale, -6300, 100, 1);
 static const DECLARE_TLV_DB_SCALE(sun6i_codec_out_mixer_pregain_scale,
 				  -450, 150, 0);
+static const DECLARE_TLV_DB_RANGE(sun6i_codec_lineout_vol_scale,
+	0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
+	2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
+);
 
 static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = {
 	SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
@@ -808,10 +828,18 @@ static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = {
 		       SUN6I_CODEC_OM_DACA_CTRL,
 		       SUN6I_CODEC_OM_DACA_CTRL_HPVOL, 0x3f, 0,
 		       sun6i_codec_hp_vol_scale),
+	SOC_SINGLE_TLV("Line Out Playback Volume",
+		       SUN6I_CODEC_MIC_CTRL,
+		       SUN6I_CODEC_MIC_CTRL_LINEOUTVC, 0x1f, 0,
+		       sun6i_codec_lineout_vol_scale),
 	SOC_DOUBLE("Headphone Playback Switch",
 		   SUN6I_CODEC_OM_DACA_CTRL,
 		   SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE,
 		   SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE, 1, 0),
+	SOC_DOUBLE("Line Out Playback Switch",
+		   SUN6I_CODEC_MIC_CTRL,
+		   SUN6I_CODEC_MIC_CTRL_LINEOUTLEN,
+		   SUN6I_CODEC_MIC_CTRL_LINEOUTREN, 1, 0),
 	/* Mixer pre-gains */
 	SOC_SINGLE_TLV("Line In Playback Volume",
 		       SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_LINEING,
@@ -853,6 +881,11 @@ static const struct snd_soc_dapm_widget sun6i_codec_codec_dapm_widgets[] = {
 	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN6I_CODEC_OM_PA_CTRL,
 			 SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL, 0x3, 0x3, 0),
 	SND_SOC_DAPM_OUTPUT("HP"),
+
+	/* Line Out path */
+	SND_SOC_DAPM_MUX("Line Out Source Playback Route",
+			 SND_SOC_NOPM, 0, 0, sun6i_codec_lineout_src),
+	SND_SOC_DAPM_OUTPUT("LINEOUT"),
 };
 
 static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
@@ -878,6 +911,12 @@ static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
 	{ "Headphone Amp", NULL, "Headphone Source Playback Route" },
 	{ "HP", NULL, "Headphone Amp" },
 	{ "HPCOM", NULL, "HPCOM Protection" },
+
+	/* Line Out Routes */
+	{ "Line Out Source Playback Route", "Stereo", "Left Mixer" },
+	{ "Line Out Source Playback Route", "Stereo", "Right Mixer" },
+	{ "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
+	{ "LINEOUT", NULL, "Line Out Source Playback Route" },
 };
 
 static struct snd_soc_codec_driver sun6i_codec_codec = {
-- 
2.10.1

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