[PATCH v14 5/8] ASoC: sun4i-codec: Add FM Playback Volume, FM Left, FM Right, FM Playback Switch

[Danny Milosavljevic <dannym@scratchpost.org>]

Add FM Playback Volume for Allwinner A10 and Allwinner A20.
Add FM Left, FM Right, FM Playback Switch for Allwinner A10 and Allwinner A20.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>
---
 sound/soc/sunxi/sun4i-codec.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 0add2c44115c..3bc3f2012bc6 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -64,7 +64,10 @@
 #define SUN4I_CODEC_DAC_ACTL_DACAENR			(31)
 #define SUN4I_CODEC_DAC_ACTL_DACAENL			(30)
 #define SUN4I_CODEC_DAC_ACTL_MIXEN			(29)
+#define SUN4I_CODEC_DAC_ACTL_FMG			(23)
 #define SUN4I_CODEC_DAC_ACTL_MICG			(20)
+#define SUN4I_CODEC_DAC_ACTL_LFMS			(17)
+#define SUN4I_CODEC_DAC_ACTL_RFMS			(16)
 #define SUN4I_CODEC_DAC_ACTL_LDACLMIXS			(15)
 #define SUN4I_CODEC_DAC_ACTL_RDACRMIXS			(14)
 #define SUN4I_CODEC_DAC_ACTL_LDACRMIXS			(13)
@@ -683,6 +686,8 @@ static const struct snd_kcontrol_new sun4i_codec_pa_mute =
 			SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
 
 static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
+static DECLARE_TLV_DB_SCALE(sun4i_codec_fmin_loopback_gain_scale, -450, 150,
+			    0);
 static DECLARE_TLV_DB_SCALE(sun4i_codec_micin_loopback_gain_scale, -450, 150,
 			    0);
 static DECLARE_TLV_DB_RANGE(sun4i_codec_micin_preamp_gain_scale,
@@ -696,6 +701,9 @@ static const struct snd_kcontrol_new sun4i_codec_controls[] = {
 	SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
 		       SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
 		       sun4i_codec_pa_volume_scale),
+	SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
+		       SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
+		       sun4i_codec_fmin_loopback_gain_scale),
 	SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL,
 		       SUN4I_CODEC_DAC_ACTL_MICG, 7, 0,
 		       sun4i_codec_micin_loopback_gain_scale),
@@ -729,6 +737,9 @@ static const struct snd_kcontrol_new sun4i_codec_mixer_controls[] = {
 	SOC_DAPM_SINGLE("Right Mixer Left DAC Playback Switch",
 			SUN4I_CODEC_DAC_ACTL,
 			SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0),
+	SOC_DAPM_DOUBLE("FM Playback Switch", SUN4I_CODEC_DAC_ACTL,
+			SUN4I_CODEC_DAC_ACTL_LFMS,
+			SUN4I_CODEC_DAC_ACTL_RFMS, 1, 0),
 	SOC_DAPM_DOUBLE("Mic1 Playback Switch", SUN4I_CODEC_DAC_ACTL,
 			SUN4I_CODEC_DAC_ACTL_MIC1LS,
 			SUN4I_CODEC_DAC_ACTL_MIC1RS, 1, 0),
@@ -797,6 +808,8 @@ static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
 	SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0,
 			    &sun4i_codec_pa_mute),
 
+	SND_SOC_DAPM_INPUT("FM Right"),
+	SND_SOC_DAPM_INPUT("FM Left"),
 	SND_SOC_DAPM_INPUT("Mic1"),
 	SND_SOC_DAPM_INPUT("Mic2"),
 
@@ -817,12 +830,14 @@ static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
 	{ "Right Mixer", NULL, "Mixer Enable" },
 	{ "Right Mixer", "Right Mixer Left DAC Playback Switch", "Left DAC" },
 	{ "Right Mixer", "Right Mixer Right DAC Playback Switch", "Right DAC" },
+	{ "Right Mixer", "FM Playback Switch", "FM Right" },
 	{ "Right Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
 	{ "Right Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },
 
 	/* Left Mixer Routes */
 	{ "Left Mixer", NULL, "Mixer Enable" },
 	{ "Left Mixer", "Left Mixer Left DAC Playback Switch", "Left DAC" },
+	{ "Left Mixer", "FM Playback Switch", "FM Left" },
 	{ "Left Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
 	{ "Left Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },