diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 2ec7a43975f6..15d08e343b47 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -64,8 +64,11 @@
 #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_LNG			(26)
 #define SUN4I_CODEC_DAC_ACTL_FMG			(23)
 #define SUN4I_CODEC_DAC_ACTL_MICG			(20)
+#define SUN4I_CODEC_DAC_ACTL_LLNS			(19)
+#define SUN4I_CODEC_DAC_ACTL_RLNS			(18)
 #define SUN4I_CODEC_DAC_ACTL_LFMS			(17)
 #define SUN4I_CODEC_DAC_ACTL_RFMS			(16)
 #define SUN4I_CODEC_DAC_ACTL_LDACLMIXS			(15)
@@ -106,6 +109,7 @@
 #define SUN4I_CODEC_ADC_ACTL_PREG2			(23)
 #define SUN4I_CODEC_ADC_ACTL_VADCG			(20)
 #define SUN4I_CODEC_ADC_ACTL_ADCIS			(17)
+#define SUN4I_CODEC_ADC_ACTL_LNPREG			(13)
 #define SUN4I_CODEC_ADC_ACTL_PA_EN			(4)
 #define SUN4I_CODEC_ADC_ACTL_DDE			(3)
 #define SUN4I_CODEC_ADC_DEBUG			(0x2c)
@@ -686,6 +690,10 @@ 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_linein_loopback_gain_scale, -150, 150,
+			    0);
+static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_preamp_gain_scale, -1200, 300,
+			    0);
 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,
@@ -701,6 +709,12 @@ 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("Line Playback Volume", SUN4I_CODEC_DAC_ACTL,
+		       SUN4I_CODEC_DAC_ACTL_LNG, 1, 0,
+		       sun4i_codec_linein_loopback_gain_scale),
+	SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL,
+		       SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0,
+		       sun4i_codec_linein_preamp_gain_scale),
 	SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
 		       SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
 		       sun4i_codec_fmin_loopback_gain_scale),
@@ -719,6 +733,12 @@ static const struct snd_kcontrol_new sun7i_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("Line Playback Volume", SUN4I_CODEC_DAC_ACTL,
+		       SUN4I_CODEC_DAC_ACTL_LNG, 1, 0,
+		       sun4i_codec_linein_loopback_gain_scale),
+	SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL,
+		       SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0,
+		       sun4i_codec_linein_preamp_gain_scale),
 	SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
 		       SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
 		       sun4i_codec_fmin_loopback_gain_scale),
@@ -743,6 +763,9 @@ 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("Line Playback Switch", SUN4I_CODEC_DAC_ACTL,
+			SUN4I_CODEC_DAC_ACTL_LLNS,
+			SUN4I_CODEC_DAC_ACTL_RLNS, 1, 0),
 	SOC_DAPM_DOUBLE("FM Playback Switch", SUN4I_CODEC_DAC_ACTL,
 			SUN4I_CODEC_DAC_ACTL_LFMS,
 			SUN4I_CODEC_DAC_ACTL_RFMS, 1, 0),
@@ -814,6 +837,8 @@ 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("Line Right"),
+	SND_SOC_DAPM_INPUT("Line Left"),
 	SND_SOC_DAPM_INPUT("FM Right"),
 	SND_SOC_DAPM_INPUT("FM Left"),
 	SND_SOC_DAPM_INPUT("Mic1"),
@@ -836,6 +861,7 @@ 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", "Line Playback Switch", "Line Right" },
 	{ "Right Mixer", "FM Playback Switch", "FM Right" },
 	{ "Right Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
 	{ "Right Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },
@@ -843,6 +869,7 @@ static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
 	/* Left Mixer Routes */
 	{ "Left Mixer", NULL, "Mixer Enable" },
 	{ "Left Mixer", "Left Mixer Left DAC Playback Switch", "Left DAC" },
+	{ "Left Mixer", "Line Playback Switch", "Line Left" },
 	{ "Left Mixer", "FM Playback Switch", "FM Left" },
 	{ "Left Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
 	{ "Left Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },