diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index f7c8177657526551c383735b5cf50d895b2e3447..650ccfda14288dbb1a81c84bfa20a9fb5c63ca6d 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -122,6 +122,22 @@ static struct em28xx_reg_seq default_tuner_gpio[] = {
 	{  -1,			-1,		-1,		-1},
 };
 
+/* Mute/unmute */
+static struct em28xx_reg_seq compro_unmute_tv_gpio[] = {
+	{EM28XX_R08_GPIO,	5,		7,		10},
+	{  -1,			-1,		-1,		-1},
+};
+
+static struct em28xx_reg_seq compro_unmute_svid_gpio[] = {
+	{EM28XX_R08_GPIO,	4,		7,		10},
+	{  -1,			-1,		-1,		-1},
+};
+
+static struct em28xx_reg_seq compro_mute_gpio[] = {
+	{EM28XX_R08_GPIO,	6,		7,		10},
+	{  -1,			-1,		-1,		-1},
+};
+
 /*
  *  Board definitions
  */
@@ -1225,14 +1241,17 @@ struct em28xx_board em28xx_boards[] = {
 		.tda9887_conf = TDA9887_PRESENT,
 		.decoder      = EM28XX_TVP5150,
 		.adecoder     = EM28XX_TVAUDIO,
+		.mute_gpio    = compro_mute_gpio,
 		.input        = { {
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = TVP5150_COMPOSITE0,
-			.amux     = EM28XX_AMUX_LINE_IN,
+			.amux     = EM28XX_AMUX_VIDEO,
+			.gpio     = compro_unmute_tv_gpio,
 		}, {
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = TVP5150_SVIDEO,
 			.amux     = EM28XX_AMUX_LINE_IN,
+			.gpio     = compro_unmute_svid_gpio,
 		} },
 	},
 	[EM2860_BOARD_KAIOMY_TVNPC_U2] = {
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index eee8d015b249c50470c602a5d9e92e117040dfad..c896d24032f581ea7bd453edb875b2f01099065f 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -378,6 +378,11 @@ static int em28xx_set_audio_source(struct em28xx *dev)
 		}
 	}
 
+	if (dev->board.mute_gpio && dev->mute)
+		em28xx_gpio_set(dev, dev->board.mute_gpio);
+	else
+		em28xx_gpio_set(dev, INPUT(dev->ctl_input)->gpio);
+
 	ret = em28xx_write_reg_bits(dev, EM28XX_R0E_AUDIOSRC, input, 0xc0);
 	if (ret < 0)
 		return ret;
diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c
index 2dab43d22da2d69615b20865290488dbfe07929d..02c12fe6361be60834745e8e76c1b87e1f42873e 100644
--- a/drivers/media/video/em28xx/em28xx-i2c.c
+++ b/drivers/media/video/em28xx/em28xx-i2c.c
@@ -510,12 +510,17 @@ static int attach_inform(struct i2c_client *client)
 		dprintk1(1, "attach_inform: tvp5150 detected.\n");
 		break;
 
+	case 0xb0:
+		dprintk1(1, "attach_inform: tda9874 detected\n");
+		break;
+
 	default:
 		if (!dev->tuner_addr)
 			dev->tuner_addr = client->addr;
 
 		dprintk1(1, "attach inform: detected I2C address %x\n",
 				client->addr << 1);
+		dprintk1(1, "driver id %d\n", client->driver->id);
 
 	}
 
@@ -554,6 +559,7 @@ static char *i2c_devs[128] = {
 	[0x80 >> 1] = "msp34xx",
 	[0x88 >> 1] = "msp34xx",
 	[0xa0 >> 1] = "eeprom",
+	[0xb0 >> 1] = "tda9874",
 	[0xb8 >> 1] = "tvp5150a",
 	[0xba >> 1] = "tvp5150a",
 	[0xc0 >> 1] = "tuner (analog)",
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index efd641587e04d6809633f138da2ab5344716335a..575472f1e7029ffcce9797354d8fb1c8ae797e63 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -540,6 +540,13 @@ static void video_mux(struct em28xx *dev, int index)
 			&route);
 	}
 
+	if (dev->board.adecoder != EM28XX_NOADECODER) {
+		route.input = dev->ctl_ainput;
+		route.output = dev->ctl_aoutput;
+		em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING,
+			&route);
+	}
+
 	em28xx_audio_analog_set(dev);
 }
 
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 57a4084f9b5e297721c0d3d9908e8d88d847d41b..a33a58da016e708feb5adb9f9912a048452ed46d 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -374,6 +374,7 @@ struct em28xx_board {
 	struct em28xx_reg_seq *dvb_gpio;
 	struct em28xx_reg_seq *suspend_gpio;
 	struct em28xx_reg_seq *tuner_gpio;
+	struct em28xx_reg_seq *mute_gpio;
 
 	unsigned int is_em2800:1;
 	unsigned int has_msp34xx:1;