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V4L/DVB (10833): em28xx: enable Compro VideoMate ForYou sound 

Compro VideoMate uses an external audio DSP chip, controlled via tvaudio
module (tda9874a). This patch improves em28xx infrastructure to support
an external audio processor and fixes the Compro VideoMate entry to work
with it.

Signed-off-by: Vitaly Wool <vital@embeddedalley.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Vitaly Wool 2009-03-04 08:27:52 -03:00 committed by Mauro Carvalho Chehab
parent 3341cc6e86
commit 2bd1d9eb1c
5 changed files with 39 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/media/video/em28xx/em28xx-cards.c
View File

@ -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] = {

5
drivers/media/video/em28xx/em28xx-core.c
View File

@ -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;

6
drivers/media/video/em28xx/em28xx-i2c.c
View File

@ -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)",

7
drivers/media/video/em28xx/em28xx-video.c
View File

@ -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);
}

1
drivers/media/video/em28xx/em28xx.h
View File

@ -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;