dect/linux-2.6
Archived
14
0
Fork 0
Code Releases Activity

V4L/DVB (3371): Turn frame locked sound on, basic support for FM radio with TDA8275(a)

Browse source 
- Enabled audio PLL. This is mandatory for NICAM sound
- modify FM IF frequency to 5.5MHz for SAA7133/35 if tuner is tda8290

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hartmut Hackmann 2006-01-14 21:26:44 -02:00 committed by Mauro Carvalho Chehab
parent 436eddd035
commit 0f79c3637a
2 changed files with 14 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/media/video/saa7134/saa7134-cards.c
View file

@ -2515,6 +2515,7 @@ struct saa7134_board saa7134_boards[] = {
.tuner_addr = ADDR_UNSET,
.radio_addr = ADDR_UNSET,
.mpeg = SAA7134_MPEG_DVB,
.gpiomask = 1 << 21,
.inputs = {{
.name = name_tv,
.vmux = 1,
@ -2529,6 +2530,11 @@ struct saa7134_board saa7134_boards[] = {
.vmux = 8,
.amux = LINE1,
}},
.radio = {
.name = name_radio,
.amux = TV,
.gpio = 0x0200000,
},
},
[SAA7134_BOARD_MSI_TVATANYWHERE_PLUS] = {
.name = "MSI TV@Anywhere plus",

11
drivers/media/video/saa7134/saa7134-tvaudio.c
View file

@ -180,8 +180,8 @@ static void tvaudio_init(struct saa7134_dev *dev)
saa_writeb(SAA7134_AUDIO_CLOCK0, clock & 0xff);
saa_writeb(SAA7134_AUDIO_CLOCK1, (clock >> 8) & 0xff);
saa_writeb(SAA7134_AUDIO_CLOCK2, (clock >> 16) & 0xff);
// frame locked audio was reported not to be reliable
saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x02);
/* frame locked audio is mandatory for NICAM */
saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x01);
saa_writeb(SAA7134_NICAM_ERROR_LOW, 0x14);
saa_writeb(SAA7134_NICAM_ERROR_HIGH, 0x50);
@ -809,7 +809,12 @@ static int tvaudio_thread_ddep(void *data)
dprintk("ddep override: %s\n",stdres[audio_ddep]);
} else if (&card(dev).radio == dev->input) {
dprintk("FM Radio\n");
norms = (0x0f << 2) | 0x01;
if (dev->tuner_type == TUNER_PHILIPS_TDA8290) {
norms = (0x11 << 2) | 0x01;
saa_dsp_writel(dev, 0x42c >> 2, 0x729555);
} else {
norms = (0x0f << 2) | 0x01;
}
} else {
/* (let chip) scan for sound carrier */
norms = 0;