diff options
| author | Hartmut Hackmann <hartmut.hackmann@t-online.de> | 2006-01-14 21:26:44 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@brturbo.com.br> | 2006-01-15 09:02:57 -0200 |
| commit | 0f79c3637a871c6ebcf8b8c1762725152d5a18d7 (patch) | |
| tree | 0e0479dd1b5476dc0835b1fb3a40fd270424e196 /drivers/media/video/saa7134/saa7134-tvaudio.c | |
| parent | 436eddd035c0ff807f4c64551a5a6edc7fb299d0 (diff) | |
V4L/DVB (3371): Turn frame locked sound on, basic support for FM radio with TDA8275(a)
- 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>
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-tvaudio.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-tvaudio.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c index 93268427750..afa4dcb3f96 100644 --- a/drivers/media/video/saa7134/saa7134-tvaudio.c +++ b/drivers/media/video/saa7134/saa7134-tvaudio.c @@ -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; |