diff options
| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-03-14 16:33:33 -0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-21 08:53:41 -0800 |
| commit | f89982a978974cc2fb74f512d7ec7438e0e851ea (patch) | |
| tree | da9f6499f89f73fd0308f6ec98839ed41d5bba20 /drivers/media | |
| parent | f5762e441d5022ecc5b66b5fe54e41e2ac5d02be (diff) | |
| download | linux-f89982a978974cc2fb74f512d7ec7438e0e851ea.tar.bz2 | |
V4L/DVB (3514): SAA7113 doesn't have auto std chroma detection mode
This patch makes chroma standard selection based at possible values,
according with datasheet.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/saa7115.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c index 7050d81c0242..498d9aaec1e5 100644 --- a/drivers/media/video/saa7115.c +++ b/drivers/media/video/saa7115.c @@ -713,6 +713,35 @@ static void saa7115_set_v4lstd(struct i2c_client *client, v4l2_std_id std) saa7115_writeregs(client, saa7115_cfg_50hz_video); } + /* Register 0E - Bits D6-D4 on NO-AUTO mode + (SAA7113 doesn't have auto mode) + 50 Hz / 625 lines 60 Hz / 525 lines + 000 PAL BGDHI (4.43Mhz) NTSC M (3.58MHz) + 001 NTSC 4.43 (50 Hz) PAL 4.43 (60 Hz) + 010 Combination-PAL N (3.58MHz) NTSC 4.43 (60 Hz) + 011 NTSC N (3.58MHz) PAL M (3.58MHz) + 100 reserved NTSC-Japan (3.58MHz) + */ + if (state->ident == V4L2_IDENT_SAA7113) { + u8 reg = saa7115_read(client, 0x0e) & 0x8f; + + if (std & V4L2_STD_PAL) { + if (std == V4L2_STD_PAL_M) { + reg|=0x30; + } else if (std == V4L2_STD_PAL_N) { + reg|=0x20; + } else if (std == V4L2_STD_PAL_60) { + reg|=0x10; + } + } else if (std & V4L2_STD_NTSC) { + if (std == V4L2_STD_NTSC_M_JP) { + reg|=0x40; + } + } + saa7115_write(client, 0x0e, reg); + } + + state->std = std; /* restart task B if needed */ |