diff options
| author | Frej Drejhammar <frej.drejhammar@gmail.com> | 2008-03-23 22:43:21 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 14:07:55 -0300 |
| commit | 6d04203c7f49a4d93304b5754de5457297fa04eb (patch) | |
| tree | a76667e334af96bca870add2fc7f36f7cebedf95 /drivers/media/video/cx88/cx88-core.c | |
| parent | 1c412d1236b98bfc59fc694238cd26e6ed7f4f4b (diff) | |
V4L/DVB (7451): cx88: Add user control for chroma AGC
The cx2388x family has support for chroma AGC. This patch implements a
the V4L2_CID_CHROMA_AGC control for the cx2388x family. By default
chroma AGC is disabled, as in previous versions of the driver.
Signed-off-by: "Frej Drejhammar <frej.drejhammar@gmail.com>"
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx88/cx88-core.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-core.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/video/cx88/cx88-core.c b/drivers/media/video/cx88/cx88-core.c index 75b581048f6e..dca9f3ae5fdf 100644 --- a/drivers/media/video/cx88/cx88-core.c +++ b/drivers/media/video/cx88/cx88-core.c @@ -929,7 +929,11 @@ int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm) dprintk(1,"set_tvnorm: MO_INPUT_FORMAT 0x%08x [old=0x%08x]\n", cxiformat, cx_read(MO_INPUT_FORMAT) & 0x0f); - cx_andor(MO_INPUT_FORMAT, 0xf, cxiformat); + /* Chroma AGC must be disabled if SECAM is used */ + if (norm & V4L2_STD_SECAM) + cx_andor(MO_INPUT_FORMAT, 0x40f, cxiformat); + else + cx_andor(MO_INPUT_FORMAT, 0xf, cxiformat); // FIXME: as-is from DScaler dprintk(1,"set_tvnorm: MO_OUTPUT_FORMAT 0x%08x [old=0x%08x]\n", |