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| author | Anatolij Gustschin <agust@denx.de> | 2010-12-22 17:31:58 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-12-29 08:17:16 -0200 |
| commit | f9d7d787842e92bc768d282f37fc3056c5441ddb (patch) | |
| tree | 6143a6f97bbef123f32cfd90ae7862a785edd40f /drivers/media/video/saa7115.c | |
| parent | 641d21167f66ef4c574ef4f586fec0ae32179acd (diff) | |
| download | linux-f9d7d787842e92bc768d282f37fc3056c5441ddb.tar.gz linux-f9d7d787842e92bc768d282f37fc3056c5441ddb.tar.bz2 linux-f9d7d787842e92bc768d282f37fc3056c5441ddb.zip | |
[media] saa7115: allow input standard autodetection for more chips
Autodetect input's standard using field frequency detection
feature (FIDT in status byte at 0x1F) of the chips saa7111/
saa7111a/saa7113/saa7114/saa7118.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7115.c')
| -rw-r--r-- | drivers/media/video/saa7115.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c index 301c62b88cad..f35459d1f42f 100644 --- a/drivers/media/video/saa7115.c +++ b/drivers/media/video/saa7115.c @@ -1348,8 +1348,17 @@ static int saa711x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) int reg1e; *std = V4L2_STD_ALL; - if (state->ident != V4L2_IDENT_SAA7115) + if (state->ident != V4L2_IDENT_SAA7115) { + int reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC); + + if (reg1f & 0x20) + *std = V4L2_STD_525_60; + else + *std = V4L2_STD_625_50; + return 0; + } + reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC); switch (reg1e & 0x03) { |