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author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-07 07:58:35 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 15:54:04 (GMT) |
commit | b20cc073c2e6a206ebe6449a9c1f1db98376981b (patch) | |
tree | e85927d26726dae0bfd18a6bef27b3bf1ba256b8 /drivers/staging/media/go7007 | |
parent | 793d7b7ffe7e9d35e8c841b9115ee60a362b078e (diff) | |
download | linux-b20cc073c2e6a206ebe6449a9c1f1db98376981b.tar.xz |
[media] s2250: add comment describing the hardware
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/staging/media/go7007')
-rw-r--r-- | drivers/staging/media/go7007/s2250-board.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/staging/media/go7007/s2250-board.c b/drivers/staging/media/go7007/s2250-board.c index cb36427..beaa98b 100644 --- a/drivers/staging/media/go7007/s2250-board.c +++ b/drivers/staging/media/go7007/s2250-board.c @@ -29,6 +29,13 @@ MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver"); MODULE_LICENSE("GPL v2"); +/* + * Note: this board has two i2c devices: a vpx3226f and a tlv320aic23b. + * Due to the unusual way these are accessed on this device we do not + * reuse the i2c drivers, but instead they are implemented in this + * driver. It would be nice to improve on this, though. + */ + #define TLV320_ADDRESS 0x34 #define VPX322_ADDR_ANALOGCONTROL1 0x02 #define VPX322_ADDR_BRIGHTNESS0 0x0127 |