From b20cc073c2e6a206ebe6449a9c1f1db98376981b Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Thu, 7 Mar 2013 04:58:35 -0300 Subject: [PATCH] [media] s2250: add comment describing the hardware Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/go7007/s2250-board.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/staging/media/go7007/s2250-board.c b/drivers/staging/media/go7007/s2250-board.c index cb364273ae8f..beaa98b9c85a 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 -- 2.30.2