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authorHans Verkuil <hans.verkuil@cisco.com>2013-03-07 04:58:35 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-03-24 12:54:04 -0300
commitb20cc073c2e6a206ebe6449a9c1f1db98376981b (patch)
treee85927d26726dae0bfd18a6bef27b3bf1ba256b8 /drivers/staging/media
parent793d7b7ffe7e9d35e8c841b9115ee60a362b078e (diff)
downloadblackbird-op-linux-b20cc073c2e6a206ebe6449a9c1f1db98376981b.tar.gz
blackbird-op-linux-b20cc073c2e6a206ebe6449a9c1f1db98376981b.zip
[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')
-rw-r--r--drivers/staging/media/go7007/s2250-board.c7
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 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
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