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author | Hans Verkuil | 2007-02-24 00:55:14 +0100 |
---|---|---|
committer | Mauro Carvalho Chehab | 2007-03-01 16:09:44 +0100 |
commit | f3d092b84a855c44914fea0648695bef7d751266 (patch) | |
tree | 3ae7a87e18e83be2a39e00a2ae29f26299d1c272 /include/linux/videodev2.h | |
parent | V4L/DVB (5255): Fix cx25840 firmware loading. (diff) | |
download | kernel-qcow2-linux-f3d092b84a855c44914fea0648695bef7d751266.tar.gz kernel-qcow2-linux-f3d092b84a855c44914fea0648695bef7d751266.tar.xz kernel-qcow2-linux-f3d092b84a855c44914fea0648695bef7d751266.zip |
V4L/DVB (5304): Improve chip matching in v4l2_register
The chip matching in struct v4l2_register for VIDIOC_DBG_G/S_REGISTER
was rather primitive. It could not be extended to other busses besides
i2c and it lacked a way to.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'include/linux/videodev2.h')
-rw-r--r-- | include/linux/videodev2.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 65a165f918c9..e3ab047f90ef 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -1306,10 +1306,17 @@ struct v4l2_streamparm */ /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ + +#define V4L2_CHIP_MATCH_ALWAYS 0 /* Match always (match_chip is not used) */ +#define V4L2_CHIP_MATCH_HOST 1 /* Match against chip ID on host (0 for the host) */ +#define V4L2_CHIP_MATCH_I2C_DRIVER 2 /* Match against I2C driver ID */ +#define V4L2_CHIP_MATCH_I2C_ADDR 3 /* Match against I2C 7-bit address */ + struct v4l2_register { + __u32 match_type; /* Match type */ + __u32 match_chip; /* Match this chip, meaning determined by match_type */ __u64 reg; - __u32 i2c_id; /* I2C driver ID of the I2C chip, or 0 for the host */ - __u32 val; + __u64 val; }; /* |