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V4L/DVB (5304): Improve chip matching in v4l2_register

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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>
This commit is contained in:
Hans Verkuil
2007-02-23 20:55:14 -03:00
committed by Mauro Carvalho Chehab
parent d55c7aec66
commit f3d092b84a
14 changed files with 70 additions and 21 deletions
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8
include/media/v4l2-common.h
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@ -94,6 +94,14 @@ u32 v4l2_ctrl_next(const u32 * const *ctrl_classes, u32 id);
/* ------------------------------------------------------------------------- */
/* Register/chip ident helper function */
struct i2c_client; /* forward reference */
int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 id_type, u32 chip_id);
int v4l2_chip_match_host(u32 id_type, u32 chip_id);
/* ------------------------------------------------------------------------- */
/* Internal ioctls */
/* VIDIOC_INT_DECODE_VBI_LINE */