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/openbmc/linux/include/media/
H A Dv4l2-common.hdiff 8ffbc6559493c64d6194c92d856196fdaeb8a5fb Wed Sep 12 06:32:50 CDT 2007 Hans Verkuil <hverkuil@xs4all.nl> V4L/DVB (6451): v4l2: add support for bus-based I2C drivers

Two new headers were added: one for I2C drivers that are only used
by V4L2 drivers converted to the new bus-based I2C API, and one that
can be used by both converted and unconverted drivers (at the expense of
some additional overhead).

To support the legacy I2C API a helper function was added to v4l2-common.c.

These headers take care of all the 'boilerplate' code that all V4L2 I2C drivers
have in common and will automatically support the bus-based I2C API introduced
in kernel 2.6.22.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
/openbmc/linux/drivers/media/
H A DKconfigdiff a9254475bbfbed5f0596d952c6a3c9806e19dd0b Tue Jan 29 15:32:35 CST 2008 Mauro Carvalho Chehab <mchehab@infradead.org> V4L/DVB (7115): Fix bug #9833: regression when compiling V4L without I2C

Adrian Bunk reported:

> > Commit 8ffbc6559493c64d6194c92d856196fdaeb8a5fb causes the following
> > compile error with CONFIG_VIDEO_DEV=y/m, CONFIG_I2C=n:
> >
> > <-- snip -->
> >
> > ...
> > MODPOST 26 modules
> > ERROR: "i2c_attach_client" [drivers/media/video/v4l2-common.ko] undefined!
> > make[2]: *** [__modpost] Error 1
> >
> > <-- snip -->

...

And what should happen if CONFIG_VIDEO_DEV=y, CONFIG_I2C=m?

CC: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>