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V4L/DVB (12108): v4l2-i2c-drv.h: add comment describing when not to use this header.

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Make it very clear that this header should not be used for i2c drivers that
do not need to be compiled for pre-2.6.26 kernels.

As soon as the minimum supported kernel in the v4l-dvb repository becomes
2.6.26 or up, then this header should be removed entirely.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2009-06-14 07:12:11 -03:00 committed by Mauro Carvalho Chehab
parent be5daa9bd2
commit 719cd4ab96
1 changed files with 4 additions and 1 deletions
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5
include/media/v4l2-i2c-drv.h
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@ -22,7 +22,7 @@
*/
/* NOTE: the full version of this header is in the v4l-dvb repository
* and allows v4l i2c drivers to be compiled on older kernels as well.
* and allows v4l i2c drivers to be compiled on pre-2.6.26 kernels.
* The version of this header as it appears in the kernel is a stripped
* version (without all the backwards compatibility stuff) and so it
* looks a bit odd.
@ -30,6 +30,9 @@
* If you look at the full version then you will understand the reason
* for introducing this header since you really don't want to have all
* the tricky backwards compatibility code in each and every i2c driver.
*
* If the i2c driver will never be compiled for pre-2.6.26 kernels, then
* DO NOT USE this header! Just write it as a regular i2c driver.
*/
#ifndef __V4L2_I2C_DRV_H__