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a41231d52f
Currently, there's a mess at the V4L2 printk macros: some drivers use their own macros, others use pr_foo() or v4l_foo() macros, while more modern drivers use dev_foo() macros. The best is to get rid of v4l_foo() macros, as they can be replaced by either dev_foo() or pr_foo(). Yet, such change can be disruptive, as dev_foo() cannot use KERN_CONT. So, the best is to do such change driver by driver. There are replacements for most v4l_foo() macros, but it lacks a way to enable debug messages per level. So, add such macro, in order to make the conversion easier. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>