media: ipu3-cio2: Use v4l2_get_link_freq helper

Use v4l2_get_link_freq helper and add support for sensor drivers
implementing only V4L2_CID_PIXEL_RATE.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Sakari Ailus 2020-10-13 17:01:10 +02:00 • committed by Mauro Carvalho Chehab
commit 4b6c129e87