[media] media: ov2640: add async probe function

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In async probe, there is a case that ov2640 is probed before the
host device which provided 'mclk'.
To support this async probe, we will get 'mclk' at first in the probe(),
if failed it will return -EPROBE_DEFER. That will let ov2640 wait for
the host device probed.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

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Josh Wu 2015-03-01 22:52:38 -03:00 • committed by Mauro Carvalho Chehab

parent 0b9508aa03

commit f180ebae1a

1 changed files with 22 additions and 14 deletions

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drivers/media/i2c/soc_camera/ov2640.c

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