media: ov2740: allow OTP data access during streaming

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OTP data access of ov2740 need enable the streaming mode to load
and it could be done in any time, so driver need allow the OTP
data access during streaming instead of return EBUSY, this patch
try to read the OTP data out in STREAMON if OTP data is not ready
before first time streaming start.

Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Qingwu Zhang <qingwu.zhang@intel.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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Bingbu Cao 2020-11-13 04:06:58 +01:00 • committed by Mauro Carvalho Chehab

parent 798f1a6b0e

commit 5e6fd339b6

1 changed files with 96 additions and 93 deletions

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drivers/media/i2c/ov2740.c

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