media: dvb_frontend: better document the -EPERM condition

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Two readonly ioctls can't be allowed if the frontend device
is opened in read only mode. Explain why.

Reviewed by: Shuah Khan <shuahkh@osg.samsung.com>

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

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Mauro Carvalho Chehab 2017-09-18 08:05:42 -04:00

parent ceb22c8eee

commit da5516b5e8

1 changed files with 17 additions and 3 deletions

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drivers/media/dvb-core/dvb_frontend.c

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