media: mt9m111: add s_stream callback

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Add callback to check if we are already streaming. Now other callbacks
can check the state and return -EBUSY if we already streaming.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

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Marco Felsch 2018-11-27 05:02:48 -05:00 • committed by Mauro Carvalho Chehab

parent 4f9d7225c7

commit 7784b1d278

1 changed files with 10 additions and 0 deletions

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drivers/media/i2c/mt9m111.c

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