linux-stable/drivers/media/usb/usbtv
Ezequiel Garcia 24dd8d996f media: usbtv: Implement wait_prepare and wait_finish
This driver is currently specifying a vb2_queue lock,
which means it straightforward to implement wait_prepare
and wait_finish.

Having these callbacks releases the queue lock while blocking,
which improves latency by allowing for example streamoff
or qbuf operations while waiting in dqbuf.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-05-25 15:17:19 -04:00
..
Kconfig media: fix usage of whitespaces and on indentation 2018-01-04 13:12:01 -05:00
Makefile [media] usbtv: add audio support 2014-08-21 15:25:34 -05:00
usbtv-audio.c media: usb: make snd_pcm_hardware const 2017-08-20 08:05:10 -04:00
usbtv-core.c media: usbtv: Add USB ID 1f71:3306 to the UTV007 driver 2018-02-26 07:42:47 -05:00
usbtv-video.c media: usbtv: Implement wait_prepare and wait_finish 2018-05-25 15:17:19 -04:00
usbtv.h media: usbtv: Add SECAM support 2018-05-04 06:48:49 -04:00