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[media] add raw video stream support for Samsung SUR40

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This patch adds raw video support for the Samsung SUR40 using vbuf2-dma-sg.
All tests from v4l2-compliance pass. Support for VB2_USERPTR is currently
disabled due to unexpected interference with dma-sg buffer sizes.

Signed-off-by: Florian Echtler <floe@butterbrot.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: fix compile warning: %ld -> %zd]

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Florian Echtler
2015-03-16 06:48:23 -03:00
committed by Mauro Carvalho Chehab
parent 5f85348732
commit e831cd251f
2 changed files with 423 additions and 16 deletions
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2
drivers/input/touchscreen/Kconfig
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@@ -953,7 +953,9 @@ config TOUCHSCREEN_SUN4I
config TOUCHSCREEN_SUR40
tristate "Samsung SUR40 (Surface 2.0/PixelSense) touchscreen"
depends on USB
depends on MEDIA_USB_SUPPORT
select INPUT_POLLDEV
select VIDEOBUF2_DMA_SG
help
Say Y here if you want support for the Samsung SUR40 touchscreen
(also known as Microsoft Surface 2.0 or Microsoft PixelSense).