[media] add raw video stream support for Samsung SUR40
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>
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 5891752..f8d16f1 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -953,7 +953,9 @@
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).