Data buffers on the stack are not allowed for USB I/O. Use dynamically
allocated buffers instead.
Signed-off-by: NBruce Schmid <duck@freescale.com>
Signed-off-by: NLaurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Although the V4L2 spec states that the minimum and maximum fields may not be
valid for control types other than V4L2_CTRL_TYPE_INTEGER, it makes sense
to set the bounds to 0 and 1 for boolean controls instead of returning
uninitialized values.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

V4L2 and UVC enumerate the auto-exposure settings in a different order. This
patch fixes the auto-exposure menu declaration to match the V4L2 spec.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Also remove some blank lines that were used to split compat code at -devel
tree.
Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

This driver supports video input devices compliant with the USB Video Class
specification. This means lots of currently manufactured webcams, and probably
most of the future ones.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>