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If requests are not supported by the driver, then return EACCES, not EPERM. If you attempt to mix queueing buffers directly and using requests, then EBUSY is returned instead of EPERM: once a specific queueing mode has been chosen the queue is 'busy' if you attempt the other mode (i.e. direct queueing vs via a request). Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reviewed-by: Tomasz Figa <tfiga@chromium.org> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> |
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.. | ||
cec | ||
common | ||
dvb-core | ||
dvb-frontends | ||
firewire | ||
i2c | ||
mmc | ||
pci | ||
platform | ||
radio | ||
rc | ||
spi | ||
tuners | ||
usb | ||
v4l2-core | ||
Kconfig | ||
Makefile | ||
media-device.c | ||
media-devnode.c | ||
media-entity.c | ||
media-request.c |