V4L/DVB (9570): uvcvideo: Handle failed video GET_{MIN|MAX|DEF} requests more gracefully

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Failed requests will now generate a one-time warning message instead of the
usual "Failed to query..." error, which should be more user-friendly. The
driver will also recover automatically from failed GET_MIN/GET_MAX requests
when the device is half-broken without requiring the MINMAX quirk (fully
broken devices still need the quirk).

Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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Laurent Pinchart 2008-11-08 19:14:50 -03:00 • committed by Mauro Carvalho Chehab

parent 7e21fda17e

commit 44f0079ec7

4 changed files with 66 additions and 141 deletions

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126

drivers/media/video/uvc/uvc_driver.c

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4

drivers/media/video/uvc/uvc_v4l2.c

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63

drivers/media/video/uvc/uvc_video.c

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14

drivers/media/video/uvc/uvcvideo.h

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