From: Hans Verkuil Date: Fri, 31 Jan 2014 13:32:16 +0000 (-0300) Subject: upstream: [media] v4l2-dv-timings: mention missing 'reduced blanking V2' X-Git-Tag: submit/tizen/20141121.110247~987 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0033441952147082bd36f90f49c8f725b2938d11;p=platform%2Fkernel%2Flinux-3.10.git upstream: [media] v4l2-dv-timings: mention missing 'reduced blanking V2' The VESA standard added a version 2 of the reduced blanking formula. Note in the comment that this is not yet supported by the v4l2_detect_cvt function. Obviously this should be implemented eventually, but for now add this as a reminder. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c index f7902fe..f63a6bd 100644 --- a/drivers/media/v4l2-core/v4l2-dv-timings.c +++ b/drivers/media/v4l2-core/v4l2-dv-timings.c @@ -324,6 +324,10 @@ EXPORT_SYMBOL_GPL(v4l2_print_dv_timings); * This function will attempt to detect if the given values correspond to a * valid CVT format. If so, then it will return true, and fmt will be filled * in with the found CVT timings. + * + * TODO: VESA defined a new version 2 of their reduced blanking + * formula. Support for that is currently missing in this CVT + * detection function. */ bool v4l2_detect_cvt(unsigned frame_height, unsigned hfreq, unsigned vsync, u32 polarities, struct v4l2_dv_timings *fmt)