From: Hans Verkuil Date: Fri, 31 Jan 2014 13:32:16 +0000 (-0300) Subject: [media] v4l2-dv-timings: mention missing 'reduced blanking V2' X-Git-Tag: v3.15-rc1~85^2~408 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3be55e0407a0b0a6cfd5d1238aa4fa33e92ab133;p=karo-tx-linux.git [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 ee52b9f4a944..41bf3f9b6ca6 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)