Commit b04240a6 authored Nov 25, 2018 by Jonas Karlman Committed by Mauro Carvalho Chehab Dec 03, 2018

media: v4l: Fix MPEG-2 slice Intra DC Precision validation



intra_dc_precision is a 2-bit integer [1]
allow use of all valid options, 8 - 11 bits precision

[1] ISO/IEC 13818-2 Table 6-13

Fixes: c27bb30e ("media: v4l: Add definitions for MPEG-2 slice format and metadata")

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Acked-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

parent aa35dc3c

drivers/media/v4l2-core/v4l2-ctrls.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1636,7 +1636,8 @@ static int std_validate(const struct v4l2_ctrl *ctrl, u32 idx,
		switch (p_mpeg2_slice_params->picture.intra_dc_precision) {
		case 0: /* 8 bits */
		case 1: /* 9 bits */
		case 11: /* 11 bits */
		case 2: /* 10 bits */
		case 3: /* 11 bits */
		break;
		default:
		return -EINVAL;

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