From b04240a6d5ed5b219c1c7626d0e1f4f1acc0e2f5 Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Sun, 25 Nov 2018 10:21:42 -0500
Subject: [PATCH] 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: c27bb30e7b6d ("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>
---
drivers/media/v4l2-core/v4l2-ctrls.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 5f2b033a7a42..129a986fa7e1 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -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;
--
2.30.9