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media: nuvoton: npcm-video: Prevent returning unsupported resolutions

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To restrict the returned resolution due to Nuvoton SoC hardware
limitations.

Signed-off-by: Michael Chang <zhang971090220@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Michael Chang
2025-04-08 13:54:54 +08:00
committed by Hans Verkuil
parent 497f1fb947
commit e2ff320006
1 changed files with 2 additions and 2 deletions
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4
drivers/media/platform/nuvoton/npcm-video.c
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@@ -578,7 +578,7 @@ static unsigned int npcm_video_hres(struct npcm_video *video)
regmap_read(gfxi, HVCNTL, &hvcntl);
apb_hor_res = (((hvcnth & HVCNTH_MASK) << 8) + (hvcntl & HVCNTL_MASK) + 1);
return apb_hor_res;
return (apb_hor_res > MAX_WIDTH) ? MAX_WIDTH : apb_hor_res;
}
static unsigned int npcm_video_vres(struct npcm_video *video)
@@ -591,7 +591,7 @@ static unsigned int npcm_video_vres(struct npcm_video *video)
apb_ver_res = (((vvcnth & VVCNTH_MASK) << 8) + (vvcntl & VVCNTL_MASK));
return apb_ver_res;
return (apb_ver_res > MAX_HEIGHT) ? MAX_HEIGHT : apb_ver_res;
}
static int npcm_video_capres(struct npcm_video *video, unsigned int hor_res,