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media: v4l2-ctrl: Initialize _BUTTON and _CTRL_CLASS

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These two control types don't really need a default value,
as they are not expected to carry any value.

However, it's slightly clearer to initialize them explicitly
instead of falling back to the switch default.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Ezequiel Garcia 2019-06-06 12:12:53 -04:00 committed by Mauro Carvalho Chehab
parent 882f261874
commit 4b1f67dc8e
1 changed files with 4 additions and 0 deletions
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4
drivers/media/v4l2-core/v4l2-ctrls.c
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@ -1520,6 +1520,10 @@ static void std_init(const struct v4l2_ctrl *ctrl, u32 idx,
case V4L2_CTRL_TYPE_BOOLEAN:
ptr.p_s32[idx] = ctrl->default_value;
break;
case V4L2_CTRL_TYPE_BUTTON:
case V4L2_CTRL_TYPE_CTRL_CLASS:
ptr.p_s32[idx] = 0;
break;
case V4L2_CTRL_TYPE_U8:
ptr.p_u8[idx] = ctrl->default_value;
break;