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[media] ov2640: fix duplicate width+height returning from ov2640_select_win()

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ov2640_select_win() returns height and width values as part of struct
ov2640_win_size, so there is no point in modifying the passed height and
width parameters, too.

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Frank Schaefer 2017-04-16 14:35:44 -03:00 committed by Mauro Carvalho Chehab
parent 2f7711b2ad
commit 38eeb491cf
1 changed files with 7 additions and 11 deletions
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18
drivers/media/i2c/ov2640.c
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@ -778,21 +778,16 @@ static int ov2640_s_power(struct v4l2_subdev *sd, int on)
}
/* Select the nearest higher resolution for capture */
static const struct ov2640_win_size *ov2640_select_win(u32 *width, u32 *height)
static const struct ov2640_win_size *ov2640_select_win(u32 width, u32 height)
{
int i, default_size = ARRAY_SIZE(ov2640_supported_win_sizes) - 1;
for (i = 0; i < ARRAY_SIZE(ov2640_supported_win_sizes); i++) {
if (ov2640_supported_win_sizes[i].width >= *width &&
ov2640_supported_win_sizes[i].height >= *height) {
*width = ov2640_supported_win_sizes[i].width;
*height = ov2640_supported_win_sizes[i].height;
if (ov2640_supported_win_sizes[i].width >= width &&
ov2640_supported_win_sizes[i].height >= height)
return &ov2640_supported_win_sizes[i];
}
}
*width = ov2640_supported_win_sizes[default_size].width;
*height = ov2640_supported_win_sizes[default_size].height;
return &ov2640_supported_win_sizes[default_size];
}
@ -883,8 +878,7 @@ static int ov2640_get_fmt(struct v4l2_subdev *sd,
return -EINVAL;
if (!priv->win) {
u32 width = SVGA_WIDTH, height = SVGA_HEIGHT;
priv->win = ov2640_select_win(&width, &height);
priv->win = ov2640_select_win(SVGA_WIDTH, SVGA_HEIGHT);
priv->cfmt_code = MEDIA_BUS_FMT_UYVY8_2X8;
}
@ -909,7 +903,9 @@ static int ov2640_set_fmt(struct v4l2_subdev *sd,
return -EINVAL;
/* select suitable win */
win = ov2640_select_win(&mf->width, &mf->height);
win = ov2640_select_win(mf->width, mf->height);
mf->width = win->width;
mf->height = win->height;
mf->field = V4L2_FIELD_NONE;
mf->colorspace = V4L2_COLORSPACE_SRGB;