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authorMarco Felsch <m.felsch@pengutronix.de>2020-03-12 13:31:47 +0300
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-03-12 18:37:46 +0300
commitb4125e5b1bd70d3d9c22f8926e99c87967d71734 (patch)
treec5834c76ac257701a5d2743e2692e445347335f5 /drivers/media
parentfc79884b00dc5c385bc04bec4cdcd556d0a39981 (diff)
downloadlinux-b4125e5b1bd70d3d9c22f8926e99c87967d71734.tar.xz
media: tvp5150: fix set_selection rectangle handling
Currently a local copy of sel->r is made and adapted to the hardware constraints. After the adaption the value is applied to the hardware but the driver forgot to reflect the adapted value to the user space. Drop the local copy and work directly on the requested rectangle instead to fix this. Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/i2c/tvp5150.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 90d4fd47f80d..38f02c23e352 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -1024,7 +1024,7 @@ static int tvp5150_set_selection(struct v4l2_subdev *sd,
struct v4l2_subdev_selection *sel)
{
struct tvp5150 *decoder = to_tvp5150(sd);
- struct v4l2_rect rect = sel->r;
+ struct v4l2_rect *rect = &sel->r;
v4l2_std_id std;
int hmax;
@@ -1033,11 +1033,11 @@ static int tvp5150_set_selection(struct v4l2_subdev *sd,
return -EINVAL;
dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
- __func__, rect.left, rect.top, rect.width, rect.height);
+ __func__, rect->left, rect->top, rect->width, rect->height);
/* tvp5150 has some special limits */
- rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
- rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
+ rect->left = clamp(rect->left, 0, TVP5150_MAX_CROP_LEFT);
+ rect->top = clamp(rect->top, 0, TVP5150_MAX_CROP_TOP);
/* Calculate height based on current standard */
if (decoder->norm == V4L2_STD_ALL)
@@ -1055,26 +1055,26 @@ static int tvp5150_set_selection(struct v4l2_subdev *sd,
* - width = 2 due to UYVY colorspace
* - height, image = no special alignment
*/
- v4l_bound_align_image(&rect.width,
- TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
- TVP5150_H_MAX - rect.left, 1, &rect.height,
- hmax - TVP5150_MAX_CROP_TOP - rect.top,
- hmax - rect.top, 0, 0);
+ v4l_bound_align_image(&rect->width,
+ TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect->left,
+ TVP5150_H_MAX - rect->left, 1, &rect->height,
+ hmax - TVP5150_MAX_CROP_TOP - rect->top,
+ hmax - rect->top, 0, 0);
- regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START, rect.top);
+ regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START, rect->top);
regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP,
- rect.top + rect.height - hmax);
+ rect->top + rect->height - hmax);
regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_MSB,
- rect.left >> TVP5150_CROP_SHIFT);
+ rect->left >> TVP5150_CROP_SHIFT);
regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_LSB,
- rect.left | (1 << TVP5150_CROP_SHIFT));
+ rect->left | (1 << TVP5150_CROP_SHIFT));
regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_MSB,
- (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
+ (rect->left + rect->width - TVP5150_MAX_CROP_LEFT) >>
TVP5150_CROP_SHIFT);
regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_LSB,
- rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
+ rect->left + rect->width - TVP5150_MAX_CROP_LEFT);
- decoder->rect = rect;
+ decoder->rect = *rect;
return 0;
}