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authorMarco Felsch <m.felsch@pengutronix.de>2018-06-28 18:20:33 +0200
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-09-17 19:20:25 +0200
commitbd24db04101f45a9c1d874fe21b0c7eab7bcadec (patch)
tree5fe4247a7d708da93f7d27669dfb2c37a8105029 /drivers/media/i2c/tvp5150.c
parentmedia: v4l2-mc: get rid of global pad indexes (diff)
downloadlinux-bd24db04101f45a9c1d874fe21b0c7eab7bcadec.tar.xz
linux-bd24db04101f45a9c1d874fe21b0c7eab7bcadec.zip
media: tvp5150: fix width alignment during set_selection()
The driver ignored the width alignment which exists due to the UYVY colorspace format. Fix the width alignment and make use of the the provided v4l2 helper function to set the width, height and all alignments in one. Fixes: 963ddc63e20d ("[media] media: tvp5150: Add cropping support") Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/i2c/tvp5150.c')
-rw-r--r--drivers/media/i2c/tvp5150.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 92af47f2565e..7dda77a4e6dc 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -907,9 +907,6 @@ static int tvp5150_set_selection(struct v4l2_subdev *sd,
/* tvp5150 has some special limits */
rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
- rect.width = clamp_t(unsigned int, rect.width,
- TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
- TVP5150_H_MAX - rect.left);
rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
/* Calculate height based on current standard */
@@ -923,9 +920,16 @@ static int tvp5150_set_selection(struct v4l2_subdev *sd,
else
hmax = TVP5150_V_MAX_OTHERS;
- rect.height = clamp_t(unsigned int, rect.height,
+ /*
+ * alignments:
+ * - 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);
+ hmax - rect.top, 0, 0);
tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,