media: tvp5150: fix width alignment during set_selection()
authorMarco Felsch <m.felsch@pengutronix.de>
Thu, 28 Jun 2018 16:20:33 +0000 (12:20 -0400)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Mon, 17 Sep 2018 17:20:25 +0000 (13:20 -0400)
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>
drivers/media/i2c/tvp5150.c

index 92af47f2565e4bc2e129e2e19146b566805b7a04..7dda77a4e6dc0cf75f4974e361d4928407f043f0 100644 (file)
@@ -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,