[media] v4l: Add premultiplied alpha flag for pixel formats

When set, the new V4L2_PIX_FMT_FLAG_PREMUL_ALPHA flag indicates that the
pixel values are premultiplied by the alpha channel value.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 2e630005676f..e0bafda89e13 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -256,7 +256,8 @@ static void v4l_print_format(const void *arg, bool write_only)
                 pix = &p->fmt.pix;
                 pr_cont(", width=%u, height=%u, "
                         "pixelformat=%c%c%c%c, field=%s, "
-                        "bytesperline=%u, sizeimage=%u, colorspace=%d\n",
+                        "bytesperline=%u, sizeimage=%u, colorspace=%d, "
+                        "flags %u\n",
                         pix->width, pix->height,
                         (pix->pixelformat & 0xff),
                         (pix->pixelformat >>  8) & 0xff,
@@ -264,7 +265,7 @@ static void v4l_print_format(const void *arg, bool write_only)
                         (pix->pixelformat >> 24) & 0xff,
                         prt_names(pix->field, v4l2_field_names),
                         pix->bytesperline, pix->sizeimage,
-                        pix->colorspace);
+                        pix->colorspace, pix->flags);
                 break;
         case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
         case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: