target/linux/bcm27xx/patches-6.1/950-0256-media-bcm2835-unicam-Reinstate-V4L2_CAP_READWRITE-in.patch

   1 From 2176d77634f7dc1c14a1214efe6068c785dc2b84 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Tue, 7 Jul 2020 14:23:40 +0100
   4 Subject: [PATCH] media: bcm2835-unicam: Reinstate V4L2_CAP_READWRITE
   5  in the caps
   6
   7 v4l2-compliance throws a failure if the device doesn't advertise
   8 V4L2_CAP_READWRITE but allows read or write operations.
   9 We do support read, so reinstate the flag.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  drivers/media/platform/bcm2835/bcm2835-unicam.c | 4 ++--
  14  1 file changed, 2 insertions(+), 2 deletions(-)
  15
  16 --- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
  17 +++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
  18 @@ -2420,8 +2420,8 @@ static int register_node(struct unicam_d
  19         vdev->queue = q;
  20         vdev->lock = &node->lock;
  21         vdev->device_caps = (pad_id == IMAGE_PAD) ?
  22 -                           (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING) :
  23 -                           (V4L2_CAP_META_CAPTURE | V4L2_CAP_STREAMING);
  24 +                               V4L2_CAP_VIDEO_CAPTURE : V4L2_CAP_META_CAPTURE;
  25 +       vdev->device_caps |= V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
  26
  27         /* Define the device names */
  28         snprintf(vdev->name, sizeof(vdev->name), "%s-%s", UNICAM_MODULE_NAME,