openwrt/target/linux/bcm27xx/patches-5.4/950-0888-media-bcm2835-unicam-Reinstate-V4L2_CAP_READWRITE-in.patch
Álvaro Fernández Rojas f07e572f64 bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-18 23:42:32 +01:00

29 lines
1.2 KiB
Diff

From 6253cd2eee555c6b2779667cc41ee1d75aa85034 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Tue, 7 Jul 2020 14:23:40 +0100
Subject: [PATCH] media: bcm2835-unicam: Reinstate V4L2_CAP_READWRITE
in the caps
v4l2-compliance throws a failure if the device doesn't advertise
V4L2_CAP_READWRITE but allows read or write operations.
We do support read, so reinstate the flag.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/media/platform/bcm2835/bcm2835-unicam.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
@@ -2416,8 +2416,8 @@ static int register_node(struct unicam_d
vdev->queue = q;
vdev->lock = &node->lock;
vdev->device_caps = (pad_id == IMAGE_PAD) ?
- (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING) :
- (V4L2_CAP_META_CAPTURE | V4L2_CAP_STREAMING);
+ V4L2_CAP_VIDEO_CAPTURE : V4L2_CAP_META_CAPTURE;
+ vdev->device_caps |= V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
/* Define the device names */
snprintf(vdev->name, sizeof(vdev->name), "%s-%s", UNICAM_MODULE_NAME,