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openwrt/target/linux/bcm27xx/patches-5.10/950-0239-media-bcm2835-unicam-Do-not-stop-streaming-in-unicam.patch
Álvaro Fernández Rojas 8299d1f057 bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-08-21 19:07:07 +02:00

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Diff

From 533e6df1f7cc3aa022319f4419b3a38e7b76ce16 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Wed, 29 Apr 2020 22:05:09 +0100
Subject: [PATCH] media: bcm2835-unicam: Do not stop streaming in
unicam_release
unicam_release calls _vb2_fop_release, which will call stop_streaming
if that particular node was streaming. Calling it unconditionally (as
the code was) means that if a second handle was opened eg to alter
a setting, on closing that connection it also stopped Unicam.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/media/platform/bcm2835/bcm2835-unicam.c | 3 ---
1 file changed, 3 deletions(-)
--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
@@ -2204,9 +2204,6 @@ static int unicam_release(struct file *f
if (fh_singular)
v4l2_subdev_call(sd, core, s_power, 0);
- if (node->streaming)
- unicam_stop_streaming(&node->buffer_queue);
-
node->open--;
mutex_unlock(&node->lock);