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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 18:04:33 +0100 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-19 07:17:21 +0100 |
commit | 62b7f5931c54e96fca56dd8761b0e466d355c881 (patch) | |
tree | 1258b392752379833a075df006c2f6d7ac4be51d /target/linux/bcm27xx/patches-5.4/950-0644-Documentation-media-Update-sub-device-API-intro.patch | |
parent | 76d1168d0d4b9d76e2ad78c0fc6b255561deb284 (diff) | |
download | upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.tar.gz upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.tar.bz2 upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.zip |
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>
(cherry-picked from commit f07e572f64)
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0644-Documentation-media-Update-sub-device-API-intro.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0644-Documentation-media-Update-sub-device-API-intro.patch | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0644-Documentation-media-Update-sub-device-API-intro.patch b/target/linux/bcm27xx/patches-5.4/950-0644-Documentation-media-Update-sub-device-API-intro.patch deleted file mode 100644 index f843a83a7d..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0644-Documentation-media-Update-sub-device-API-intro.patch +++ /dev/null @@ -1,34 +0,0 @@ -From afd6952c4dfb0d4945b496ef08b2f478d6f40097 Mon Sep 17 00:00:00 2001 -From: Jacopo Mondi <jacopo@jmondi.org> -Date: Tue, 7 Apr 2020 17:21:55 +0200 -Subject: [PATCH] Documentation: media: Update sub-device API intro - -Update the V4L2 sub-device userspace API introduction to provide more -details on why complex devices might want to register devnodes for the -connected subdevices. - -Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> -Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> -Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> ---- - Documentation/media/kapi/v4l2-subdev.rst | 9 +++++++-- - 1 file changed, 7 insertions(+), 2 deletions(-) - ---- a/Documentation/media/kapi/v4l2-subdev.rst -+++ b/Documentation/media/kapi/v4l2-subdev.rst -@@ -275,8 +275,13 @@ system the .unbind() method is called. A - V4L2 sub-device userspace API - ----------------------------- - --Beside exposing a kernel API through the :c:type:`v4l2_subdev_ops` structure, --V4L2 sub-devices can also be controlled directly by userspace applications. -+Bridge drivers traditionally expose one or multiple video nodes to userspace, -+and control subdevices through the :c:type:`v4l2_subdev_ops` operations in -+response to video node operations. This hides the complexity of the underlying -+hardware from applications. For complex devices, finer-grained control of the -+device than what the video nodes offer may be required. In those cases, bridge -+drivers that implement :ref:`the media controller API <media_controller>` may -+opt for making the subdevice operations directly accessible from userpace. - - Device nodes named ``v4l-subdev``\ *X* can be created in ``/dev`` to access - sub-devices directly. If a sub-device supports direct userspace configuration |