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Martino Fontana 928276075f HID: nintendo: cleanup LED code
- Support player LED patterns up to 8 players.
  (Note that the behavior still consinsts in increasing the player number
  every time a controller is connected, never decreasing it. It should be
  as is described in https://bugzilla.kernel.org/show_bug.cgi?id=216225.
  However, any implementation here would stop making sense as soon as a
  non-Nintendo controller is connected, which is why I'm not bothering.)

- Split part of `joycon_home_led_brightness_set` (which is called by hid)
  into `joycon_set_home_led` (which is what actually sets the LEDs), for
  consistency with player LEDs.

- `joycon_player_led_brightness_set` won't try it to "determine which
  player led this is" anymore: it's already looking at every LED
  brightness value.

- Instead of first registering the `led_classdev`, then attempting to set
  the LED and unregistering the `led_classdev` if it fails, first attempt
  to set the LED, then register the `led_classdev` only if it succeeds
  (the class is still filled up in either case).

- If setting the player LEDs fails, still attempt setting the home LED.
  (I don't know there's a third party controller where this may actually
  happen, but who knows...)

- Use `JC_NUM_LEDS` where appropriate instead of 4.

- Print return codes in more places.

- Use spinlock instead of mutex for `input_num`. Copy its value to a local
  variable, so that it can be unlocked immediately.

- `input_num` starts counting from 0

- Less holding of mutexes in general.

Signed-off-by: Martino Fontana <tinozzo123@gmail.com>
Reviewed-by: Daniel J. Ogorchock <djogorchock@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
History 2023-10-04 21:07:04 +02:00
arch media updates for v6.6-rc1 2023-09-01 12:21:32 -07:00
block for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
certs certs: Reference revocation list for all keyrings 2023-08-17 20:12:41 +00:00
crypto This update includes the following changes: 2023-08-29 11:23:29 -07:00
Documentation for-linus-2023083101 2023-09-01 12:31:44 -07:00
drivers HID: nintendo: cleanup LED code 2023-10-04 21:07:04 +02:00
fs Char/Misc driver changes for 6.6-rc1 2023-09-01 09:53:54 -07:00
include for-linus-2023083101 2023-09-01 12:31:44 -07:00
init - An extensive rework of kexec and crash Kconfig from Eric DeVolder 2023-08-29 14:53:51 -07:00
io_uring for-6.6/io_uring-2023-08-28 2023-08-29 20:11:33 -07:00
ipc Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
kernel TTY/Serial driver changes for 6.6-rc1 2023-09-01 09:38:00 -07:00
lib Char/Misc driver changes for 6.6-rc1 2023-09-01 09:53:54 -07:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
net TTY/Serial driver changes for 6.6-rc1 2023-09-01 09:38:00 -07:00
rust Documentation work keeps chugging along; stuff for 6.6 includes: 2023-08-30 20:05:42 -07:00
samples VFIO updates for v6.6-rc1 2023-08-30 20:36:01 -07:00
scripts Documentation work keeps chugging along; stuff for 6.6 includes: 2023-08-30 20:05:42 -07:00
security Smack updates for v6.6. Two minor fixes. 2023-08-30 09:28:07 -07:00
sound TTY/Serial driver changes for 6.6-rc1 2023-09-01 09:38:00 -07:00
tools Char/Misc driver changes for 6.6-rc1 2023-09-01 09:53:54 -07:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt VFIO updates for v6.6-rc1 2023-08-30 20:36:01 -07:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Revert ".gitignore: ignore *.cover and *.mbx" 2023-07-04 15:05:12 -07:00
.mailmap for-linus-2023083101 2023-09-01 12:31:44 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS USB: Remove Wireless USB and UWB documentation 2023-08-09 14:17:32 +02:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS for-linus-2023083101 2023-09-01 12:31:44 -07:00
Makefile Rust changes for v6.6 2023-08-29 08:19:46 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.