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Hans de Goede 91c7ca226a ACPI: video: Fix apple gmux detection [ Upstream commit `b0935f110c` ] Some apple laptop models have an ACPI device with a HID of APP000B and that device has an IO resource (so it does not describe the new unsupported MMIO based gmux type), but there actually is no gmux in the laptop at all. The gmux_probe() function of the actual apple-gmux driver has code to detect this, this code has been factored out into a new apple_gmux_detect() helper in apple-gmux.h. Use this new function to fix acpi_video_get_backlight_type() wrongly returning apple_gmux as type on the following laptops: MacBookPro5,4 https://pastebin.com/8Xjq7RhS MacBookPro8,1 https://linux-hardware.org/?probe=e513cfbadb&log=dmesg MacBookPro9,2 https://bugzilla.kernel.org/attachment.cgi?id=278961 MacBookPro10,2 https://lkml.org/lkml/2014/9/22/657 MacBookPro11,2 https://forums.fedora-fr.org/viewtopic.php?id=70142 MacBookPro11,4 https://raw.githubusercontent.com/im-0/investigate-card-reader-suspend-problem-on-mbp11.4/mast Fixes: `21245df307` ("ACPI: video: Add Apple GMUX brightness control detection") Link: https://lore.kernel.org/platform-driver-x86/20230123113750.462144-1-hdegoede@redhat.com/ Reported-by: Emmanouil Kouroupakis <kartebi@gmail.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20230124105754.62167-4-hdegoede@redhat.com Signed-off-by: Sasha Levin <sashal@kernel.org>		History 2023-02-01 08:34:46 +01:00
arch	ARM: 9280/1: mm: fix warning on phys_addr_t to void pointer assignment	2023-02-01 08:34:39 +01:00
block	block: mq-deadline: Rename deadline_is_seq_writes()	2023-01-24 07:24:44 +01:00
certs	certs: make system keyring depend on built-in x509 parser	2022-09-24 04:31:18 +09:00
crypto	crypto: tcrypt - Fix multibuffer skcipher speed test mem leak	2022-12-31 13:32:34 +01:00
Documentation	regulator: dt-bindings: samsung,s2mps14: add lost samsung,ext-control-gpios	2023-02-01 08:34:39 +01:00
drivers	ACPI: video: Fix apple gmux detection	2023-02-01 08:34:46 +01:00
fs	ovl: fail on invalid uid/gid mapping at copy up	2023-02-01 08:34:38 +01:00
include	platform/x86: apple-gmux: Add apple_gmux_detect() helper	2023-02-01 08:34:46 +01:00
init	gcc: disable -Warray-bounds for gcc-11 too	2023-01-14 10:33:43 +01:00
io_uring	io_uring: always prep_async for drain requests	2023-02-01 08:34:42 +01:00
ipc	ipc: fix memory leak in init_mqueue_fs()	2022-12-31 13:32:01 +01:00
kernel	trace_events_hist: add check for return value of 'create_hist_field'	2023-02-01 08:34:37 +01:00
lib	netlink: prevent potential spectre v1 gadgets	2023-02-01 08:34:43 +01:00
LICENSES	LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers	2021-12-16 14:33:10 +01:00
mm	panic: Consolidate open-coded panic_on_warn checks	2023-01-24 07:24:41 +01:00
net	netrom: Fix use-after-free of a listening socket.	2023-02-01 08:34:45 +01:00
rust	Kbuild: add Rust support	2022-09-28 09:02:20 +02:00
samples	ftrace: Export ftrace_free_filter() to modules	2023-02-01 08:34:37 +01:00
scripts	ftrace/scripts: Update the instructions for ftrace-bisect.sh	2023-02-01 08:34:37 +01:00
security	tomoyo: fix broken dependency on *.conf.default	2023-02-01 08:34:06 +01:00
sound	ASoC: fsl-asoc-card: Fix naming of AC'97 CODEC widgets	2023-02-01 08:34:31 +01:00
tools	Revert "selftests/bpf: check null propagation only neither reg is PTR_TO_BTF_ID"	2023-02-01 08:34:34 +01:00
usr	usr/gen_init_cpio.c: remove unnecessary -1 values from int file	2022-10-03 14:21:44 -07:00
virt	kvm/vfio: Fix potential deadlock on vfio group_lock	2023-02-01 08:34:36 +01:00
.clang-format	inet: ping: use hlist_nulls rcu iterator during lookup	2022-12-01 12:42:46 +01:00
.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: use 'dts' diff driver for dts files	2019-12-04 19:44:11 -08:00
.gitignore	Kbuild: add Rust support	2022-09-28 09:02:20 +02:00
.mailmap	9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address	2022-12-10 17:10:52 -08:00
.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	MAINTAINERS: Remove Michal Marek from Kbuild maintainers	2022-11-16 14:53:00 +09:00
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	panic: Expose "warn_count" to sysfs	2023-01-24 07:24:41 +01:00
Makefile	kbuild: fix 'make modules' error when CONFIG_DEBUG_INFO_BTF_MODULES=y	2023-02-01 08:34:08 +01:00
README	Drop all 00-INDEX files from Documentation/	2018-09-09 15:08:58 -06:00

README

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.