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Fenglin Wu 810afeb76d power: supply: qcom_battmgr: handle charging state change notifications 
[ Upstream commit 41307ec7df ]

The X1E80100 battery management firmware sends a notification with
code 0x83 when the battery charging state changes, such as switching
between fast charge, taper charge, end of charge, or any other error
charging states.

The same notification code is used with bit[8] set when charging stops
because the charge control end threshold is reached. Additionally,
a 2-bit value is included in bit[10:9] with the same code to indicate
the charging source capability, which is determined by the calculated
power from voltage and current readings from PDOs: 2 means a strong
charger over 60W, 1 indicates a weak charger, and 0 means there is no
charging source.

These 3-MSB [10:8] in the notification code is not much useful for now,
hence just ignore them and trigger a power supply change event whenever
0x83 notification code is received. This helps to eliminate the unknown
notification error messages.

Reported-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Closes: https://lore.kernel.org/all/r65idyc4of5obo6untebw4iqfj2zteiggnnzabrqtlcinvtddx@xc4aig5abesu/
Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-11-13 15:36:51 -05:00
arch ARM: tegra: transformer-20: fix audio-codec interrupt 2025-11-13 15:36:50 -05:00
block block: check for valid bio while splitting 2025-11-13 15:36:49 -05:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: essiv - Check ssize for decryption and in-place encryption 2025-10-19 16:37:14 +02:00
Documentation dpll: spec: add missing module-name and clock-id to pin-get reply 2025-11-13 15:36:42 -05:00
drivers power: supply: qcom_battmgr: handle charging state change notifications 2025-11-13 15:36:51 -05:00
fs smb: client: fix potential cfid UAF in smb2_query_info_compound 2025-11-13 15:36:38 -05:00
include bpf: Do not limit bpf_cgroup_from_id to current's namespace 2025-11-13 15:36:51 -05:00
init init: handle bootloader identifier in kernel parameters 2025-10-19 16:37:27 +02:00
io_uring io_uring/zcrx: account niov arrays to cgroup 2025-11-13 15:36:51 -05:00
ipc vfs-6.17-rc1.mmap_prepare 2025-07-28 13:43:25 -07:00
kernel bpf: Do not limit bpf_cgroup_from_id to current's namespace 2025-11-13 15:36:51 -05:00
lib kunit: Enable PCI on UML without triggering WARN() 2025-11-13 15:36:51 -05:00
LICENSES LICENSES: Replace the obsolete address of the FSF in the GFDL-1.2 2025-07-24 11:15:39 +02:00
mm treewide: remove MIGRATEPAGE_SUCCESS 2025-10-29 14:10:32 +01:00
net mptcp: fix MSG_PEEK stream corruption 2025-11-13 15:36:45 -05:00
rust rust: kunit: allow cfg on tests 2025-11-13 15:36:51 -05:00
samples 15 hotfixes. 11 are cc:stable and the remainder address post-6.16 issues 2025-09-17 21:34:26 -07:00
scripts kbuild: Add '.rel.*' strip pattern for vmlinux 2025-10-19 16:37:15 +02:00
security KEYS: trusted_tpm1: Compare HMAC values in constant time 2025-10-19 16:37:28 +02:00
sound ASoC: soc_sdw_utils: remove cs42l43 component_name 2025-11-13 15:36:42 -05:00
tools tools/cpupower: fix error return value in cpupower_write_sysfs() 2025-11-13 15:36:51 -05:00
usr usr/include: openrisc: don't HDRTEST bpf_perf_event.h 2025-05-12 15:03:17 +09:00
virt Merge tag 'kvm-x86-no_assignment-6.17' of https://github.com/kvm-x86/linux into HEAD 2025-07-29 08:36:42 -04:00
.clang-format Linux 6.15-rc5 2025-05-06 16:39:25 +10:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-07 00:11:47 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: remove Alyssa Rosenzweig 2025-09-18 21:17:31 +02:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore gitignore: allow .pylintrc to be tracked 2025-07-02 17:10:04 -06:00
.mailmap 7 hotfixes. 4 are cc:stable and the remainder address post-6.16 issues or 2025-09-28 09:32:00 -07:00
.pylintrc docs: add a .pylintrc file with sys path for docs scripts 2025-04-09 12:10:33 -06:00
.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: retire Boris from TLS maintainers 2025-08-26 17:36:01 -07:00
Kbuild drm: ensure drm headers are self-contained and pass kernel-doc 2025-02-12 10:44:43 +02:00
Kconfig io_uring: Rename KConfig to Kconfig 2025-02-19 14:53:27 -07:00
MAINTAINERS i2c-for-6.17-rc8 2025-09-28 13:19:23 -07:00
Makefile Linux 6.17.7 2025-11-02 22:18:05 +09:00
README README: Fix spelling 2024-03-18 03:36:32 -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 reStructuredText 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.