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| author | Arvid Norlander <lkml@vorpal.se> | 2022-09-02 20:00:37 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2022-09-09 21:58:16 +0200 |
| commit | 18ef1bb093ab1e0a74d146cbf4a9d132d01374d8 (patch) | |
| tree | aa01e90bca87e42e732a7cfd947efce625647671 /Documentation/ABI | |
| parent | 8ef5db9eb084f6212345a7b09355c78ce05f71e2 (diff) | |
| download | linux-18ef1bb093ab1e0a74d146cbf4a9d132d01374d8.tar.gz linux-18ef1bb093ab1e0a74d146cbf4a9d132d01374d8.tar.bz2 linux-18ef1bb093ab1e0a74d146cbf4a9d132d01374d8.zip | |
docs: ABI: charge_control_end_threshold may not support all values
Some laptops (for example Toshiba Satellite Z830) only supports some fixed
values. Allow for this and document the expected behaviour in such cases.
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Arvid Norlander <lkml@vorpal.se>
Link: https://lore.kernel.org/r/20220902180037.1728546-4-lkml@vorpal.se
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-power | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index a9ce63cfbe87..e434fc523291 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -364,7 +364,10 @@ Date: April 2019 Contact: linux-pm@vger.kernel.org Description: Represents a battery percentage level, above which charging will - stop. + stop. Not all hardware is capable of setting this to an arbitrary + percentage. Drivers will round written values to the nearest + supported value. Reading back the value will show the actual + threshold set by the driver. Access: Read, Write |