diff mbox series

[3/3] docs: ABI: charge_control_end_threshold may not support all values

Message ID 20220828192920.805253-4-lkml@vorpal.se
State Superseded
Headers show
Series platform/x86: Battery charge mode in toshiba_acpi | expand

Commit Message

Arvid Norlander Aug. 28, 2022, 7:29 p.m. UTC
Some laptops (for example Toshiba Satellite Z830) only supports some fixed
values. Allow for this and document the expected behaviour in such cases.

Wording suggested by Hans de Goede.

Signed-off-by: Arvid Norlander <lkml@vorpal.se>
---
 Documentation/ABI/testing/sysfs-class-power | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

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