From: Arvid Norlander <lkml@vorpal.se>
To: platform-driver-x86@vger.kernel.org, linux-pm@vger.kernel.org
Cc: Sebastian Reichel <sre@kernel.org>,
Hans de Goede <hdegoede@redhat.com>,
Azael Avalos <coproscefalo@gmail.com>,
Arvid Norlander <lkml@vorpal.se>,
Sebastian Reichel <sebastian.reichel@collabora.com>
Subject: [PATCH v2 3/3] docs: ABI: charge_control_end_threshold may not support all values
Date: Fri, 2 Sep 2022 20:00:37 +0200 [thread overview]
Message-ID: <20220902180037.1728546-4-lkml@vorpal.se> (raw)
In-Reply-To: <20220902180037.1728546-1-lkml@vorpal.se>
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>
---
Documentation/ABI/testing/sysfs-class-power | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
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
--
2.37.3
next prev parent reply other threads:[~2022-09-02 18:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-02 18:00 [PATCH v2 0/3] platform/x86: Battery charge mode in toshiba_acpi Arvid Norlander
2022-09-02 18:00 ` [PATCH 1/3] platform/x86: Battery charge mode in toshiba_acpi (internals) Arvid Norlander
2022-09-02 18:00 ` [PATCH v2 2/3] platform/x86: Battery charge mode in toshiba_acpi (sysfs) Arvid Norlander
2022-09-09 17:19 ` Hans de Goede
2022-09-02 18:00 ` Arvid Norlander [this message]
2022-09-09 17:25 ` [PATCH v2 0/3] platform/x86: Battery charge mode in toshiba_acpi Hans de Goede
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