linux-kernel - 答复: [External Mail]Re: [PATCH v2] HID: hid-input: only ignore 0 battery events for digitizers

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Message-ID: <c717d9d1483f4436a9ba6e4266ea4e55@xiaomi.com>
Date: Fri, 17 Oct 2025 00:38:28 +0000
From: 卢国宏 <luguohong@...omi.com>
To: Jiri Kosina <jikos@...nel.org>, Dmitry Torokhov
	<dmitry.torokhov@...il.com>
CC: Benjamin Tissoires <bentiss@...nel.org>, "kenalba@...gle.com"
	<kenalba@...gle.com>, "linux-input@...r.kernel.org"
	<linux-input@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, 李鹏 <lipeng43@...omi.com>,
	卢国宏 <luguohong@...omi.com>
Subject: 答复: [External Mail]Re: [PATCH v2] HID: hid-input: only ignore 0 battery events for digitizers

Hi Jiri!
Where can I find information about your commits? Is it "https://web.git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git/log/?h=for-6.17/upstream-fixes"? So far, I haven't seen any information about this commit. I'll need this information when I submit this code to Google's GKI. Thank you!
________________________________________
发件人: Jiri Kosina <jikos@...nel.org>
发送时间: 2025年10月15日 23:15:18
收件人: Dmitry Torokhov
抄送: Benjamin Tissoires; 卢国宏; kenalba@...gle.com; linux-input@...r.kernel.org; linux-kernel@...r.kernel.org
主题: [External Mail]Re: [PATCH v2] HID: hid-input: only ignore 0 battery events for digitizers

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On Tue, 14 Oct 2025, Dmitry Torokhov wrote:

> Commit 581c4484769e ("HID: input: map digitizer battery usage") added
> handling of battery events for digitizers (typically for batteries
> presented in stylii). Digitizers typically report correct battery levels
> only when stylus is actively touching the surface, and in other cases
> they may report battery level of 0. To avoid confusing consumers of the
> battery information the code was added to filer out reports with 0
> battery levels.
>
> However there exist other kinds of devices that may legitimately report
> 0 battery levels. Fix this by filtering out 0-level reports only for
> digitizer usages, and continue reporting them for other kinds of devices
> (Smart Batteries, etc).
>
> Reported-by: 卢国宏 <luguohong@...omi.com>
> Fixes: 581c4484769e ("HID: input: map digitizer battery usage")
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> ---
>
> v2: rebased on top of linux-next, dropped Tested-by: tag

Applied, thanks!

--
Jiri Kosina
SUSE Labs

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