From: Bjorn Andersson <andersson@kernel.org>
To: Konrad Dybcio <konradybcio@kernel.org>, Charlie Garner <charlie@akao.au>
Cc: Abel Vesa <abelvesa@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Val Packett <val@packett.cool>,
Laurentiu Tudor <laurentiu.tudor1@dell.com>,
Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] arm64: dts: qcom: Dell Inspiron 14 Plus 7441 backlight and touchscreen fixes
Date: Wed, 23 Sep 2026 17:19:57 -0500 [thread overview]
Message-ID: <179020199813.520949.7877582559956876256.b4-ty@kernel.org> (raw)
In-Reply-To: <20260923152506.44989-1-charlie@akao.au>
On Thu, 24 Sep 2026 00:55:04 +0930, Charlie Garner wrote:
> Two fixes for the Dell Inspiron 14 Plus 7441.
>
> Patch 1 gives the eDP panel a PWM backlight. The AUO B140QAX01.H panel
> only supports PWM-pin brightness, so the DP AUX fallback registers a
> backlight with max_brightness 0 and brightness cannot be changed. The PWM
> wiring (PMK8550 gpio5 func3, pmk8550_pwm) matches the HP OmniBook X14.
> It goes in the Inspiron DT rather than x1-dell-thena.dtsi, because the
> Latitude 7455 was submitted with a different panel and a working
> backlight, and only the Inspiron has been tested. The dtsi only gains a
> panel label, which leaves the Latitude DTB functionally unchanged. If a
> Latitude 7455 owner can confirm the same PWM wiring, this can move to the
> dtsi.
>
> [...]
Applied, thanks!
[1/2] arm64: dts: qcom: x1e80100-dell-inspiron-14-plus-7441: add PWM backlight
commit: 6f4139020847738d646db0b6589297f71fc0710c
[2/2] arm64: dts: qcom: x1e80100-dell-inspiron-14-plus-7441: fix touchscreen i2c address
commit: 66de84159065c9c08be4ce17a8c016efa0382121
Best regards,
--
Bjorn Andersson <andersson@kernel.org>
next prev parent reply other threads:[~2026-09-23 22:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-23 15:25 Charlie Garner
2026-09-23 15:25 ` [PATCH 1/2] arm64: dts: qcom: x1e80100-dell-inspiron-14-plus-7441: add PWM backlight Charlie Garner
2026-09-23 15:25 ` [PATCH 2/2] arm64: dts: qcom: x1e80100-dell-inspiron-14-plus-7441: fix touchscreen i2c address Charlie Garner
2026-09-23 22:19 ` Bjorn Andersson [this message]
2026-09-24 0:54 ` [PATCH 0/2] arm64: dts: qcom: Dell Inspiron 14 Plus 7441 backlight and touchscreen fixes Bjorn Andersson
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