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Sun, 11 Oct 2026 11:56:23 -0700 (PDT) From: Liviu Nicoara To: Bjorn Andersson , Konrad Dybcio , Aleksandrs Vinarskis Cc: Bryan O'Donoghue , Bryan O'Donoghue , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Abel Vesa Subject: Re: [PATCH v3] arm64: dts: qcom: x1e80100-dell-xps13-9345: add the front camera Date: Sun, 11 Oct 2026 14:42:57 -0400 Message-ID: <20261011184257.28668-1-lnicoara@thinkoid.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Sun, 11 Oct 2026 18:28:30 +0000, Aleksandrs Vinarskis wrote: > The initial patch for camera from Laurentiu Tudor that Abel was referring to > was never submitted upstream, as it depends on CAMSS PHY and DT camera > series which are trying to find their way upstream for over a year now. Thanks for the link; I had not seen it. > Just an FYI: CAMF_RES_QRD.bin is an AeoB file. Some time ago I made a > repo to keep a list of already de-compiled files for other developers to use, > might come handy. > > IMO this comment can be dropped. Will drop it in v4. The dump agrees with my read of the file. > Windows may only be switching one rail, however there in fact a 2v8 rail > provided by LDO 7B. > > I would recommend to add it. Will add vreg_l7b_2p8 and avdd-supply in v4. One question for dvdd. The sensor's DVDD pin is 1.2 V, so a regulator on the module or the board must step it down. On the schematic, which rail feeds that regulator: L7B, as Tudor's patch has it, or the 1.8 V behind GPIO 91? That decides whether dvdd-supply goes on vreg_l7b_2p8 or on vreg_cam_1p8. Thanks, Liviu