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Mon, 19 Oct 2026 03:26:40 -0700 (PDT) X-Received: by 2002:a05:620a:a99a:20b0:93f:43a4:a48f with SMTP id af79cd13be357-93f43a4a566mr95240785a.5.1792405600127; Mon, 19 Oct 2026 03:26:40 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b38a1e9da2sm3935320a12.31.2026.10.19.03.26.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 Oct 2026 03:26:38 -0700 (PDT) Message-ID: Date: Mon, 19 Oct 2026 12:26:36 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] arm64: dts: qcom: x1-denali: Add PWM backlight for LCD To: Dale Whinham , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Abel Vesa , =?UTF-8?Q?J=C3=A9r=C3=B4me_de_Bretagne?= Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Haipeng Lin References: <20261017-sp11-lcd-fixes-v1-0-0eb916c01a3d@gmail.com> <20261017-sp11-lcd-fixes-v1-2-0eb916c01a3d@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261017-sp11-lcd-fixes-v1-2-0eb916c01a3d@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: oHxDEYWUOB3itwIGpRh1IcLN79RMEaep X-Proofpoint-GUID: oHxDEYWUOB3itwIGpRh1IcLN79RMEaep X-Authority-Analysis: v=2.4 cv=H7NOUOYi c=1 sm=1 tr=0 ts=6ad5f061 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=-uL8lm0AAZMNKrp0HWoA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE5MDA0MSBTYWx0ZWRfX6m+svQcLdqv2 hadZvJGX652ortTaxiNZZc0iZMrqQyHT7PywvEENvJAinCB7hF31sXD6mruc7V+UC1kkeqW3WsI gukpdOo4Pc6abnmOgON3EQoFWPQ6RR4qcy+PhvmW9enjZjQ7RYD1IycRXpCsSrwYOFm49MKYp/L iJWCMz011fwggnIBWTOcDF6yxN8wI0CyecL/eD8EkrY72Qu8InGslhVRAn3BHXnpfKW03kFNADF pIzaVBdX8z0SdGxUNMXQXSRpTy1x6j5vfrjdCH9O9NZXq0AOGV4Ui5j0chrVSvrow/BBFBOrLIZ x47hRJoh28ZmjhCtpc2E/UtRSOOBmYB6DN6D2hSNB71v+M37anHCk6yUyZHMalF4n7Q96S8X4Jz gtsfEc8rgc53uoUs1V1zrSDtoUpQjOZ50IPvJx6dbet0Hmu2o4Lniy4kJTP/lPmgEV05vm++RT7 UT0eA9ekUkz9cibNWOw== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE5MDA0MSBTYWx0ZWRfX9nDoU23GR4F3 maZ4h/TT+LR82Rg+d7SF4O1LdHQCc+4N5pRJKUiVQgwMZJXiCRH2KdEAnnkRJPhtR+Gai7bPD/W +BdOAVsRg+S1x7uSGIUJlr656H+gS8A= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-19_03,2026-10-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 spamscore=0 bulkscore=0 adultscore=0 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610190041 On 10/17/26 7:52 PM, Dale Whinham wrote: > The LCD variant's backlight is PWM from the PMK8550 LPG on gpio5, with > pmc8380_3 gpio10 enabling the supply and gpio4 the backlight, as on the > T14s LCD and Surface Laptop 7. > > On OLED gpio4 is the panel enable, so move it and the panel compatible > out of the common dtsi. > > Fixes: 0d72ccaa1e84 ("arm64: dts: qcom: Add support for X1-based Surface Pro 11") > Signed-off-by: Dale Whinham > Tested-by: Haipeng Lin > --- Reviewed-by: Konrad Dybcio Konrad