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charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDEzMDA0MCBTYWx0ZWRfXxvK9zff26z0j aAD9rmGWhvB+m+aO7c0t9JIx2DYNhw1FZRRVJqKCC8YK22AsOlQogB7TmAJ69hSHkrKcHWP8NI6 mF40JiOLPIYFyUcsbEyM9R1EHqbcIbw0U0yQMlP0EKq+sgI37DXYI4Hs7plVRiMBTtryf+IewX7 G7Ikfx8A71cZ4PZXoi00V6HHEeu19ZfRdRSglbeZei1RSFz6K0A6bv9SraqWUhrRUXEhgGtYr90 W0rgdNFZJ8i1narUmh4iQxxHhRUyZ1Nedb/LJ3/73hrlkErkS95eHaNihjegs4UlASp1bOr2koO Kmyu9Bkhq8IKbQR8s4TBeHJg4vlppiJtePte7enUqd/9JGuflDrLWpqAnjmOebV7Yqh8zuGhTHE 2faHHPEf5/g9lDHegEXSjcOAQ08VIzhLVfs5cmIAZ6pw4687uVN2nmseyn9TaWLmOEVcbATQzSb XLMb5XhpZhWj2vwst0A== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDEzMDA0MCBTYWx0ZWRfX9Tt8qybsK3dG GtsooWPo7aASgTuSuuTZDA2ayAZQT2d3gWt8JZD351pAiM7ySvJLMlJsaeOBbv0CsMmR9l/l8w6 f0/Gj8LcqETHk3DRXjK9vL1sOoVnFjY= X-Proofpoint-ORIG-GUID: 77YfO0uADHeHwmPif4WmfT7jgHAZCJi3 X-Authority-Analysis: v=2.4 cv=EP+TQFZC c=1 sm=1 tr=0 ts=6ace0483 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=dk3OJlvReTGvn84GIeMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-GUID: 77YfO0uADHeHwmPif4WmfT7jgHAZCJi3 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=2026-10-13_01,2026-10-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 phishscore=0 clxscore=1015 spamscore=0 malwarescore=0 priorityscore=1501 bulkscore=0 adultscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610130040 On 10/3/26 2:00 PM, Sérgio Ferreira via B4 Relay wrote: > From: Sérgio Ferreira > > The eDP panel (CSOT MNE007ZA3-2, IPS LCD) cannot have its brightness > set over eDP AUX. With no backlight phandle on the panel, panel-edp > falls back to the DP AUX backlight, which registers dp_aux_backlight > with a maximum brightness of 0, so brightness control has no effect. [...] > + backlight: backlight { > + compatible = "pwm-backlight"; > + pwms = <&pm8550_pwm 3 500000>; > + enable-gpios = <&pmc8380_3_gpios 4 GPIO_ACTIVE_HIGH>; > + > + pinctrl-0 = <&edp_bl_pwm>; Let's also add a pin state config for the enable GPIO (read back from firmware is fine - I assume it'll be func=normal/power-source=1/ input-disable/output-enable) Konrad