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[116.206.28.61]) by smtp.gmail.com with ESMTPSA id j1-20020aa78001000000b006437c0edf9csm2881304pfi.16.2023.05.26.06.47.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 26 May 2023 06:47:21 -0700 (PDT) Message-ID: <288db372-9797-540f-e8bd-794a23648573@gmail.com> Date: Fri, 26 May 2023 20:46:32 +0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Content-Language: en-US To: Linux Kernel Mailing List , Linux Regressions , DRI Development List , Linux ARM , Linux Samsung SoC Support Cc: Lee Jones , Daniel Thompson , Jingoo Han , Krzysztof Kozlowski , Andrew , Mika Westerberg , Andy Shevchenko , Geert Uytterhoeven From: Bagas Sanjaya Subject: Fwd: Does not work backlight on Chromebook XE303C12 with Kernel version 6.3.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230526_064725_841161_C4475D32 X-CRM114-Status: UNSURE ( 8.99 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, I notice a regression report on Bugzilla [1]. Quoting from it: > I did check it by flashlight. Even with all available backlights drivers compiled as modules it does not work. With Kernel version 5.15.106 backlight works fine. > Kernels for Chomebook uses dtb files that have some backlight config set (used gpio), like exynos5250-snow-common.dtsi and dmesg of 6.3.4 gives some gpio warnings. Maybe cause in it. See bugzilla for the full thread and attached dmesg & kernel config. Anyway, I'm adding it to regzbot: #regzbot introduced: v5.15..v6.3 https://bugzilla.kernel.org/show_bug.cgi?id=217489 #regzbot title: Chromebook XE303C12 backlight stopped working with gpio warnings Thanks. [1]: https://bugzilla.kernel.org/show_bug.cgi?id=217489 -- An old man doll... just what I always wanted! - Clara _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel