Zixing Liu 91a70492c0 platform/loongarch: laptop: Explicitly reset bl_powered state when suspend ... On EAECIS NL60R with EC firmware version 1.11, resuming from S3 has a very high chance (>90%) of causing the EC to lose the previous backlight power state. When this happens, the laptop resumes normally from S3, but the backlight remains off (when shining on the screen with a flash light, we can see the screen contents are updating normally). Since there is no generic way to query the EC's backlight state on Loongson laptop platforms, assume the worst-case scenario and restart the backlight power inside the kernel each time the system resumes. Cc: stable@vger.kernel.org Fixes: 53c762b47f ("platform/loongarch: laptop: Add backlight power control support") Tested-by: Yao Zi <me@ziyao.cc> Tested-by: Xi Ruoyao <xry111@xry111.site> Signed-off-by: Zixing Liu <liushuyu@aosc.io> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>		2026-07-24 16:33:14 +08:00
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Kconfig	ACPI: EC: Enable EC support on LoongArch by default	2024-12-18 20:23:59 +01:00
loongson-laptop.c	platform/loongarch: laptop: Explicitly reset bl_powered state when suspend	2026-07-24 16:33:14 +08:00
Makefile