I file this bug https://bugzilla.kernel.org/show_bug.cgi?id=198823
because this patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/drivers/video/backlight/pwm_bl.c?h=v4.14.20&id=d1b81294575098d989be1f2f6bb628091ceaa87b disable backlight not clear for me if is a bl_pwm.c check bug or suni4-pwm.c wrong enable flag setting. -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.