mirror of https://gitee.com/openkylin/linux.git
ce7c47d60b
My Fujitsu-Siemens Lifebook S6120 doesn't have the FUJ02E3 device, but it does have FUJ02B1. That means we do register the backlight device (and it even seems to work), but the code will oops as soon as we try to set the backlight brightness because it's trying to call call_fext_func() with a NULL device. Let's just skip those function calls when the FUJ02E3 device is not present. Cc: Jonathan Woithe <jwoithe@just42.net> Cc: Andy Shevchenko <andy@infradead.org> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: <stable@vger.kernel.org> # 4.13.x Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org> |
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