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authorHans de Goede <hdegoede@redhat.com>2014-07-08 10:47:22 +0200
committerMatthew Garrett <matthew.garrett@nebula.com>2014-08-16 10:23:50 +0200
commit86ac2735ae09ab012da358d4dff73f3bcad50583 (patch)
treee7828095d31c45acc836b1f5e290d19a0ddaf1e4 /README
parentasus-wmi: Disable acpi-video backlight on desktop machines (diff)
downloadlinux-86ac2735ae09ab012da358d4dff73f3bcad50583.tar.xz
linux-86ac2735ae09ab012da358d4dff73f3bcad50583.zip
asus-wmi: backlight_init: Stop treating -ENODEV as if its not an error
When bl_power support got added to asus-wmi, the error handling for it was written to ignore -ENODEV, to avoid not registering a backlight interface for models which have no bl_power control, but do have brightness control. At the same time the error handling for brightness_max was modified to do the same, this is wrong, when there is no brightness_max asus-wmi should not register a backlight interface. Note the caller of asus_wmi_backlight_init already special cases -ENODEV, and will not cause the wmi driver regristration to fail because of a -ENODEV return from asus_wmi_backlight_init. https://bugzilla.redhat.com/show_bug.cgi?id=1097436 Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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