apple-gmux: Fix up the suspend/resume patch

I incorporated the wrong version of the suspend/resume patch for gmux,
and so lost David Woodhouse's fix to leave the backlight level unchanged
over suspend/resume. This fixes it up to v2.

Signed-off-by: Matthew Garrett <mjg@redhat.com>

diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c
index 6dcef4f..694a15a 100644 (file)
--- a/drivers/platform/x86/apple-gmux.c
+++ b/drivers/platform/x86/apple-gmux.c
@@ -88,7 +88,7 @@ static int gmux_update_status(struct backlight_device *bd)
        u32 brightness = bd->props.brightness;
 
        if (bd->props.state & BL_CORE_SUSPENDED)
-               brightness = 0;
+               return 0;
 
        /*
         * Older gmux versions require writing out lower bytes first then