Commit a598c82f authored by Thomas Renninger's avatar Thomas Renninger Committed by Len Brown

msi-laptop: fingers off backlight if video.ko is serving this functionality

Signed-off-by: default avatarThomas Renninger <trenn@suse.de>
Acked-by: default avatarZhang Rui <rui.zhang@intel.com>
Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 7d5c89a6
......@@ -347,12 +347,16 @@ static int __init msi_init(void)
/* Register backlight stuff */
msibl_device = backlight_device_register("msi-laptop-bl", NULL, NULL,
&msibl_ops);
if (IS_ERR(msibl_device))
return PTR_ERR(msibl_device);
msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1;
if (acpi_video_backlight_support()) {
printk(KERN_INFO "MSI: Brightness ignored, must be controlled "
"by ACPI video driver\n");
} else {
msibl_device = backlight_device_register("msi-laptop-bl", NULL,
NULL, &msibl_ops);
if (IS_ERR(msibl_device))
return PTR_ERR(msibl_device);
msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1;
}
ret = platform_driver_register(&msipf_driver);
if (ret)
......
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