acpi-video-detect: video: Make video_detect code part of the video module

[firefly-linux-kernel-4.4.55.git] / drivers / acpi / utils.c

diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index cd49a3982b6ab9563bf18e4ea7c21ed58febd4d9..67c548ad3764c938c87d9a41a271f4d3d0554487 100644 (file)
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -712,3 +712,18 @@ bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, int rev, u64 funcs)
        return false;
 }
 EXPORT_SYMBOL(acpi_check_dsm);
+
+/*
+ * acpi_backlight= handling, this is done here rather then in video_detect.c
+ * because __setup cannot be used in modules.
+ */
+char acpi_video_backlight_string[16];
+EXPORT_SYMBOL(acpi_video_backlight_string);
+
+static int __init acpi_backlight(char *str)
+{
+       strlcpy(acpi_video_backlight_string, str,
+               sizeof(acpi_video_backlight_string));
+       return 1;
+}
+__setup("acpi_backlight=", acpi_backlight);