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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-06-19 01:17:26 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-06-19 01:17:26 +0200
commit4def8a360fc6119e09916708cca0977a1495ccf4 (patch)
treea06d2254a0f99f1b0e63455d06e5c6ad47b463f5 /drivers/acpi/utils.c
parent763d949581ed1d610c5e09081b36d9beea8e4abc (diff)
parente7d024c00a4a7b617390db863bdd5b9dc65821f7 (diff)
Merge branch 'acpi-video'
* acpi-video: (38 commits) ACPI / video: Make acpi_video_unregister_backlight() private acpi-video-detect: Remove old API toshiba-acpi: Port to new backlight interface selection API thinkpad-acpi: Port to new backlight interface selection API sony-laptop: Port to new backlight interface selection API samsung-laptop: Port to new backlight interface selection API msi-wmi: Port to new backlight interface selection API msi-laptop: Port to new backlight interface selection API intel-oaktrail: Port to new backlight interface selection API ideapad-laptop: Port to new backlight interface selection API fujitsu-laptop: Port to new backlight interface selection API eeepc-laptop: Port to new backlight interface selection API dell-wmi: Port to new backlight interface selection API dell-laptop: Port to new backlight interface selection API compal-laptop: Port to new backlight interface selection API asus-wmi: Port to new backlight interface selection API asus-laptop: Port to new backlight interface selection API apple-gmux: Port to new backlight interface selection API acer-wmi: Port to new backlight interface selection API ACPI / video: Fix acpi_video _register vs _unregister_backlight race ...
Diffstat (limited to 'drivers/acpi/utils.c')
-rw-r--r--drivers/acpi/utils.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index cd49a3982b6a..67c548ad3764 100644
--- 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);