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Diffstat (limited to 'include/uapi/linux/i8k.h')
-rw-r--r--include/uapi/linux/i8k.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/uapi/linux/i8k.h b/include/uapi/linux/i8k.h
index 1c45ba505115..a16e4049710f 100644
--- a/include/uapi/linux/i8k.h
+++ b/include/uapi/linux/i8k.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* i8k.h -- Linux driver for accessing the SMM BIOS on Dell laptops
*
@@ -34,7 +35,10 @@
#define I8K_FAN_OFF 0
#define I8K_FAN_LOW 1
#define I8K_FAN_HIGH 2
-#define I8K_FAN_MAX I8K_FAN_HIGH
+#define I8K_FAN_TURBO 3
+/* Many machines treat this mode as some sort of automatic mode */
+#define I8K_FAN_AUTO 3
+#define I8K_FAN_MAX I8K_FAN_TURBO
#define I8K_VOL_UP 1
#define I8K_VOL_DOWN 2