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-rw-r--r--drivers/platform/x86/thinkpad_acpi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 06c7c03..5a22a06 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -2655,7 +2655,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
/* update bright_acpimode... */
tpacpi_check_std_acpi_brightness_support();
- if (tp_features.bright_acpimode) {
+ if (tp_features.bright_acpimode && acpi_video_backlight_support()) {
printk(TPACPI_INFO
"This ThinkPad has standard ACPI backlight "
"brightness control, supported by the ACPI "