The tp_features.bright_acpimode will not be set correctly for brightness control because ACPI_VIDEO_HID will not be located in ACPI. As a result, a duplicated key event will always be sent. acpi_video_backlight_support() is sufficient to detect standard ACPI brightness control.
Signed-off-by: Alex Hung <[email protected]> --- drivers/platform/x86/thinkpad_acpi.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 7b82868..7d032d5 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -3405,7 +3405,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) /* Do not issue duplicate brightness change events to * userspace. tpacpi_detect_brightness_capabilities() must have * been called before this point */ - if (tp_features.bright_acpimode && acpi_video_backlight_support()) { + if (acpi_video_backlight_support()) { pr_info("This ThinkPad has standard ACPI backlight " "brightness control, supported by the ACPI " "video driver\n"); -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
