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Commit b0b96859 authored by Yuluo Qiu's avatar Yuluo Qiu Committed by Greg Kroah-Hartman
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ACPI: video: Add quirk for the Colorful X15 AT 23 Laptop 



[ Upstream commit 143176a46bdd3bfbe9ba2462bf94458e80d65ebf ]

The Colorful X15 AT 23 ACPI video-bus device report spurious
ACPI_VIDEO_NOTIFY_CYCLE events resulting in spurious KEY_SWITCHVIDEOMODE
events being reported to userspace (and causing trouble there) when
an external screen plugged in.

Add a quirk setting the report_key_events mask to
REPORT_BRIGHTNESS_KEY_EVENTS so that the ACPI_VIDEO_NOTIFY_CYCLE
events will be ignored, while still reporting brightness up/down
hotkey-presses to userspace normally.

Signed-off-by: default avatarYuluo Qiu <qyl27@outlook.com>
Co-developed-by: default avatarCeleste Liu <CoelacanthusHex@gmail.com>
Signed-off-by: default avatarCeleste Liu <CoelacanthusHex@gmail.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 20277842

drivers/acpi/acpi_video.c

+9 −0
Original line number Diff line number Diff line
@@ -568,6 +568,15 @@ static const struct dmi_system_id video_dmi_table[] = { 
		DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3350"),

		},

	},

	{

	 .callback = video_set_report_key_events,

	 .driver_data = (void *)((uintptr_t)REPORT_BRIGHTNESS_KEY_EVENTS),

	 .ident = "COLORFUL X15 AT 23",

	 .matches = {

		DMI_MATCH(DMI_SYS_VENDOR, "COLORFUL"),

		DMI_MATCH(DMI_PRODUCT_NAME, "X15 AT 23"),

		},

	},

	/*

	 * Some machines change the brightness themselves when a brightness

	 * hotkey gets pressed, despite us telling them not to. In this case