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Commit 999d4376 authored by zino lin's avatar zino lin Committed by Darren Hart
Browse files

platform/x86: asus-wmi: fix asus ux303ub brightness issue 



acpi_video0 doesn't work, asus-wmi brightness interface doesn't work, too.
So, we use native brightness interface to handle the brightness adjustion,
and add quirk_asus_ux303ub.

Signed-off-by: default avatarzino lin <linzino7@gmail.com>
Acked-by: default avatarCorentin Chary <corentin.chary@gmail.com>
Signed-off-by: default avatarDarren Hart <dvhart@linux.intel.com>
parent fa1bc2a0

drivers/platform/x86/asus-nb-wmi.c

+13 −0
Original line number Diff line number Diff line
@@ -87,6 +87,10 @@ static struct quirk_entry quirk_no_rfkill_wapf4 = { 
	.no_rfkill = true,

};



static struct quirk_entry quirk_asus_ux303ub = {

	.wmi_backlight_native = true,

};



static int dmi_matched(const struct dmi_system_id *dmi)

{

	quirks = dmi->driver_data;
@@ -351,6 +355,15 @@ static const struct dmi_system_id asus_quirks[] = { 
		},

		.driver_data = &quirk_no_rfkill,

	},

	{

		.callback = dmi_matched,

		.ident = "ASUSTeK COMPUTER INC. UX303UB",

		.matches = {

			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),

			DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),

		},

		.driver_data = &quirk_asus_ux303ub,

	},

	{},

};

drivers/platform/x86/asus-wmi.c

+3 −0
Original line number Diff line number Diff line
@@ -2084,6 +2084,9 @@ static int asus_wmi_add(struct platform_device *pdev) 
	if (asus->driver->quirks->wmi_backlight_power)

		acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);



	if (asus->driver->quirks->wmi_backlight_native)

		acpi_video_set_dmi_backlight_type(acpi_backlight_native);



	if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {

		err = asus_wmi_backlight_init(asus);

		if (err && err != -ENODEV)

drivers/platform/x86/asus-wmi.h

+1 −0
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ struct quirk_entry { 
	bool scalar_panel_brightness;

	bool store_backlight_power;

	bool wmi_backlight_power;

	bool wmi_backlight_native;

	int wapf;

	/*

	 * For machines with AMD graphic chips, it will send out WMI event