HID: multitouch: remove dead zones of Razer Blade Stealth (843e475f) · Commits · 戴 / test

The Razer Blade Stealth detects palms too aggressively and this creates a dead zone around the touchpad. Users like being able to use their entire touchpad, so we should probably not filter out the "palm" events from the device and report them as regular touches, leaving the palm detection up to the upper stack Link: https://bugs.freedesktop.org/show_bug.cgi?id=105409 Signed-off-by:

Benjamin Tissoires <benjamin.tissoires@redhat.com> Acked-by:

Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by:

Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-multitouch.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -184,6 +184,7 @@ static void mt_post_parse(struct mt_device *td);
		#define MT_CLS_ASUS 0x010b
		#define MT_CLS_VTL 0x0110
		#define MT_CLS_GOOGLE 0x0111
		#define MT_CLS_RAZER_BLADE_STEALTH 0x0112

		#define MT_DEFAULT_MAXCONTACT 10
		#define MT_MAX_MAXCONTACT 250
		@@ -326,6 +327,13 @@ static struct mt_class mt_classes[] = {
		MT_QUIRK_SLOT_IS_CONTACTID \|
		MT_QUIRK_HOVERING
		},
		{ .name = MT_CLS_RAZER_BLADE_STEALTH,
		.quirks = MT_QUIRK_ALWAYS_VALID \|
		MT_QUIRK_IGNORE_DUPLICATES \|
		MT_QUIRK_HOVERING \|
		MT_QUIRK_CONTACT_CNT_ACCURATE \|
		MT_QUIRK_WIN8_PTP_BUTTONS,
		},
		{ }
		};

		@@ -1791,6 +1799,11 @@ static const struct hid_device_id mt_devices[] = {
		MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
		USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },

		/* Razer touchpads */
		{ .driver_data = MT_CLS_RAZER_BLADE_STEALTH,
		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
		USB_VENDOR_ID_SYNAPTICS, 0x8323) },

		/* Stantum panels */
		{ .driver_data = MT_CLS_CONFIDENCE,
		MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,

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