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charset="utf-8" From: Kerem Karabay This patch adds the device ID of Apple Touch Bar found on x86 MacBook Pros to the hid-multitouch driver. Note that this is device ID is for T2 Macs. Testing on T1 Macs would be appreciated. Signed-off-by: Kerem Karabay Co-developed-by: Aditya Garg Signed-off-by: Aditya Garg --- drivers/hid/Kconfig | 1 + drivers/hid/hid-multitouch.c | 25 +++++++++++++++++++++---- 2 files changed, 22 insertions(+), 4 deletions(-) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index dfc245867..727a2ed0d 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -743,6 +743,7 @@ config HID_MULTITOUCH Say Y here if you have one of the following devices: - 3M PCT touch screens - ActionStar dual touch panels + - Apple Touch Bar on x86 MacBook Pros - Atmel panels - Cando dual touch panels - Chunghwa panels diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 66e33a482..078ceef62 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -221,6 +221,7 @@ static void mt_post_parse(struct mt_device *td, struct = mt_application *app); #define MT_CLS_GOOGLE 0x0111 #define MT_CLS_RAZER_BLADE_STEALTH 0x0112 #define MT_CLS_SMART_TECH 0x0113 +#define MT_CLS_APPLE_TOUCHBAR 0x0114 #define MT_CLS_SIS 0x0457 =20 #define MT_DEFAULT_MAXCONTACT 10 @@ -406,6 +407,12 @@ static const struct mt_class mt_classes[] =3D { MT_QUIRK_CONTACT_CNT_ACCURATE | MT_QUIRK_SEPARATE_APP_REPORT, }, + { .name =3D MT_CLS_APPLE_TOUCHBAR, + .quirks =3D MT_QUIRK_HOVERING | + MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE | + MT_QUIRK_APPLE_TOUCHBAR, + .maxcontacts =3D 11, + }, { .name =3D MT_CLS_SIS, .quirks =3D MT_QUIRK_NOT_SEEN_MEANS_UP | MT_QUIRK_ALWAYS_VALID | @@ -1807,6 +1814,15 @@ static int mt_probe(struct hid_device *hdev, const s= truct hid_device_id *id) } } =20 + ret =3D hid_parse(hdev); + if (ret !=3D 0) + return ret; + + if (mtclass->name =3D=3D MT_CLS_APPLE_TOUCHBAR && + !hid_find_field(hdev, HID_INPUT_REPORT, + HID_DG_TOUCHPAD, HID_DG_TRANSDUCER_INDEX)) + return -ENODEV; + td =3D devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); if (!td) { dev_err(&hdev->dev, "cannot allocate multitouch data\n"); @@ -1854,10 +1870,6 @@ static int mt_probe(struct hid_device *hdev, const s= truct hid_device_id *id) =20 timer_setup(&td->release_timer, mt_expired_timeout, 0); =20 - ret =3D hid_parse(hdev); - if (ret !=3D 0) - return ret; - if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) mt_fix_const_fields(hdev, HID_DG_CONTACTID); =20 @@ -2339,6 +2351,11 @@ static const struct hid_device_id mt_devices[] =3D { MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR2) }, =20 + /* Apple Touch Bar */ + { .driver_data =3D MT_CLS_APPLE_TOUCHBAR, + HID_USB_DEVICE(USB_VENDOR_ID_APPLE, + USB_DEVICE_ID_APPLE_TOUCHBAR_DISPLAY) }, + /* Google MT devices */ { .driver_data =3D MT_CLS_GOOGLE, HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, --=20 2.43.0