Re:Input: keyboard/Trackpad support for MacBookPro 12,1

[Yang Hongyang]

Any ideas?

At 2015-04-24 09:56:28, "Yang Hongyang" <macrosheep@xxxxxxx> wrote:
>My new MacBook Pro (Retina, 13-inch, Early 2015,ÂModel Identifier:	MacBookPro12,1) with ForceTouch
>trackpad has a new Product ID 0x0273, which I think is the ISO, and the other should be ANSI:0x0272,
>JIS:0x0274, but I'm not sure, anyone can confirm this?
>Apple Internal Keyboard / Trackpad:
>  Product ID:	0x0273
>  Vendor ID:	0x05ac (Apple Inc.)
>  Version:	6.22
>  Serial Number:	xx
>  Manufacturer:	Apple Inc.
>  Location ID:	0x01000000
>
>However, after I add the Product ID as usual, the keyboard works fine, but the trackpad doesn't work
>at all, after checking the Info by lsusb, the trackpad seems to fallback to the old geyser way because
>it reports a wMaxPacketSize     0x0040  1x 64 bytes, I don't have much knowledge about trackpad
>driver, is there anyone that can figer out what the driver protocol is?
>
># lsusb -v -s 001:003
>Bus 001 Device 003: ID 05ac:0273 Apple, Inc. 
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               2.00
>  bDeviceClass            0 (Defined at Interface level)
>  bDeviceSubClass         0 
>  bDeviceProtocol         0 
>  bMaxPacketSize0        64
>  idVendor           0x05ac Apple, Inc.
>  idProduct          0x0273 
>  bcdDevice            6.22
>  iManufacturer           1 Apple Inc.
>  iProduct                2 Apple Internal Keyboard / Trackpad
>  iSerial                 3 D3H5107H8T1GHJGA6xxx
>  bNumConfigurations      1
>  Configuration Descriptor:
>    bLength                 9
>    bDescriptorType         2
>    wTotalLength          141
>    bNumInterfaces          5
>    bConfigurationValue     1
>    iConfiguration          4 Keyboard / Trackpad
>    bmAttributes         0xa0
>      (Bus Powered)
>      Remote Wakeup
>    MaxPower              500mA
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       0
>      bNumEndpoints           1
>      bInterfaceClass         3 Human Interface Device
>      bInterfaceSubClass      0 No Subclass
>      bInterfaceProtocol      0 None
>      iInterface              5 Device Management
>        HID Device Descriptor:
>          bLength                 9
>          bDescriptorType        33
>          bcdHID               1.10
>          bCountryCode            0 Not supported
>          bNumDescriptors         1
>          bDescriptorType        34 Report
>          wDescriptorLength      27
>         Report Descriptors: 
>           ** UNAVAILABLE **
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0010  1x 16 bytes
>        bInterval               8
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       0
>      bNumEndpoints           1
>      bInterfaceClass         3 Human Interface Device
>      bInterfaceSubClass      1 Boot Interface Subclass
>      bInterfaceProtocol      1 Keyboard
>      iInterface              6 Keyboard / Boot
>        HID Device Descriptor:
>          bLength                 9
>          bDescriptorType        33
>          bcdHID               1.10
>          bCountryCode           33 US
>          bNumDescriptors         1
>          bDescriptorType        34 Report
>          wDescriptorLength     182
>         Report Descriptors: 
>           ** UNAVAILABLE **
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0010  1x 16 bytes
>        bInterval               8
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        2
>      bAlternateSetting       0
>      bNumEndpoints           1
>      bInterfaceClass         3 Human Interface Device
>      bInterfaceSubClass      1 Boot Interface Subclass
>      bInterfaceProtocol      2 Mouse
>      iInterface              7 Trackpad / Boot
>        HID Device Descriptor:
>          bLength                 9
>          bDescriptorType        33
>          bcdHID               1.10
>          bCountryCode            0 Not supported
>          bNumDescriptors         1
>          bDescriptorType        34 Report
>          wDescriptorLength     110
>         Report Descriptors: 
>           ** UNAVAILABLE **
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0040  1x 64 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        3
>      bAlternateSetting       0
>      bNumEndpoints           2
>      bInterfaceClass         3 Human Interface Device
>      bInterfaceSubClass      0 No Subclass
>      bInterfaceProtocol      0 None
>      iInterface              8 Actuator
>        HID Device Descriptor:
>          bLength                 9
>          bDescriptorType        33
>          bcdHID               1.10
>          bCountryCode            0 Not supported
>          bNumDescriptors         1
>          bDescriptorType        34 Report
>          wDescriptorLength      34
>         Report Descriptors: 
>           ** UNAVAILABLE **
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x84  EP 4 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0010  1x 16 bytes
>        bInterval               8
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x04  EP 4 OUT
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0040  1x 64 bytes
>        bInterval               2
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        4
>      bAlternateSetting       0
>      bNumEndpoints           1
>      bInterfaceClass         3 Human Interface Device
>      bInterfaceSubClass      0 No Subclass
>      bInterfaceProtocol      0 None
>      iInterface              9 Accelerometer
>        HID Device Descriptor:
>          bLength                 9
>          bDescriptorType        33
>          bcdHID               1.10
>          bCountryCode            0 Not supported
>          bNumDescriptors         1
>          bDescriptorType        34 Report
>          wDescriptorLength      27
>         Report Descriptors: 
>           ** UNAVAILABLE **
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x85  EP 5 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0040  1x 64 bytes
>        bInterval               2
>Device Status:     0x0000
>  (Bus Powered)