Re: [PATCH] [v2] Input: Add "Share" button to Microsoft Xbox One controller.

From: Chris Ye
Date: Sat Apr 10 2021 - 02:22:28 EST

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>From the product information site
https://www.xbox.com/en-US/accessories/controllers/xbox-wireless-controller
this button is referred as "Share button":
"Stay on target with textured grip and a hybrid D-pad. Seamlessly
capture and share content with a dedicated Share button. Quickly pair
with, play on, and switch between devices "
Should we override the product button name and name it "Select" in
driver? I am ok with either way but can we have a name everyone can
agree on and move forward?

Thanks!
Chris

On Tue, Mar 23, 2021 at 2:52 PM Chris Ye <lzye@xxxxxxxxxx> wrote:
>
> The name "Share button" is a product name from Microsoft and they choose the button to be used for "record" as the device firmware maps the button to Consumer(Record) HID usage.
> Can we accept the patch to make the "Share button" to work consistently under USB mode, same as Bluetooth mode?
>
> Thanks!
> Chris
>
> On Thu, Mar 4, 2021 at 11:18 PM Bastien Nocera <hadess@xxxxxxxxxx> wrote:
>>
>> On Thu, 2021-03-04 at 20:42 -0800, Roderick Colenbrander wrote:
>> > (resend in plain text)
>> > +benjamin in a more explicit way
>> >
>> > Hi Chris,
>> >
>> > I see the need for the Record button. I wonder what makes sense from
>> > the Linux kernel perspective. For DualShock 4 and DualSense there is a
>> > Share button too (it introduced it). For DualShock 4 that was mapped
>> > to 'Select' I think per Linux gamepad spec. For DualSense in 5.12 we
>> > did the same... Though if there is a true 'Record' button we want to
>> > use moving forward. Maybe we still want to change the button
>> > definition for DualSensein 5.12 while we can...
>> >
>> > It would be good to get some consensus on these buttons.
>>
>> The XBox One Series X controller has 3 of those "middle" buttons, 2
>> equivalent to Start/Select on older controllers (that were already
>> present on older versions of the pad) and Share.
>> https://www.xbox.com/en-US/accessories/controllers/xbox-wireless-controller
>>
>> The Options buttons on the DS4 replaces Start and Select:
>> https://manuals.playstation.net/document/en/ps4/basic/pn_controller.html
>> so Share got added, but Select taken away, which is why you had to
>> label it Select in the driver.
>>
>> I don't really see how to fix that without retroactively re-adding
>> buttons to the DS4 controller ;)
>>
>> >
>> > Thanks,
>> > Roderick
>> >
>> >
>> > On Thu, Mar 4, 2021 at 6:25 PM Chris Ye <lzye@xxxxxxxxxx> wrote:
>> > >
>> > > Hi Bastien, just want to follow up again on this. I've checked
>> > > again
>> > > with the Xbox team that the "Share button" is given for the product,
>> > > the HID usage profile and mapping to RECORD is what Xbox team expects
>> > > and they want the same mapping for USB.
>> > >
>> > > Thanks!
>> > > Chris
>> > >
>> > >
>> > > On Tue, Mar 2, 2021 at 3:57 PM Chris Ye <lzye@xxxxxxxxxx> wrote:
>> > > >
>> > > > Hi Bastien,
>> > > > The "Share button" is a name Microsoft calls it, it actually
>> > > > has
>> > > > HID descriptor defined in the bluetooth interface, which the HID
>> > > > usage
>> > > > is:
>> > > > consumer 0xB2:
>> > > > 0x05, 0x0C, // Usage Page (Consumer)
>> > > > 0x0A, 0xB2, 0x00, // Usage (Record)
>> > > > Microsoft wants the same key code to be generated consistently for
>> > > > USB
>> > > > and bluetooth.
>> > > > Thanks!
>> > > > Chris
>> > > >
>> > > >
>> > > > On Tue, Mar 2, 2021 at 1:50 AM Bastien Nocera <hadess@xxxxxxxxxx>
>> > > > wrote:
>> > > > >
>> > > > > On Thu, 2021-02-25 at 05:32 +0000, Chris Ye wrote:
>> > > > > > Add "Share" button input capability and input event mapping for
>> > > > > > Microsoft Xbox One controller.
>> > > > > > Fixed Microsoft Xbox One controller share button not working
>> > > > > > under USB
>> > > > > > connection.
>> > > > > >
>> > > > > > Signed-off-by: Chris Ye <lzye@xxxxxxxxxx>
>> > > > > > ---
>> > > > > > drivers/input/joystick/xpad.c | 9 ++++++++-
>> > > > > > 1 file changed, 8 insertions(+), 1 deletion(-)
>> > > > > >
>> > > > > > diff --git a/drivers/input/joystick/xpad.c
>> > > > > > b/drivers/input/joystick/xpad.c
>> > > > > > index 9f0d07dcbf06..0c3374091aff 100644
>> > > > > > --- a/drivers/input/joystick/xpad.c
>> > > > > > +++ b/drivers/input/joystick/xpad.c
>> > > > > > @@ -79,6 +79,7 @@
>> > > > > > #define MAP_DPAD_TO_BUTTONS (1 << 0)
>> > > > > > #define MAP_TRIGGERS_TO_BUTTONS (1 << 1)
>> > > > > > #define MAP_STICKS_TO_NULL (1 << 2)
>> > > > > > +#define MAP_SHARE_BUTTON (1 << 3)
>> > > > > > #define DANCEPAD_MAP_CONFIG (MAP_DPAD_TO_BUTTONS
>> > > > > > > \
>> > > > > > MAP_TRIGGERS_TO_BUTTONS |
>> > > > > > MAP_STICKS_TO_NULL)
>> > > > > >
>> > > > > > @@ -130,6 +131,7 @@ static const struct xpad_device {
>> > > > > > { 0x045e, 0x02e3, "Microsoft X-Box One Elite pad", 0,
>> > > > > > XTYPE_XBOXONE },
>> > > > > > { 0x045e, 0x02ea, "Microsoft X-Box One S pad", 0,
>> > > > > > XTYPE_XBOXONE
>> > > > > > },
>> > > > > > { 0x045e, 0x0719, "Xbox 360 Wireless Receiver",
>> > > > > > MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
>> > > > > > + { 0x045e, 0x0b12, "Microsoft X-Box One X pad",
>> > > > > > MAP_SHARE_BUTTON, XTYPE_XBOXONE },
>> > > > > > { 0x046d, 0xc21d, "Logitech Gamepad F310", 0,
>> > > > > > XTYPE_XBOX360 },
>> > > > > > { 0x046d, 0xc21e, "Logitech Gamepad F510", 0,
>> > > > > > XTYPE_XBOX360 },
>> > > > > > { 0x046d, 0xc21f, "Logitech Gamepad F710", 0,
>> > > > > > XTYPE_XBOX360 },
>> > > > > > @@ -862,6 +864,8 @@ static void xpadone_process_packet(struct
>> > > > > > usb_xpad
>> > > > > > *xpad, u16 cmd, unsigned char
>> > > > > > /* menu/view buttons */
>> > > > > > input_report_key(dev, BTN_START, data[4] & 0x04);
>> > > > > > input_report_key(dev, BTN_SELECT, data[4] & 0x08);
>> > > > > > + if (xpad->mapping & MAP_SHARE_BUTTON)
>> > > > > > + input_report_key(dev, KEY_RECORD, data[22] &
>> > > > > > 0x01);
>> > > > > >
>> > > > > > /* buttons A,B,X,Y */
>> > > > > > input_report_key(dev, BTN_A, data[4] & 0x10);
>> > > > > > @@ -1669,9 +1673,12 @@ static int xpad_init_input(struct
>> > > > > > usb_xpad
>> > > > > > *xpad)
>> > > > > >
>> > > > > > /* set up model-specific ones */
>> > > > > > if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype ==
>> > > > > > XTYPE_XBOX360W ||
>> > > > > > - xpad->xtype == XTYPE_XBOXONE) {
>> > > > > > + xpad->xtype == XTYPE_XBOXONE) {
>> > > > > > for (i = 0; xpad360_btn[i] >= 0; i++)
>> > > > > > input_set_capability(input_dev, EV_KEY,
>> > > > > > xpad360_btn[i]);
>> > > > > > + if (xpad->mapping & MAP_SHARE_BUTTON) {
>> > > > > > + input_set_capability(input_dev, EV_KEY,
>> > > > > > KEY_RECORD);
>> > > > >
>> > > > > Is there not a better keycode to use than "Record"? Should a
>> > > > > "share"
>> > > > > keycode be added?
>> > > > >
>> > > > > I couldn't find a share button in the most recent USB HID Usage
>> > > > > Tables:
>> > > > > https://www.usb.org/document-library/hid-usage-tables-121
>> > > > >
>> > > > > > + }
>> > > > > > } else {
>> > > > > > for (i = 0; xpad_btn[i] >= 0; i++)
>> > > > > > input_set_capability(input_dev, EV_KEY,
>> > > > > > xpad_btn[i]);
>> > > > >
>> > > > >
>>
>>

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