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Date: Thu, 4 Mar 2021 20:42:10 -0800
From: Roderick Colenbrander <thunderbird2k@...il.com>
To: Chris Ye <lzye@...gle.com>,
Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc: Bastien Nocera <hadess@...ess.net>,
Łukasz Patron <priv.luk@...il.com>,
Benjamin Valentin <benpicco@...glemail.com>,
Lee Jones <lee.jones@...aro.org>,
Olivier Crête <olivier.crete@...ete.ca>,
Sanjay Govind <sanjay.govind9@...il.com>,
Andrzej Pietrasiewicz <andrzej.p@...labora.com>,
linux-input <linux-input@...r.kernel.org>,
lkml <linux-kernel@...r.kernel.org>, trivial@...nel.org,
kernel-team@...roid.com
Subject: Re: [PATCH] [v2] Input: Add "Share" button to Microsoft Xbox One controller.
(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.
Thanks,
Roderick
On Thu, Mar 4, 2021 at 6:25 PM Chris Ye <lzye@...gle.com> 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@...gle.com> 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@...ess.net> 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@...gle.com>
> > > > ---
> > > > 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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