Re: [PATCH v2 1/2] Revert "HID: dragonrise: fix HID Descriptor for 0x0006 PID"

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On Tue, 27 Sep 2016, Ioan-Adrian Ratiu <adi@xxxxxxxxxx> wrote:
> This reverts commit 18339f59c3a6 ("HID: dragonrise: fix HID...") because it
> breaks certain dragonrise 0079:0006 gamepads. While it may fix a breakage
> caused by commit 79346d620e9d ("HID: input: force generic axis to be mapped
> to their user space axis"), it is probable that the manufacturer released
> different hardware with the same PID so this fix works for only a subset
> and breaks the other gamepads sharing the PID.
>
> What is needed is another more generic solution which fixes 79346d620e9d
> ("HID: input: force generic axis ...") breakage for this controller: we
> need to add an exception for this driver to make it keep the old behaviour
> previous to the initial breakage (this is done in patch 2 of this series).
>
> Signed-off-by: Ioan-Adrian Ratiu <adi@xxxxxxxxxx>

Ping?

Vladislav confirmed that this patch series also fixes the 0079:0011
DragonRise gamepad, so everything is good. Any info about merging?

Thank you,
Ionel

> ---
>  drivers/hid/hid-dr.c | 58 ----------------------------------------------------
>  1 file changed, 58 deletions(-)
>
> diff --git a/drivers/hid/hid-dr.c b/drivers/hid/hid-dr.c
> index 8fd4bf7..2523f8a 100644
> --- a/drivers/hid/hid-dr.c
> +++ b/drivers/hid/hid-dr.c
> @@ -234,58 +234,6 @@ static __u8 pid0011_rdesc_fixed[] = {
>  	0xC0                /*  End Collection                  */
>  };
>  
> -static __u8 pid0006_rdesc_fixed[] = {
> -	0x05, 0x01,        /* Usage Page (Generic Desktop)	*/
> -	0x09, 0x04,        /* Usage (Joystick)			*/
> -	0xA1, 0x01,        /* Collection (Application)		*/
> -	0xA1, 0x02,        /*   Collection (Logical)		*/
> -	0x75, 0x08,        /*     Report Size (8)		*/
> -	0x95, 0x05,        /*     Report Count (5)		*/
> -	0x15, 0x00,        /*     Logical Minimum (0)		*/
> -	0x26, 0xFF, 0x00,  /*     Logical Maximum (255)		*/
> -	0x35, 0x00,        /*     Physical Minimum (0)		*/
> -	0x46, 0xFF, 0x00,  /*     Physical Maximum (255)	*/
> -	0x09, 0x30,        /*     Usage (X)			*/
> -	0x09, 0x33,        /*     Usage (Ry)			*/
> -	0x09, 0x32,        /*     Usage (Z)			*/
> -	0x09, 0x31,        /*     Usage (Y)			*/
> -	0x09, 0x34,        /*     Usage (Ry)			*/
> -	0x81, 0x02,        /*     Input (Variable)		*/
> -	0x75, 0x04,        /*     Report Size (4)		*/
> -	0x95, 0x01,        /*     Report Count (1)		*/
> -	0x25, 0x07,        /*     Logical Maximum (7)		*/
> -	0x46, 0x3B, 0x01,  /*     Physical Maximum (315)	*/
> -	0x65, 0x14,        /*     Unit (Centimeter)		*/
> -	0x09, 0x39,        /*     Usage (Hat switch)		*/
> -	0x81, 0x42,        /*     Input (Variable)		*/
> -	0x65, 0x00,        /*     Unit (None)			*/
> -	0x75, 0x01,        /*     Report Size (1)		*/
> -	0x95, 0x0C,        /*     Report Count (12)		*/
> -	0x25, 0x01,        /*     Logical Maximum (1)		*/
> -	0x45, 0x01,        /*     Physical Maximum (1)		*/
> -	0x05, 0x09,        /*     Usage Page (Button)		*/
> -	0x19, 0x01,        /*     Usage Minimum (0x01)		*/
> -	0x29, 0x0C,        /*     Usage Maximum (0x0C)		*/
> -	0x81, 0x02,        /*     Input (Variable)		*/
> -	0x06, 0x00, 0xFF,  /*     Usage Page (Vendor Defined)	*/
> -	0x75, 0x01,        /*     Report Size (1)		*/
> -	0x95, 0x08,        /*     Report Count (8)		*/
> -	0x25, 0x01,        /*     Logical Maximum (1)		*/
> -	0x45, 0x01,        /*     Physical Maximum (1)		*/
> -	0x09, 0x01,        /*     Usage (0x01)			*/
> -	0x81, 0x02,        /*     Input (Variable)		*/
> -	0xC0,              /*   End Collection			*/
> -	0xA1, 0x02,        /*   Collection (Logical)		*/
> -	0x75, 0x08,        /*     Report Size (8)		*/
> -	0x95, 0x07,        /*     Report Count (7)		*/
> -	0x46, 0xFF, 0x00,  /*     Physical Maximum (255)	*/
> -	0x26, 0xFF, 0x00,  /*     Logical Maximum (255)		*/
> -	0x09, 0x02,        /*     Usage (0x02)			*/
> -	0x91, 0x02,        /*     Output (Variable)		*/
> -	0xC0,              /*   End Collection			*/
> -	0xC0               /* End Collection			*/
> -};
> -
>  static __u8 *dr_report_fixup(struct hid_device *hdev, __u8 *rdesc,
>  				unsigned int *rsize)
>  {
> @@ -296,12 +244,6 @@ static __u8 *dr_report_fixup(struct hid_device *hdev, __u8 *rdesc,
>  			*rsize = sizeof(pid0011_rdesc_fixed);
>  		}
>  		break;
> -	case 0x0006:
> -		if (*rsize == sizeof(pid0006_rdesc_fixed)) {
> -			rdesc = pid0006_rdesc_fixed;
> -			*rsize = sizeof(pid0006_rdesc_fixed);
> -		}
> -		break;
>  	}
>  	return rdesc;
>  }
> -- 
> 2.10.0
--
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