HID: hid-sony: amend Sixaxis descriptor to enable accelerometers
Modify the HID descriptor of the Sixaxis controller to allow the reporting of the accelerometers and gyro via a joystick axis. Rewrite section from offset 83: -- 0x75, 0x08, /* Report Size (8), */ /* all the other data lumped together */ 0x95, 0x27, /* Report Count (39), */ 0x09, 0x01, /* Usage (Pointer), */ 0x81, 0x02, /* Input (Variable), */ 0x75, 0x08, /* Report Size (8), */ 0x95, 0x30, /* Report Count (48), */ 0x09, 0x01, /* Usage (Pointer), */ /* Note Output */ 0x91, 0x02, /* Output (Variable), */ 0x75, 0x08, /* Report Size (8), */ 0x95, 0x30, /* Report Count (48), */ 0x09, 0x01, /* Usage (Pointer), */ /* Note Feature */ 0xB1, 0x02, /* Feature (Variable), */ -- with -- /* last 2 not used... */ 0x95, 0x13, /* Report Count (19), */ 0x09, 0x01, /* Usage (Pointer), */ 0x81, 0x02, /* Input (Variable), */ /* Padding */ 0x95, 0x0C, /* Report Count (12), */ 0x81, 0x01, /* Input (Constant), */ 0x75, 0x10, /* Report Size (16), */ 0x95, 0x04, /* Report Count (4), */ 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ 0x46, 0xFF, 0x03, /* Physical Maximum (1023), */ 0x09, 0x01, /* Usage (Pointer), */ 0x81, 0x02, /* Input (Variable), */ -- Signed-off-by: Simon Wood <simon@mungewell.org> Signed-off-by: Antonio Ospite <ospite@studenti.unina.it> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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1 changed files with 15 additions and 0 deletions
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@ -28,6 +28,12 @@
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#define SIXAXIS_CONTROLLER_USB (1 << 1)
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#define SIXAXIS_CONTROLLER_USB (1 << 1)
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#define SIXAXIS_CONTROLLER_BT (1 << 2)
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#define SIXAXIS_CONTROLLER_BT (1 << 2)
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static const u8 sixaxis_rdesc_fixup[] = {
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0x95, 0x13, 0x09, 0x01, 0x81, 0x02, 0x95, 0x0C,
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0x81, 0x01, 0x75, 0x10, 0x95, 0x04, 0x26, 0xFF,
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0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02
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};
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struct sony_sc {
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struct sony_sc {
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unsigned long quirks;
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unsigned long quirks;
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};
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};
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@ -43,6 +49,15 @@ static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n");
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hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n");
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rdesc[55] = 0x06;
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rdesc[55] = 0x06;
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}
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}
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/* The HID descriptor exposed over BT has a trailing zero byte */
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if ((((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize == 148) ||
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((sc->quirks & SIXAXIS_CONTROLLER_BT) && *rsize == 149)) &&
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rdesc[83] == 0x75) {
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hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n");
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memcpy((void *)&rdesc[83], (void *)&sixaxis_rdesc_fixup,
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sizeof(sixaxis_rdesc_fixup));
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}
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return rdesc;
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return rdesc;
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}
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}
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