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| author | Simon Wood <simon@mungewell.org> | 2011-06-10 12:00:26 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-06-13 13:20:06 +0200 |
| commit | 61ab44bebdefab296487e7cd723a634849278827 (patch) | |
| tree | c715bcb3a51cd970a6543fed641202e8d1757ff5 /drivers/hid | |
| parent | 74bc6953135ae1478acc18046321bfca05b0e823 (diff) | |
| download | linux-0-day-61ab44bebdefab296487e7cd723a634849278827.tar.gz linux-0-day-61ab44bebdefab296487e7cd723a634849278827.tar.xz | |
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>
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-sony.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 936c911fdca60..539850769b17d 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -28,6 +28,12 @@ #define SIXAXIS_CONTROLLER_USB (1 << 1) #define SIXAXIS_CONTROLLER_BT (1 << 2) +static const u8 sixaxis_rdesc_fixup[] = { + 0x95, 0x13, 0x09, 0x01, 0x81, 0x02, 0x95, 0x0C, + 0x81, 0x01, 0x75, 0x10, 0x95, 0x04, 0x26, 0xFF, + 0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02 +}; + struct sony_sc { unsigned long quirks; }; @@ -43,6 +49,15 @@ static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc, hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n"); rdesc[55] = 0x06; } + + /* The HID descriptor exposed over BT has a trailing zero byte */ + if ((((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize == 148) || + ((sc->quirks & SIXAXIS_CONTROLLER_BT) && *rsize == 149)) && + rdesc[83] == 0x75) { + hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n"); + memcpy((void *)&rdesc[83], (void *)&sixaxis_rdesc_fixup, + sizeof(sixaxis_rdesc_fixup)); + } return rdesc; } |