Re: Logitech Mouseman Dual Optical defaults to 400cpi

Chris Faherty
2002-06-09T00:24:49Z

On Saturday 08 June 2002 12:53 pm, Chris Faherty wrote:

> I can't find any information on how to switch it into 800cpi mode.

Well, I managed to figure it out today. Sending the special code to the
MouseMan Dual Optical turns it into 800cpi mode.. much better! Anyhow, I
just put a test for this particular mouse in the hid_probe() and wrote the
codes to the mouse. Not sure if that's the best place.

This is for 2.2.20:

--- hid.c-orig Sun Mar 25 11:37:37 2001
+++ hid.c Sat Jun 8 17:55:02 2002
@@ -1523,6 +1523,19 @@

printk(" on usb%d:%d.%d\n", dev->bus->busnum, dev->devnum, ifnum);

+#define USB_VENDOR_ID_LOGITECH 0x046d
+#define USB_DEVICE_ID_LOGITECH_DOPTICAL 0xc012
+ if ((hid->dev->descriptor.idVendor == USB_VENDOR_ID_LOGITECH) &&
+ (hid->dev->descriptor.idProduct ==
USB_DEVICE_ID_LOGITECH_DOPTICAL)) {
+ printk("Setting Logitech MouseMan Dual Optical for 800cpi\n");
+ usb_control_msg(hid->dev, usb_sndctrlpipe(hid->dev, 0),
+ 0x0a, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT,
+ 0x0000, 0x0000, NULL, 0, HZ);
+ usb_control_msg(hid->dev, usb_sndctrlpipe(hid->dev, 0),
+ 0x02, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT,
+ 0x000e, 0x0004, NULL, 0, HZ);
+ }
+
return hid;
}

--
/* Chris Faherty <rallymonkey@bellsouth.net> */