Messages in this thread Patch in this message |  | | | Date | Sat, 18 Dec 2004 04:22:00 +0000 | | From | Mikkel Krautz <> | | Subject | Re: [PATCH] hid-core: Configurable USB HID Mouse Interrupt Polling Interval |
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On Fri, 17 Dec 2004 19:43:23 -0500, Gene Heskett <gene.heskett@verizon.net> wrote: > Mikkel, could you please turn off the word wrap in your MTA's > composer and repost this? I'd like to try it.
Sorry about that. Here's a repost. Now even with a diffstat:
Signed-off-by: Mikkel Krautz <krautz@gmail.com> --- Kconfig | 32 ++++++++++++++++++++++++++++++++ hid-core.c | 8 +++++++- 2 files changed, 39 insertions(+), 1 deletion(-)
--- clean/drivers/usb/input/Kconfig +++ dirty/drivers/usb/input/Kconfig @@ -24,6 +24,38 @@ To compile this driver as a module, choose M here: the module will be called usbhid.
+config USB_HID_MOUSE_POLLING_INTERVAL + int "USB HID Mouse Interrupt Polling Interval" + default 10 + depends on USB_HID + help + The "USB HID Mouse Interrupt Polling Interval" is the interval, at + which your USB HID mouse is to be polled at. The interval is + specified in miliseconds. + + Decreasing the interval will, of course, give you a much more + precise mouse. + + Generally speaking, a polling interval of 2 ms should be more than + enough for most people, and is great for gaming and other things + that require high precision. + + An interval lower than the default is not guaranteed work on your + specific piece of hardware. If you want to play it safe, don't + change this value. + + Now, if you indeed want to feel the joy of a precise mouse, the + following mice are known to work without problems, when the interval + is set to at least 2 ms: + + * Logitech's MX-family + * Logitech Mouse Man Dual Optical + * Logitech iFeel + * Microsoft Intellimouse Explorer + * Microsoft Intellimouse Optical 1.1 + + If unsure, keep it at 10 ms. + comment "Input core support is needed for USB HID input layer or HIDBP support" depends on USB_HID && INPUT=n
--- clean/drivers/usb/input/hid-core.c +++ dirty/drivers/usb/input/hid-core.c @@ -37,7 +37,7 @@ * Version Information */
-#define DRIVER_VERSION "v2.0" +#define DRIVER_VERSION "v2.01" #define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik" #define DRIVER_DESC "USB HID core driver" #define DRIVER_LICENSE "GPL" @@ -1663,6 +1663,12 @@ if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */ continue;
+ /* Set the interrupt polling interval of mice, to the one specified in the config. */ + if (hid->collection->usage == HID_GD_MOUSE + && CONFIG_USB_HID_MOUSE_POLLING_INTERVAL > 0 + && CONFIG_USB_HID_MOUSE_POLLING_INTERVAL < 255) + endpoint->bInterval = CONFIG_USB_HID_MOUSE_POLLING_INTERVAL; + /* handle potential highspeed HID correctly */ interval = endpoint->bInterval; if (dev->speed == USB_SPEED_HIGH)
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