Re: [PATCH] hid: Logitech G13 driver 0.0.3

From: Pavel Machek
Date: Thu Jan 07 2010 - 14:35:40 EST


On Thu 2010-01-07 09:23:24, Rick L. Vinyard Jr. wrote:
>
> This is a driver for the Logitech G13 gamepad, and contains three key
> parts. Through the USB reports the device identifies itself as a HID, and as
> a result this driver is under the HID framework.
...
> Although identified as a HID, the device does not support standard HID
> input messages. As a result, a sub-input device is allocated and
> registered separately in g13_probe(). The raw events are monitored

Ok, so the device pretends to be a HID device, but it is not. that
seems like rather poor reason...

> --- /dev/null
> +++ b/drivers/hid/hid-g13.c
> @@ -0,0 +1,1598 @@

...to put it into hid directory.

> +#define G13_G1 0
> +#define G13_G2 1
> +#define G13_G3 2
> +#define G13_G4 3
> +#define G13_G5 4
> +#define G13_G6 5
> +#define G13_G7 6
> +#define G13_G8 7
> +#define G13_G9 8
> +#define G13_G10 9
> +#define G13_G11 10
> +#define G13_G12 11
> +#define G13_G13 12
> +#define G13_G14 13
> +#define G13_G15 14
> +#define G13_G16 15
> +#define G13_G17 16
> +#define G13_G18 17
> +#define G13_G19 18
> +#define G13_G20 19
> +#define G13_G21 20
> +#define G13_G22 21

This looks like waste of space.

> +static unsigned char g13_lcd_bits[] = {
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x3c, 0x00, 0x00, 0x00, 0xc0, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc3, 0x01, 0x00,
> + 0x00, 0x20, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x02, 0x00, 0x00, 0x20, 0x10, 0x01,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x80, 0x40, 0x04, 0x00, 0x00, 0x10, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x04, 0x00,
> + 0x00, 0x10, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x08, 0x00, 0x00, 0xd0, 0x18, 0x02,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x40, 0x63, 0x08, 0x00, 0x00, 0xd0, 0x1c, 0x02, 0x00, 0xf0, 0xff, 0xff,
> + 0x83, 0xff, 0x01, 0xf8, 0xff, 0xff, 0x03, 0x00, 0x40, 0x73, 0x08, 0x00,
> + 0x00, 0x10, 0x25, 0x02, 0x00, 0xf8, 0xff, 0xff, 0x83, 0xff, 0x01, 0xf8,
> + 0xff, 0xff, 0x07, 0x00, 0x40, 0x94, 0x08, 0x00, 0x00, 0x10, 0x20, 0x02,
> + 0x00, 0xfc, 0xff, 0xff, 0x83, 0xff, 0x01, 0xf8, 0xff, 0xff, 0x0f, 0x00,
> + 0x40, 0x80, 0x08, 0x00, 0x00, 0xd0, 0x1e, 0x02, 0x00, 0xfe, 0xff, 0xff,
> + 0x83, 0xff, 0x01, 0xf8, 0xff, 0xff, 0x1f, 0x00, 0x40, 0x7b, 0x08, 0x00,
> + 0x00, 0xd0, 0x27, 0x02, 0x00, 0xfe, 0xff, 0xff, 0x83, 0xff, 0x01, 0xf8,
> + 0xff, 0xff, 0x1f, 0x00, 0x40, 0x9f, 0x08, 0x00, 0x00, 0x90, 0x1b, 0x02,
> + 0x00, 0x3e, 0x00, 0x00, 0x00, 0xf0, 0x01, 0x00, 0x00, 0x00, 0x1f, 0x00,
> + 0x40, 0x6e, 0x08, 0x00, 0x00, 0x10, 0x24, 0x02, 0x00, 0x3e, 0x00, 0x00,
> + 0x00, 0xf0, 0x01, 0x00, 0x00, 0x00, 0x1f, 0x00, 0x40, 0x90, 0x08, 0x00,
> + 0x00, 0x48, 0x3b, 0x05, 0x00, 0x3e, 0x00, 0x00, 0x00, 0xf0, 0x01, 0x00,
> + 0x00, 0x00, 0x1f, 0x00, 0x20, 0xed, 0x14, 0x00, 0x00, 0xc8, 0x7c, 0x08,
> + 0x00, 0x3e, 0x00, 0x00, 0x00, 0xf0, 0x01, 0x00, 0x00, 0x00, 0x1f, 0x00,
> + 0x20, 0xf3, 0x21, 0x00, 0x00, 0xe4, 0x7f, 0x10, 0x00, 0x3e, 0x00, 0x00,
> + 0x00, 0xf0, 0x01, 0x00, 0x00, 0x00, 0x1f, 0x00, 0x90, 0xff, 0x41, 0x00,
> + 0x00, 0xe2, 0xff, 0x20, 0x00, 0x3e, 0x00, 0x00, 0x00, 0xf0, 0x01, 0x00,
> + 0x00, 0x00, 0x1f, 0x00, 0x88, 0xff, 0x83, 0x00, 0x00, 0xc2, 0x9c, 0x40,
> + 0x00, 0x3e, 0xf8, 0xff, 0x07, 0xf0, 0x01, 0xf8, 0xff, 0xff, 0x1f, 0x00,
> + 0x08, 0x73, 0x02, 0x01, 0x00, 0xf1, 0x3e, 0x41, 0x00, 0x3e, 0xf8, 0xff,
> + 0x07, 0xf0, 0x01, 0xf8, 0xff, 0xff, 0x0f, 0x00, 0xc4, 0xfb, 0x04, 0x01,
> + 0x00, 0xf1, 0x7f, 0x40, 0x00, 0x3e, 0xf8, 0xff, 0x07, 0xf0, 0x01, 0xf8,
> + 0xff, 0xff, 0x07, 0x00, 0xc4, 0xff, 0x01, 0x01, 0x80, 0xf8, 0xff, 0x89,
> + 0x00, 0x3e, 0xf8, 0xff, 0x07, 0xf0, 0x01, 0xf8, 0xff, 0xff, 0x0f, 0x00,
> + 0xe2, 0xff, 0x27, 0x02, 0x80, 0xf8, 0xff, 0x93, 0x00, 0x3e, 0xf8, 0xff,
> + 0x07, 0xf0, 0x01, 0xf8, 0xff, 0xff, 0x0f, 0x00, 0xe2, 0xff, 0x4f, 0x02,
> + 0x40, 0xfc, 0xff, 0x93, 0x00, 0x3e, 0x00, 0xc0, 0x07, 0xf0, 0x01, 0x00,
> + 0x00, 0x00, 0x1f, 0x00, 0xf1, 0xff, 0x4f, 0x02, 0x40, 0xfc, 0xff, 0x13,
> + 0x01, 0x3e, 0x00, 0xc0, 0x07, 0xf0, 0x01, 0x00, 0x00, 0x00, 0x1f, 0x00,
> + 0xf1, 0xff, 0x4f, 0x04, 0x20, 0x7c, 0xff, 0x13, 0x01, 0x3e, 0x00, 0xc0,
> + 0x07, 0xf0, 0x01, 0x00, 0x00, 0x00, 0x1f, 0x80, 0xf0, 0xfd, 0x4f, 0x04,
> + 0x20, 0x7c, 0xff, 0x13, 0x01, 0x3e, 0x00, 0xc0, 0x07, 0xf0, 0x01, 0x00,
> + 0x00, 0x00, 0x1f, 0x80, 0xf0, 0xfd, 0x4f, 0x04, 0x20, 0x7c, 0xff, 0x3b,
> + 0x01, 0x3e, 0x00, 0xc0, 0x07, 0xf0, 0x01, 0x00, 0x00, 0x00, 0x1f, 0x80,
> + 0xf0, 0xfd, 0xef, 0x04, 0xa0, 0xfc, 0xff, 0x00, 0x01, 0x3e, 0x00, 0xc0,
> + 0x07, 0xf0, 0x01, 0x00, 0x00, 0x00, 0x1f, 0x80, 0xf2, 0xff, 0x03, 0x04,
> + 0xc0, 0xfb, 0x7f, 0x83, 0x00, 0xfe, 0xff, 0xff, 0x87, 0xff, 0x7f, 0xf8,
> + 0xff, 0xff, 0x1f, 0x00, 0xef, 0xff, 0x0d, 0x02, 0xe0, 0xe7, 0x7f, 0xc7,
> + 0x00, 0xfe, 0xff, 0xff, 0x87, 0xff, 0x7f, 0xf8, 0xff, 0xff, 0x1f, 0x80,
> + 0x9f, 0xff, 0x1d, 0x03, 0xf0, 0xc7, 0x7f, 0xff, 0x00, 0xfc, 0xff, 0xff,
> + 0x87, 0xff, 0x7f, 0xf8, 0xff, 0xff, 0x0f, 0xc0, 0x1f, 0xff, 0xfd, 0x03,
> + 0xf8, 0xcf, 0x7f, 0xff, 0x03, 0xfc, 0xff, 0xff, 0x87, 0xff, 0x7f, 0xf8,
> + 0xff, 0xff, 0x0f, 0xe0, 0x3f, 0xff, 0xfd, 0x0f, 0xf8, 0xcf, 0x7f, 0xff,
> + 0x03, 0xf0, 0xff, 0xff, 0x87, 0xff, 0x7f, 0xf8, 0xff, 0xff, 0x03, 0xe0,
> + 0x3f, 0xff, 0xfd, 0x0f, 0xfc, 0xef, 0x7f, 0xff, 0x07, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xbf, 0xff, 0xfd, 0x1f,
> + 0xfc, 0xdf, 0x9f, 0xff, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0xf0, 0x7f, 0x7f, 0xfe, 0x0f, 0xfc, 0x3f, 0x80, 0xff,
> + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0,
> + 0xff, 0x00, 0xfe, 0x07, 0xf8, 0x3f, 0x80, 0x7f, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0xff, 0x00, 0xfe, 0x01,
> + 0xc0, 0xdf, 0x7f, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xfd, 0x00, 0x00, 0x1c, 0x00, 0x1f,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x70, 0x00, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };

...as does this.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
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