Hi Sergey, On Mon, Aug 18, 2008 at 01:17:48PM +0400, ???????????? ?????????????? wrote: > Hello. > Current kernel has no support for autocentering for Logitech wheels. > By default autocentering enabled in wheel and constant effect does not > work properly. Using USB sniffer I found command which change > autocentering settings: 0xFE, 0x0D, 0x0R, 0x0L, 0x80, 0x00, 0x00, > where R - clockwise force, L - counter-clockwise (0x0-0xF, 0xC = > 100%). I write patch for my current kernel (2.6.25), but I think git > version also supported, because I do not found any changes in it. > Currently kernel interface has no support for separate autocenter > control and so I do not implement it. > And some interesting command 0xF3 (or 0xF5 - I do not understand > difference) which makes wheel very easy to rotate (a-la wheel booster > - no any resistance). Effect of that command can be disabled by > setting any (zero too) autocentering strength. I do not found in > kernel interface any standart command for this feature. This could probably implemented via a sysfs device knob... > > error = input_ff_create_memless(dev, NULL, hid_lgff_play); > if (error) > return error; > > + if (autocenter && dev->ff && (!dev->ff->set_autocenter)) > + dev->ff->set_autocenter = hid_lgff_set_autocenter; > + You can just do "if (test_bit(FF_AUTOCENTER, dev->ffbit))" and you won't need a temp variable. Also why do you need the rest of the check? -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
