Messages in this thread | | | Date | Fri, 23 Apr 2004 12:46:00 +0200 (CEST) | From | Peter Berg Larsen <> | Subject | Re: [RFT] ALPS touchpad driver |
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On Fri, 23 Apr 2004, Dmitry Torokhov wrote:
> I found on the net a possible way to detect ALPS driver so I made some changes > to your driver. Unfortunately I do not have ALPS touchpad so if anyone could > give it a spin I's appreciate it.
> + /* Now try "E7 report". ALPS should return 0x33 in byte 1 */ > + param[0] = 0; > + if (psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES) || > + psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE21) || > + psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE21) || > + psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE21)) > + return 0; > + > + param[0] = param[1] = param[2] = 0xff; > + if (psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO)) > + return 0; > + > + printk(KERN_INFO "alps.c: E7 report: %2.2x %2.2x %2.2x\n", > + param[0], param[1], param[2]); > + > + return param[0] != 0x33;
Depending on ALPS version this request is also known to return one of glidepats: 0x33,0x02,0x0a, 0x53,0x02,0x0a, 0x53,0x02,0x14, 0x63,0x02,0x0a, 0x63,0x02,0x14, 0x63,0x02,0x28, 0x63,0x02,0x3c, 0x63,0x02,0x50, 0x63,0x02,0x64, 0x73,0x02,0x0a,
glidepoints: 0x20,0x02,0x0e, 0x22,0x02,0x0a, 0x22,0x02,0x14,
Peter -- E-Mail: pebl@math.ku.dk Real name: Peter Berg Larsen Where: Department of Computer Science, Copenhagen Uni., Denmark
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