Hi Tommy, This is the output of `dmesg | grep -i 'input\|alps'` command after V5 enforced: [ 1.592880] input: Lid Switch as /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input0 [ 1.593928] input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input1 [ 1.593964] input: Sleep Button as /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input2 [ 1.593999] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.788587] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 2.661783] input: PS/2 Mouse as /devices/platform/i8042/serio1/input/input5 [ 2.674857] input: AlpsPS/2 ALPS GlidePoint as /devices/platform/i8042/serio1/input/input6
...and before my patch (current kernel behavior): [ 1.604029] input: Lid Switch as /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input0 [ 1.606813] input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input1 [ 1.608991] input: Sleep Button as /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input2 [ 1.610997] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 3.636959] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 8.377859] input: DualPoint Stick as /devices/platform/i8042/serio1/input/input5 [ 8.542194] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input6 Vasily Titskiy On Fri, Feb 7, 2014 at 3:18 AM, Tommy Will <[email protected]> wrote: > Hi Vasily, > > Thanks for your mail & information. We would start the investigation > and give you feedback later. > Please wait. > >> The issues occurs on every kernel after >> 1302bac33d9e88cd43e482191a806998f3ed43cc commit. Before the commit, this >> touchpad device was detected as PS/2 mouse and "cat /dev/input/mice" shows >> data when the touchpad is used. >> After the commit, there are no events from the touchpad in /dev/input/mice >> or /dev/input/mouseX files anymore. >> >> According to drivers/input/mouse/alps.c source file, all devices with >> signatures "ec[0] == 0x88 && ec[1] == 0x08" are treated as "Rushmore >> touchpads". This touchpad has E7 signature of "73-03-0A" and EC signature of >> "88-08-22", and it looks like that V5 protocol (not >> "Rushmore") should be used here. If V5 protocol is forced to use for this >> device then everything works fine. >> >> The patch is trivial, but I'm not sure how to properly separate "Rushmore" >> and "V5" devices. Are there any datasheets or experts to help me with it? >> > > I checked the E7 & EC information and think it should be a Rushmore device. > Could you please let me know after you use V5 protocol, if touchpad > still be recognized as "AlpsPS/2 ALPS DualPoint TouchPad" or returns > to "PS/2 Generic Mouse" ? > > Thanks > -- > Best Regards, > Tommy -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
