Messages in this thread | | | Subject | Re: [PATCH] Input: ALPS - fix DualPoint flag for 74 03 28 devices | From | Aaron Ma <> | Date | Thu, 16 Nov 2017 17:07:12 +0800 |
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Hi Masaki Ota:
Yes, the laptop is L570.
If your code is right, the workaround code for L570 must be done.
Please fix it ASAP.
Regards, Aaron
On 11/16/2017 03:27 PM, Masaki Ota wrote: > Hi, Pali, Aaron, > > Current code is correct device setting, previous code is wrong. > If the trackstick does not work(DUALPOINT flag disable), Device Firmware setting is wrong. > > But recently I received the same report from Thinkpad L570 user, and I checked this device and found this device Firmware setting is wrong. Sorry for our mistake. > Is your laptop L570 ? > > I will add code that supports the trackstick for this device. > > Best Regards, > Masaki Ota > -----Original Message----- > From: Pali Rohár [mailto:pali.rohar@gmail.com] > Sent: Wednesday, November 15, 2017 5:35 PM > To: 太田 真喜 Masaki Ota <masaki.ota@jp.alps.com> > Cc: linux-input@vger.kernel.org; linux-kernel@vger.kernel.org; dmitry.torokhov@gmail.com; Aaron Ma <aaron.ma@canonical.com> > Subject: Re: [PATCH] Input: ALPS - fix DualPoint flag for 74 03 28 devices > > On Wednesday 15 November 2017 14:34:04 Aaron Ma wrote: >> There is a regression of commit 4a646580f793 ("Input: ALPS - fix >> two-finger scroll breakage"), ALPS device fails with log: >> >> psmouse serio1: alps: Rejected trackstick packet from non DualPoint >> device >> >> ALPS device with id "74 03 28" report OTP[0] data 0xCE after commit >> 4a646580f793, after restore the OTP reading order, it becomes to 0x10 >> as before and reports the right flag. >> >> Fixes: 4a646580f793 ("Input: ALPS - fix two-finger scroll breakage") >> Cc: <stable@vger.kernel.org> >> Signed-off-by: Aaron Ma <aaron.ma@canonical.com> >> --- >> drivers/input/mouse/alps.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c >> index 579b899add26..c59b8f7ca2fc 100644 >> --- a/drivers/input/mouse/alps.c >> +++ b/drivers/input/mouse/alps.c >> @@ -2562,8 +2562,8 @@ static int alps_set_defaults_ss4_v2(struct >> psmouse *psmouse, >> >> memset(otp, 0, sizeof(otp)); >> >> - if (alps_get_otp_values_ss4_v2(psmouse, 1, &otp[1][0]) || >> - alps_get_otp_values_ss4_v2(psmouse, 0, &otp[0][0])) >> + if (alps_get_otp_values_ss4_v2(psmouse, 0, &otp[0][0]) || >> + alps_get_otp_values_ss4_v2(psmouse, 1, &otp[1][0])) >> return -1; >> >> alps_update_device_area_ss4_v2(otp, priv); > > Masaki Ota, please look at this patch as it partially revert your commit > 4a646580f793 ("Input: ALPS - fix two-finger scroll breakage"). Something smells here. > > -- > Pali Rohár > pali.rohar@gmail.com >
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