linux-toradex.git/drivers/input, branch v4.4.93 Linux kernel for Apalis and Colibri modules Input: i8042 - add Gigabyte P57 to the keyboard reset table 2017-09-27T09:00:13+00:00 Kai-Heng Feng kai.heng.feng@canonical.com 2017-09-15T16:36:16+00:00 bf592dde1262c7c3a65d879d09272902d3fa7c6b commit 697c5d8a36768b36729533fb44622b35d56d6ad0 upstream. Similar to other Gigabyte laptops, the touchpad on P57 requires a keyboard reset to detect Elantech touchpad correctly. BugLink: https://bugs.launchpad.net/bugs/1594214 Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 697c5d8a36768b36729533fb44622b35d56d6ad0 upstream.

Similar to other Gigabyte laptops, the touchpad on P57 requires a
keyboard reset to detect Elantech touchpad correctly.

BugLink: https://bugs.launchpad.net/bugs/1594214
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Input: trackpoint - assume 3 buttons when buttons detection fails 2017-09-13T21:09:44+00:00 Oscar Campos oscar.campos@member.fsf.org 2017-07-19T00:20:36+00:00 c5b8e1dd96299c0dd294e390485c759174844eb4 commit 293b915fd9bebf33cdc906516fb28d54649a25ac upstream. Trackpoint buttons detection fails on ThinkPad 570 and 470 series, this makes the middle button of the trackpoint to not being recogized. As I don't believe there is any trackpoint with less than 3 buttons this patch just assumes three buttons when the extended button information read fails. Signed-off-by: Oscar Campos <oscar.campos@member.fsf.org> Acked-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 293b915fd9bebf33cdc906516fb28d54649a25ac upstream.

Trackpoint buttons detection fails on ThinkPad 570 and 470 series,
this makes the middle button of the trackpoint to not being recogized.
As I don't believe there is any trackpoint with less than 3 buttons this
patch just assumes three buttons when the extended button information
read fails.

Signed-off-by: Oscar Campos <oscar.campos@member.fsf.org>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Input: elan_i2c - add ELAN0602 ACPI ID to support Lenovo Yoga310 2017-08-30T08:19:22+00:00 KT Liao kt.liao@emc.com.tw 2017-08-18T23:58:15+00:00 07051c1754775c95306ef75730efbaa321a97523 commit 1d2226e45040ed4aee95b633cbd64702bf7fc2a1 upstream. Add ELAN0602 to the list of known ACPI IDs to enable support for ELAN touchpads found in Lenovo Yoga310. Signed-off-by: KT Liao <kt.liao@emc.com.tw> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 1d2226e45040ed4aee95b633cbd64702bf7fc2a1 upstream.

Add ELAN0602 to the list of known ACPI IDs to enable support for ELAN
touchpads found in Lenovo Yoga310.

Signed-off-by: KT Liao <kt.liao@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Input: trackpoint - add new trackpoint firmware ID 2017-08-30T08:19:22+00:00 Aaron Ma aaron.ma@canonical.com 2017-08-18T19:17:21+00:00 5609ae96bcd6eca6c356d257aa5e7597c9e4284c commit ec667683c532c93fb41e100e5d61a518971060e2 upstream. Synaptics add new TP firmware ID: 0x2 and 0x3, for now both lower 2 bits are indicated as TP. Change the constant to bitwise values. This makes trackpoint to be recognized on Lenovo Carbon X1 Gen5 instead of it being identified as "PS/2 Generic Mouse". Signed-off-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit ec667683c532c93fb41e100e5d61a518971060e2 upstream.

Synaptics add new TP firmware ID: 0x2 and 0x3, for now both lower 2 bits
are indicated as TP. Change the constant to bitwise values.

This makes trackpoint to be recognized on Lenovo Carbon X1 Gen5 instead
of it being identified as "PS/2 Generic Mouse".

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Input: elan_i2c - Add antoher Lenovo ACPI ID for upcoming Lenovo NB 2017-08-25T00:02:35+00:00 KT Liao kt.liao@emc.com.tw 2017-08-15T03:11:59+00:00 ae4743cac8d771a614da982ed51ffd396041c3ec commit 76988690402dde2880bfe06ecccf381d48ba8e1c upstream. Add 2 new IDs (ELAN0609 and ELAN060B) to the list of ACPI IDs that should be handled by the driver. Signed-off-by: KT Liao <kt.liao@emc.com.tw> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 76988690402dde2880bfe06ecccf381d48ba8e1c upstream.

Add 2 new IDs (ELAN0609 and ELAN060B) to the list of ACPI IDs that should
be handled by the driver.

Signed-off-by: KT Liao <kt.liao@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Input: elan_i2c - add ELAN0608 to the ACPI table 2017-08-25T00:02:35+00:00 Kai-Heng Feng kai.heng.feng@canonical.com 2017-08-15T03:11:26+00:00 0dbf7f7811df34f0e6af97b885619780014f81e1 commit 1874064eed0502bd9bef7be8023757b0c4f26883 upstream. Similar to commit 722c5ac708b4f ("Input: elan_i2c - add ELAN0605 to the ACPI table"), ELAN0608 should be handled by elan_i2c. This touchpad can be found in Lenovo ideapad 320-14IKB. BugLink: https://bugs.launchpad.net/bugs/1708852 Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 1874064eed0502bd9bef7be8023757b0c4f26883 upstream.

Similar to commit 722c5ac708b4f ("Input: elan_i2c - add ELAN0605 to the
ACPI table"), ELAN0608 should be handled by elan_i2c.

This touchpad can be found in Lenovo ideapad 320-14IKB.

BugLink: https://bugs.launchpad.net/bugs/1708852

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Input: i8042 - fix crash at boot time 2017-07-27T22:06:08+00:00 Chen Hong chenhong3@huawei.com 2017-07-02T22:11:10+00:00 bba6b69e11777695256619a77f90081ac7f99de7 commit 340d394a789518018f834ff70f7534fc463d3226 upstream. The driver checks port->exists twice in i8042_interrupt(), first when trying to assign temporary "serio" variable, and second time when deciding whether it should call serio_interrupt(). The value of port->exists may change between the 2 checks, and we may end up calling serio_interrupt() with a NULL pointer: BUG: unable to handle kernel NULL pointer dereference at 0000000000000050 IP: [<ffffffff8150feaf>] _spin_lock_irqsave+0x1f/0x40 PGD 0 Oops: 0002 [#1] SMP last sysfs file: CPU 0 Modules linked in: Pid: 1, comm: swapper Not tainted 2.6.32-358.el6.x86_64 #1 QEMU Standard PC (i440FX + PIIX, 1996) RIP: 0010:[<ffffffff8150feaf>] [<ffffffff8150feaf>] _spin_lock_irqsave+0x1f/0x40 RSP: 0018:ffff880028203cc0 EFLAGS: 00010082 RAX: 0000000000010000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000282 RSI: 0000000000000098 RDI: 0000000000000050 RBP: ffff880028203cc0 R08: ffff88013e79c000 R09: ffff880028203ee0 R10: 0000000000000298 R11: 0000000000000282 R12: 0000000000000050 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000098 FS: 0000000000000000(0000) GS:ffff880028200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000050 CR3: 0000000001a85000 CR4: 00000000001407f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 1, threadinfo ffff88013e79c000, task ffff88013e79b500) Stack: ffff880028203d00 ffffffff813de186 ffffffffffffff02 0000000000000000 <d> 0000000000000000 0000000000000000 0000000000000000 0000000000000098 <d> ffff880028203d70 ffffffff813e0162 ffff880028203d20 ffffffff8103b8ac Call Trace: <IRQ> [<ffffffff813de186>] serio_interrupt+0x36/0xa0 [<ffffffff813e0162>] i8042_interrupt+0x132/0x3a0 [<ffffffff8103b8ac>] ? kvm_clock_read+0x1c/0x20 [<ffffffff8103b8b9>] ? kvm_clock_get_cycles+0x9/0x10 [<ffffffff810e1640>] handle_IRQ_event+0x60/0x170 [<ffffffff8103b154>] ? kvm_guest_apic_eoi_write+0x44/0x50 [<ffffffff810e3d8e>] handle_edge_irq+0xde/0x180 [<ffffffff8100de89>] handle_irq+0x49/0xa0 [<ffffffff81516c8c>] do_IRQ+0x6c/0xf0 [<ffffffff8100b9d3>] ret_from_intr+0x0/0x11 [<ffffffff81076f63>] ? __do_softirq+0x73/0x1e0 [<ffffffff8109b75b>] ? hrtimer_interrupt+0x14b/0x260 [<ffffffff8100c1cc>] ? call_softirq+0x1c/0x30 [<ffffffff8100de05>] ? do_softirq+0x65/0xa0 [<ffffffff81076d95>] ? irq_exit+0x85/0x90 [<ffffffff81516d80>] ? smp_apic_timer_interrupt+0x70/0x9b [<ffffffff8100bb93>] ? apic_timer_interrupt+0x13/0x20 To avoid the issue let's change the second check to test whether serio is NULL or not. Also, let's take i8042_lock in i8042_start() and i8042_stop() instead of trying to be overly smart and using memory barriers. Signed-off-by: Chen Hong <chenhong3@huawei.com> [dtor: take lock in i8042_start()/i8042_stop()] Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 340d394a789518018f834ff70f7534fc463d3226 upstream.

The driver checks port->exists twice in i8042_interrupt(), first when
trying to assign temporary "serio" variable, and second time when deciding
whether it should call serio_interrupt(). The value of port->exists may
change between the 2 checks, and we may end up calling serio_interrupt()
with a NULL pointer:

BUG: unable to handle kernel NULL pointer dereference at 0000000000000050
IP: [<ffffffff8150feaf>] _spin_lock_irqsave+0x1f/0x40
PGD 0
Oops: 0002 [#1] SMP
last sysfs file:
CPU 0
Modules linked in:

Pid: 1, comm: swapper Not tainted 2.6.32-358.el6.x86_64 #1 QEMU Standard PC (i440FX + PIIX, 1996)
RIP: 0010:[<ffffffff8150feaf>]  [<ffffffff8150feaf>] _spin_lock_irqsave+0x1f/0x40
RSP: 0018:ffff880028203cc0  EFLAGS: 00010082
RAX: 0000000000010000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000282 RSI: 0000000000000098 RDI: 0000000000000050
RBP: ffff880028203cc0 R08: ffff88013e79c000 R09: ffff880028203ee0
R10: 0000000000000298 R11: 0000000000000282 R12: 0000000000000050
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000098
FS:  0000000000000000(0000) GS:ffff880028200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000050 CR3: 0000000001a85000 CR4: 00000000001407f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 1, threadinfo ffff88013e79c000, task ffff88013e79b500)
Stack:
ffff880028203d00 ffffffff813de186 ffffffffffffff02 0000000000000000
<d> 0000000000000000 0000000000000000 0000000000000000 0000000000000098
<d> ffff880028203d70 ffffffff813e0162 ffff880028203d20 ffffffff8103b8ac
Call Trace:
<IRQ>
 [<ffffffff813de186>] serio_interrupt+0x36/0xa0
[<ffffffff813e0162>] i8042_interrupt+0x132/0x3a0
[<ffffffff8103b8ac>] ? kvm_clock_read+0x1c/0x20
[<ffffffff8103b8b9>] ? kvm_clock_get_cycles+0x9/0x10
[<ffffffff810e1640>] handle_IRQ_event+0x60/0x170
[<ffffffff8103b154>] ? kvm_guest_apic_eoi_write+0x44/0x50
[<ffffffff810e3d8e>] handle_edge_irq+0xde/0x180
[<ffffffff8100de89>] handle_irq+0x49/0xa0
[<ffffffff81516c8c>] do_IRQ+0x6c/0xf0
[<ffffffff8100b9d3>] ret_from_intr+0x0/0x11
[<ffffffff81076f63>] ? __do_softirq+0x73/0x1e0
[<ffffffff8109b75b>] ? hrtimer_interrupt+0x14b/0x260
[<ffffffff8100c1cc>] ? call_softirq+0x1c/0x30
[<ffffffff8100de05>] ? do_softirq+0x65/0xa0
[<ffffffff81076d95>] ? irq_exit+0x85/0x90
[<ffffffff81516d80>] ? smp_apic_timer_interrupt+0x70/0x9b
[<ffffffff8100bb93>] ? apic_timer_interrupt+0x13/0x20

To avoid the issue let's change the second check to test whether serio is
NULL or not.

Also, let's take i8042_lock in i8042_start() and i8042_stop() instead of
trying to be overly smart and using memory barriers.

Signed-off-by: Chen Hong <chenhong3@huawei.com>
[dtor: take lock in i8042_start()/i8042_stop()]
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Input: i8042 - add Fujitsu Lifebook AH544 to notimeout list 2017-06-29T10:48:51+00:00 Daniel Drake drake@endlessm.com 2017-06-20T02:48:52+00:00 255ad85b5ecc9e76af7c7f3ab2a57c43f0f3e12c commit 817ae460c784f32cd45e60b2b1b21378c3c6a847 upstream. Without this quirk, the touchpad is not responsive on this product, with the following message repeated in the logs: psmouse serio1: bad data from KBC - timeout Add it to the notimeout list alongside other similar Fujitsu laptops. Signed-off-by: Daniel Drake <drake@endlessm.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 817ae460c784f32cd45e60b2b1b21378c3c6a847 upstream.

Without this quirk, the touchpad is not responsive on this product, with
the following message repeated in the logs:

 psmouse serio1: bad data from KBC - timeout

Add it to the notimeout list alongside other similar Fujitsu laptops.

Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Input: elantech - add Fujitsu Lifebook E546/E557 to force crc_enabled 2017-06-14T11:16:23+00:00 Ulrik De Bie ulrik.debie-os@e2big.org 2017-06-07T17:30:57+00:00 fff08d2452634a495ccfdb56782041ae6c4513ee commit 47eb0c8b4d9eb6368941c6a9bb443f00847a46d7 upstream. The Lifebook E546 and E557 touchpad were also not functioning and worked after running: echo "1" > /sys/devices/platform/i8042/serio2/crc_enabled Add them to the list of machines that need this workaround. Signed-off-by: Ulrik De Bie <ulrik.debie-os@e2big.org> Reviewed-by: Arjan Opmeer <arjan@opmeer.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 47eb0c8b4d9eb6368941c6a9bb443f00847a46d7 upstream.

The Lifebook E546 and E557 touchpad were also not functioning and
worked after running:

        echo "1" > /sys/devices/platform/i8042/serio2/crc_enabled

Add them to the list of machines that need this workaround.

Signed-off-by: Ulrik De Bie <ulrik.debie-os@e2big.org>
Reviewed-by: Arjan Opmeer <arjan@opmeer.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Input: i8042 - add Clevo P650RS to the i8042 reset list 2017-05-03T04:19:55+00:00 Dmitry Torokhov dmitry.torokhov@gmail.com 2017-04-13T22:36:31+00:00 2032eebe2384dfd5a5c572acfdaeed4371b30958 commit 7c5bb4ac2b76d2a09256aec8a7d584bf3e2b0466 upstream. Clevo P650RS and other similar devices require i8042 to be reset in order to detect Synaptics touchpad. Reported-by: Paweł Bylica <chfast@gmail.com> Tested-by: Ed Bordin <edbordin@gmail.com> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=190301 Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 7c5bb4ac2b76d2a09256aec8a7d584bf3e2b0466 upstream.

Clevo P650RS and other similar devices require i8042 to be reset in order
to detect Synaptics touchpad.

Reported-by: Paweł Bylica <chfast@gmail.com>
Tested-by: Ed Bordin <edbordin@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=190301
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>