Re: PROBLEM: lenovo yoga 11e touchscreen (baytrail SoC) does not work on 4.0.0 rc2

From: Matthew Hiles
Date: Tue Mar 10 2015 - 12:52:52 EST

On 03/10/2015 10:23 AM, Mika Westerberg wrote:
On Wed, Mar 04, 2015 at 05:35:22PM -0500, Matthew Hiles wrote:
[ 3.763182] i2c_hid i2c-ITE8386:00: Could not register for ITE8386:00 interrupt, irq = -1, ret = -22
[ 3.773742] i2c_hid: probe of i2c-ITE8386:00 failed with error -22
[ 3.788298] i2c_hid i2c-ATML1000:00: Could not register for ATML1000:00 interrupt, irq = -1, ret = -22
[ 3.806867] i2c_hid: probe of i2c-ATML1000:00 failed with error -22
This says to me that the device uses GPIOs as interrupts as opposed to

Can you try the following commit?

Progress! Applied that patch to 4.0 rc3 and recompiled:

uname -a
Linux pontifex 4.0.0-1-ARCH #2 SMP PREEMPT Tue Mar 10 11:54:37 EDT 2015 x86_64 GNU/Linux

dmesg|grep hid
[ 3.850715] hidraw: raw HID events driver (C) Jiri Kosina
[ 8.873837] i2c_hid i2c-ITE8386:00: failed to reset device.
[ 14.895347] i2c_hid i2c-ITE8386:00: failed to reset device.
[ 20.916806] i2c_hid i2c-ITE8386:00: failed to reset device.
[ 26.938430] i2c_hid i2c-ITE8386:00: failed to reset device.
[ 27.956009] i2c_hid i2c-ITE8386:00: can't add hid device: -61
[ 27.976242] i2c_hid: probe of i2c-ITE8386:00 failed with error -61
[ 28.028155] hid-multitouch 0018:03EB:8C1F.0001: input,hidraw0: <UNKNOWN> HID v1.00 Device [ATML1000:00 03EB:8C1F] on

â Virtual core pointer id=2 [master pointer (3)]
â â Virtual core XTEST pointer id=4 [slave pointer (2)]
â â SynPS/2 Synaptics TouchPad id=13 [slave pointer (2)]
â â ATML1000:00 03EB:8C1F id=14 [slave pointer (2)]
â Virtual core keyboard id=3 [master keyboard (2)]
â Virtual core XTEST keyboard id=5 [slave keyboard (3)]
â Power Button id=6 [slave keyboard (3)]
â Video Bus id=7 [slave keyboard (3)]
â Power Button id=8 [slave keyboard (3)]
â Sleep Button id=9 [slave keyboard (3)]
â Integrated Camera id=10 [slave keyboard (3)]
â AT Translated Set 2 keyboard id=11 [slave keyboard (3)]
â ThinkPad Extra Buttons id=12 [slave keyboard (3)]

However, touching the screen does not cause the pointer to move and more empirically:

(From /proc/bus/input/devices)

I: Bus=0018 Vendor=03eb Product=8c1f Version=0100
N: Name="ATML1000:00 03EB:8C1F"
P: Phys=
S: Sysfs=/devices/platform/80860F41:01/i2c-9/i2c-ATML1000:00/0018:03EB:8C1F.0001/input/input15
U: Uniq=
H: Handlers=event14 mouse1
B: EV=b
B: KEY=400 0 0 0 0 0
B: ABS=260800000000003

cat /dev/input/event14
cat /dev/input/mouse1

and poking the screen gets me no output.

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