Touchscreen failure with CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND

[Adam Ford]

On Wed, Apr 26, 2017 at 8:50 PM, Fabio Estevam <festevam at gmail.com> wrote:
> On Wed, Apr 26, 2017 at 9:57 PM, Adam Ford <aford173 at gmail.com> wrote:
>
>> Using my board set to ondemand (and I verified frequency)
>> # cat /sys/devices/system/cpu/cpufreq/policy0/scaling_cur_freq
>> 396000
>>
>> I ran it for 3 hours and it and continued to show results.
>
> Thanks for testing.
>
> Does evtest still work if you keep constantly touching the screen
> after one or two minutes?

I held it for nearly six minutes while checking out facebook (I am not
sure why I did that part).  After 6 minutes it was still operational.

I should note that I am running 4.9.23

# evtest /dev/input/event0
Input driver version is 1.0.1
Input device ID: bus 0x18 vendor 0x0 product 0x7d4 version 0x0

Input device name: "TSC200X touchscreen"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 330 (BTN_TOUCH)
  Event type 3 (EV_ABS)
    Event code 0 (ABS_X)
      Value   2331
      Min        0
      Max     4095
      Fuzz       4
    Event code 1 (ABS_Y)
      Value   1540
      Min        0
      Max     4095
      Fuzz       7
    Event code 24 (ABS_PRESSURE)
      Value      0
      Min        0
      Max     2048
      Fuzz       2