From: bigeasy@linutronix.de (Sebastian Andrzej Siewior)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/4] Touchscreen performance related fixes
Date: Tue, 04 Nov 2014 13:37:19 +0100 [thread overview]
Message-ID: <5458C87F.80409@linutronix.de> (raw)
In-Reply-To: <5458BC0B.1040803@ti.com>
On 11/04/2014 12:44 PM, Vignesh R wrote:
> I ran following commands
> $ evtest /dev/input/touchscreen0 &
> (with heavy item on touchscreen)
> and
> $ cat /sys/bus/iio/devices/iio\:device0/scan_elements/in_voltage4_en
> (in a busy loop)
> I tried above experiment on my board but I didn't hit any problem even
> after running for close to 30 minutes. I was unable to reproduce failure
Just to make sure: You had the touchscreen and iio command running in
parallel and you saw evtest output while there was iio operation?
> The problem may be in configuring correct charge-delay value. Please run:
> $ ts_test > /dev/null
> and let me know if pen events are being detected properly.
Well I get the touch events but not while busy loop on iio interface is
running (I get maybe one event every 5 seconds or so).
After all, it is the same HW you have.
Sebastian
next prev parent reply other threads:[~2014-11-04 12:37 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-27 11:08 [PATCH 0/4] Touchscreen performance related fixes Vignesh R
2014-10-27 11:08 ` [PATCH 1/4] input: touchscreen: ti_am335x_tsc Interchange touchscreen and ADC steps Vignesh R
2014-10-31 21:03 ` Hartmut Knaack
2014-11-07 5:48 ` Vignesh R
2014-11-06 14:19 ` Richard Cochran
2014-11-07 5:34 ` Vignesh R
2014-11-07 8:00 ` Richard Cochran
2014-11-10 10:46 ` Vignesh R
2014-11-07 10:17 ` Richard Cochran
2014-10-27 11:08 ` [PATCH 2/4] input: touchscreen: ti_am335x_tsc: Remove udelay in interrupt handler Vignesh R
2014-11-03 15:05 ` Lee Jones
2014-11-07 5:48 ` Vignesh R
2014-10-27 11:08 ` [PATCH 3/4] arm: boot: dts: am335x-evm: Make charge delay a DT parameter for tsc Vignesh R
2014-10-31 21:09 ` Hartmut Knaack
2014-11-07 5:48 ` Vignesh R
2014-10-27 11:08 ` [PATCH 4/4] input: touchscreen: ti_am335x_tsc: Use charge delay DT parameter Vignesh R
2014-10-27 17:34 ` [PATCH 0/4] Touchscreen performance related fixes Sebastian Andrzej Siewior
2014-10-27 19:02 ` Griffis, Brad
2014-11-03 12:17 ` Sebastian Andrzej Siewior
2014-11-04 11:44 ` Vignesh R
2014-11-04 12:37 ` Sebastian Andrzej Siewior [this message]
2014-11-05 12:08 ` Vignesh R
2014-11-17 12:18 ` Vignesh R
2014-11-03 18:09 ` Richard Cochran
2014-11-06 7:42 ` Vignesh R
2014-11-12 13:00 ` Johannes Pointner
2014-11-13 12:23 ` Vignesh R
2014-11-17 11:39 ` Vignesh R
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