From: "Heiko Stübner" <heiko@sntech.de>
To: Hartmut Knaack <knaack.h@gmx.de>
Cc: Arnd Bergmann <arnd@arndb.de>,
linux-arm-kernel@lists.infradead.org, linux-iio@vger.kernel.org,
kgene.kim@samsung.com, pawel.moll@arm.com, t.figa@samsung.com,
linux-kernel@vger.kernel.org,
Chanwoo Choi <cw00.choi@samsung.com>,
kyungmin.park@samsung.com, linux-samsung-soc@vger.kernel.org,
Jonathan Cameron <jic23@kernel.org>,
Ben Dooks <ben-linux@fluff.org>,
galak@codeaurora.org, ch.naveen@samsung.com,
linux-input <linux-input@vger.kernel.org>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>
Subject: Re: [PATCH v2] iio: exynos-adc: add experimental touchscreen support
Date: Sun, 27 Jul 2014 23:50:51 +0200 [thread overview]
Message-ID: <1743122.0WWLup698P@diego> (raw)
In-Reply-To: <53D56ABD.8080808@gmx.de>
Am Sonntag, 27. Juli 2014, 23:10:21 schrieb Hartmut Knaack:
> Arnd Bergmann schrieb:
> > @@ -205,6 +217,9 @@ static void exynos_adc_v1_init_hw(struct exynos_adc
> > *info)>
> > /* Enable 12-bit ADC resolution */
> > con1 |= ADC_V1_CON_RES;
> > writel(con1, ADC_V1_CON(info->regs));
> >
> > +
> > + /* set default touchscreen delay */
>
> Any information about how many µs/ms it is actually set with this value?
"ADC conversion is delayed by counting this value. Counting clock is pclk."
So, I guess here 10000 pclk ticks.
Heiko
>
> > + writel(10000, ADC_V1_DLY(info->regs));
> >
> > }
> >
prev parent reply other threads:[~2014-07-27 21:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-22 13:03 [PATCH v2] iio: exynos-adc: add experimental touchscreen support Arnd Bergmann
2014-07-22 14:29 ` Varka Bhadram
2014-07-22 18:09 ` Dmitry Torokhov
2014-07-22 18:33 ` Arnd Bergmann
2014-07-27 21:10 ` Hartmut Knaack
2014-07-27 21:50 ` Heiko Stübner [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1743122.0WWLup698P@diego \
--to=heiko@sntech.de \
--cc=arnd@arndb.de \
--cc=ben-linux@fluff.org \
--cc=ch.naveen@samsung.com \
--cc=cw00.choi@samsung.com \
--cc=dmitry.torokhov@gmail.com \
--cc=galak@codeaurora.org \
--cc=jic23@kernel.org \
--cc=kgene.kim@samsung.com \
--cc=knaack.h@gmx.de \
--cc=kyungmin.park@samsung.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-iio@vger.kernel.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-samsung-soc@vger.kernel.org \
--cc=pawel.moll@arm.com \
--cc=t.figa@samsung.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).