From: "Heiko Stübner" <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
To: Hartmut Knaack <knaack.h-Mmb7MZpHnFY@public.gmane.org>
Cc: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
kgene.kim-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
pawel.moll-5wv7dgnIgG8@public.gmane.org,
t.figa-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Chanwoo Choi <cw00.choi-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Jonathan Cameron <jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Ben Dooks <ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>,
galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
ch.naveen-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
linux-input <linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Dmitry Torokhov
<dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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-Mmb7MZpHnFY@public.gmane.org>
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 21:50 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
[not found] ` <20140722180904.GB5489-WlK9ik9hQGAhIp7JRqBPierSzoNAToWh@public.gmane.org>
2014-07-22 18:33 ` Arnd Bergmann
2014-07-27 21:10 ` Hartmut Knaack
[not found] ` <53D56ABD.8080808-Mmb7MZpHnFY@public.gmane.org>
2014-07-27 21:50 ` Heiko Stübner [this message]
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