linux-kernel - Re: [PATCH 2/2] iio: ti_am335x_adc: Take touchscreen channels into account for conversion timeout

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Date:	Sun, 15 Sep 2013 19:50:00 +0200
From:	Matthias Kaehlcke <matthias.list@...hlcke.net>
To:	Jonathan Cameron <jic23@...nel.org>
Cc:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Felipe Balbi <balbi@...com>,
	Pantelis Antoniou <panto@...oniou-consulting.com>,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] iio: ti_am335x_adc: Take touchscreen channels into
 account for conversion timeout

Hi Jonathan,

thanks for your comments

El Sun, Sep 15, 2013 at 05:17:30PM +0100 Jonathan Cameron ha dit:

> On 09/10/13 22:02, Matthias Kaehlcke wrote:
> > The calculation of the old conversion timeout value was based on the number of
> > channels used by this driver. This doesn't take into account that other channels
> > can be used by the touchscreen driver. Adjust the timeout value to the maximum
> > if the touchscreen driver is enabled
> > 
> > Signed-off-by: Matthias Kaehlcke <matthias@...hlcke.net>
> Hmm... This is a bit of an uggly solution.  Can we do anything neater via some
> callbacks in the underlying mfd?

i agree, it isn't a very elegant solution. as it's a max timeout which
should never be hit i thought it might be good enough. using a
callback in the mfd is feasible, the mfd has information about the
number of steps used by the touchscreen driver. i'll send a reworked
version soon

thanks

-- 
Matthias Kaehlcke
Embedded Linux Developer
Amsterdam

             "The only important thing Windows does better
            than Debian is implementing the win32 platform"
                                                                 .''`.
    using free software / Debian GNU/Linux | http://debian.org  : :'  :
                                                                `. `'`
gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4                  `-
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