From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Onkalo Samu <samu.p.onkalo@nokia.com>
Cc: linux-input@vger.kernel.org
Subject: Re: Poll rate change and closing indication to polled input device
Date: Fri, 9 Oct 2009 13:12:02 +0100 [thread overview]
Message-ID: <20091009121201.GE5082@sirena.org.uk> (raw)
In-Reply-To: <1255089779.28243.24.camel@4fid08082>
On Fri, Oct 09, 2009 at 03:02:59PM +0300, Onkalo Samu wrote:
> I would like to change the polling rate of the polled input device
> on the fly depending on the use case. One possible way is to directly
> modify poll_interval from my driver. However, I would like to introduce
> functions which can be used to set / get polling rate like
> input_polled_device_set_rate(...)
> input_polled_device_get_rate(...)
> Another missing thing is an indication when the polled device is closed.
> This can be used to turn off the HW which is not used anymore.
> What do you think, is it ok to introduce these additions to the polled
> input device?
It'd be really good to have this control exposed to user space in a
standard fashion. Other devices that generate constant data rates like
touchscreens could also benefit from it, changing their output rate
depending on the needs of user space to give a power saving.
next prev parent reply other threads:[~2009-10-09 12:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-09 12:02 Poll rate change and closing indication to polled input device Onkalo Samu
2009-10-09 12:12 ` Mark Brown [this message]
2009-10-09 16:27 ` Dmitry Torokhov
2009-10-09 18:10 ` Mark Brown
2009-10-13 1:08 ` Dmitry Torokhov
2009-10-13 9:19 ` Mark Brown
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