linux-kernel - Re: [PATCH v7 4/5] iio: trigger: Introduce IIO hrtimer based trigger

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Message-ID: <CAEnQRZB=GW4pKfALAiU6q-K5Ehzp=gT_tp-5pDwEyP3YV4qt+Q@mail.gmail.com>
Date:	Mon, 17 Aug 2015 15:49:45 +0300
From:	Daniel Baluta <daniel.baluta@...el.com>
To:	Vladimir Barinov <vladimir.barinov@...entembedded.com>
Cc:	Daniel Baluta <daniel.baluta@...el.com>,
	Jonathan Cameron <jic23@...nel.org>,
	Joel Becker <jlbec@...lplan.org>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org,
	Lars-Peter Clausen <lars@...afoo.de>,
	Hartmut Knaack <knaack.h@....de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"octavian.purdila@...el.com" <octavian.purdila@...el.com>,
	Paul Bolle <pebolle@...cali.nl>, patrick.porlan@...el.com,
	Adriana Reus <adriana.reus@...el.com>,
	constantin.musca@...el.com, marten@...uitiveaerial.com,
	Cristina Georgiana Opriceana <cristina.opriceana@...il.com>,
	Peter Meerwald <pmeerw@...erw.net>, hch@....de,
	viro@...iv.linux.org.uk, Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v7 4/5] iio: trigger: Introduce IIO hrtimer based trigger

On Mon, Aug 17, 2015 at 3:45 PM, Vladimir Barinov
<vladimir.barinov@...entembedded.com> wrote:
> Hello Daniel,
>
> I've verified that your hrtimer trigger works.
>
> I have minor suggestions.
>
> Will not it be useful to have ability to stop/start hrtimer polling
> not only during attach/detach trigger.
>
> f.e. writing 0 to sampling_frequency will hrtimer_cancel
> and writing any valid frequency will hrtimer_start.

Thanks a lot Vladimir for looking at this. I will try to address your comments
this week.

Daniel.
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