From: Jonathan Cameron <jic23@kernel.org>
To: Lars-Peter Clausen <lars@metafoo.de>
Cc: Denis CIOCCA <denis.ciocca@st.com>,
Denis Ciocca <denis.ciocca@gmail.com>,
"linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>
Subject: Re: Use buffer without trigger
Date: Sat, 18 May 2013 11:20:06 +0100 [thread overview]
Message-ID: <519755D6.10000@kernel.org> (raw)
In-Reply-To: <5196280C.8070909@metafoo.de>
On 05/17/2013 01:52 PM, Lars-Peter Clausen wrote:
> On 05/17/2013 02:34 PM, Denis CIOCCA wrote:
>>> Yes, but you still have to assign the trigger to the device in sysfs.
>>
>> Ok but I have to use a dummy trigger for every device?
>>
>> Denis
>
> No. Allocate your buffers and allocate your one trigger. Before you can
> enable your buffer you need to assign the trigger to the buffer in sysfs (By
> writing to trigger/current_trigger).
>
Lots of the ADC drivers do this. See max1363 for example. No sign a trigger
but it definitely has a buffer. Often these parts convert on demand but can
do it at very high rates.
next prev parent reply other threads:[~2013-05-18 10:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAEE_umrLpNJo1kMbLtktK0RH6WCKCEYR+yiTiyPJu_8G3coE7A@mail.gmail.com>
2013-05-14 16:18 ` Use buffer without trigger Denis Ciocca
2013-05-14 17:57 ` Lars-Peter Clausen
2013-05-17 11:28 ` Denis CIOCCA
2013-05-17 11:30 ` Lars-Peter Clausen
2013-05-17 12:34 ` Denis CIOCCA
2013-05-17 12:52 ` Lars-Peter Clausen
2013-05-18 10:20 ` Jonathan Cameron [this message]
2013-05-20 7:54 ` Denis CIOCCA
2013-05-20 12:45 ` Denis CIOCCA
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