From: Lars-Peter Clausen <lars@metafoo.de>
To: crzy <chskr1016@gmail.com>
Cc: linux-iio@vger.kernel.org
Subject: Re: change device attributes dynamically
Date: Wed, 09 Oct 2013 08:39:16 +0200 [thread overview]
Message-ID: <5254FA14.7090603@metafoo.de> (raw)
In-Reply-To: <loom.20131009T055541-305@post.gmane.org>
On 10/09/2013 05:56 AM, crzy wrote:
> crzy <chskr1016@...> writes:
>
>>
>> I want to change device attributes at /sys/iio..... for AD-FMCOMMS1-
> EBZ.When
>> will the driver detects the value is changed?will the driver dynamically
>> detects them ?
>> i want to change values dynamically like
>> echo 500000000 > out_altvoltage1_DAC_CLK_frequency
>>
>>
>
>
> when will the device reads register value? i mean when will device changes
> its clk frequency?
> Plz tell me how this process takes place
Hi,
The device's registers are updates as soon as you write to the sysfs file.
- Lars
prev parent reply other threads:[~2013-10-09 6:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-08 7:46 change device attributes dynamically crzy
2013-10-08 13:53 ` Lars-Peter Clausen
2013-10-09 3:56 ` crzy
2013-10-09 6:39 ` Lars-Peter Clausen [this message]
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