linux-kernel - Re: [PATCH v5 1/2] staging: iio: Documentation sysfs-bus-iio add power

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Date:	Wed, 28 Aug 2013 16:10:55 +0100
From:	Jonathan Cameron <jic23@...nel.org>
To:	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
CC:	Oleksandr Kravchenko <o.v.kravchenko@...ballogic.com>,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
	rob.herring@...xeda.com, pawel.moll@....com, mark.rutland@....com,
	swarren@...dotorg.org, ian.campbell@...rix.com, rob@...dley.net,
	jic23@....ac.uk, denis.ciocca@...com, lars@...afoo.de
Subject: Re: [PATCH v5 1/2] staging: iio: Documentation sysfs-bus-iio add
 power_mode

On 28/08/13 16:08, Srinivas Pandruvada wrote:
> On 08/28/2013 04:01 AM, Oleksandr Kravchenko wrote:
>> Add description about in_accelX_power_mode and
>> in_accel_power_mode_available.
>>
>> Signed-off-by: Oleksandr Kravchenko <o.v.kravchenko@...ballogic.com>
>> ---
>>   Documentation/ABI/testing/sysfs-bus-iio |   10 ++++++++++
>>   1 file changed, 10 insertions(+)
>>
>> diff --git a/Documentation/ABI/testing/sysfs-bus-iio
>> b/Documentation/ABI/testing/sysfs-bus-iio
>> index dda81ff..1a333f3 100644
>> --- a/Documentation/ABI/testing/sysfs-bus-iio
>> +++ b/Documentation/ABI/testing/sysfs-bus-iio
>> @@ -792,3 +792,13 @@ Contact:    linux-iio@...r.kernel.org
>>   Description:
>>           This attribute is used to read the amount of quadrature error
>>           present in the device at a given time.
>> +
>> +What:        /sys/.../iio:deviceX/in_accelX_power_mode
> Shall we add power_mode to all sensors not just accelerometer? HID
> sensor hub spec allows every sensor in it to go low power mode.
> This is not same as OFF.
Feel free to add the relevant lines in the patch that adds the 
attribute.  We should not add stuff here that is not used.

>> +KernelVersion:    3.11
>> +Contact:    linux-iio@...r.kernel.org
>> +Description:
>> +        Specifies the chip power mode.
>> +        low_noise: reduce noise level from ADC,
>> +        low_power: enable low current consumption.
>> +        For a list of available output power modes read
>> +        in_accel_power_mode_available.
>
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