linux-kernel - Re: iio: adc: add exynos5 adc driver under iio framwork

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 13 Feb 2013 15:05:09 +0100
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Naveen Krishna Ch <naveenkrishna.ch@...il.com>
CC:	Guenter Roeck <linux@...ck-us.net>,
	Naveen Krishna Chatradhi <ch.naveen@...sung.com>,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>, dianders@...omium.org,
	gregkh@...uxfoundation.org
Subject: Re: iio: adc: add exynos5 adc driver under iio framwork

On 02/13/2013 02:53 PM, Naveen Krishna Ch wrote:
[...]
>>> ADC driver will use of_platform_populate() to populate the child nodes
>>> (ntc thermistors in my case)
>>>
>>> I've modified the NTC driver to support DT. in probe
>>> chan = iio_channel_get(&pdev->dev, "adcX");
>>> and using "id" field to use respective ADC channel to do the raw_read()
>>
>> The beauty of the interface is that the consumer doesn't need to know the
>> number of the channel it is using. This is already fully described in the
>> io-channels property. Since you only have one channel per consumer just use
>>
>>         iio_chanel_get(&pdev->dev, NULL)
> Right this helped me get the channels properly.
> 
> I've a doubt in the driver posted at https://lkml.org/lkml/2013/1/24/2
> i don't need to use this anymore right use iio_map_array_register() Right.
> 
> Thats so simple then.. Thanks

Yes, if you are using devicetree you don't need to use
iio_map_array_register() anymore :)

- Lars

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/