linux-kernel - Re: [PATCH] iio: inkern: Add of_xlate function to struct iio

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Message-ID: <1412346717.2987.5.camel@spandruv-hsb-test>
Date:	Fri, 03 Oct 2014 07:31:57 -0700
From:	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:	"Ivan T. Ivanov" <iivanov@...sol.com>
Cc:	Lars-Peter Clausen <lars@...afoo.de>,
	Jonathan Cameron <jic23@...nel.org>,
	Sachin Kamat <sachin.kamat@...aro.org>,
	John Stultz <john.stultz@...aro.org>,
	linux-iio@...r.kernel.org, svarbanov@...sol.com,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH] iio: inkern: Add of_xlate function to struct iio_dev

On Thu, 2014-10-02 at 16:49 +0300, Ivan T. Ivanov wrote:
> On Thu, 2014-10-02 at 15:30 +0200, Lars-Peter Clausen wrote:
> > On 10/02/2014 02:32 PM, Ivan T. Ivanov wrote:
> > > When #iio-cells is greater than '0', the driver could provide
> > > a custom of_xlate function that reads the *args* and returns
> > > the appropriate index in registered IIO channels array.
> > 
> > Do you have an example of a device that doesn't want to use the default 
> > mapping? If yes please include it in the commit message, otherwise it is 
> > fairly hard to say whether this makes sense or not.
> 
> Still not mainlined. You can find more detailed description of the 
> issue here[1] and driver here[2].
I see your need. I wonder this mapping be done in individual client
driver instead of creating another callback.

Thanks,
Srinivas

> 
> Regards,
> Ivan
> 
> [1] https://lkml.org/lkml/2014/10/2/123
> [2] http://www.spinics.net/lists/devicetree/msg50717.html
> 
> 


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