Re: [PATCH 1/3] iio: add iio_read_channel_offset() consumer api

From: Lars-Peter Clausen
Date: Thu Aug 16 2012 - 04:19:14 EST


On 08/16/2012 09:39 AM, Kim, Milo wrote:
> This allows the iio consumer to get the offset of the channel.
> The value of offset can be used when calculating the result such
> as 'result = raw * scale + offset'.

result = (raw + offset) * scale

Otherwise it looks good, except for:

> +/**
> + * iio_read_channel_offset() - read offset from a given channel
> + * @channel: The channel being queried.
> + * @val: Offset Value read back.
> + *
> + * Note offset can be used in the consumer when calculating the result
> + * such as 'result = raw * scale + offset'.
> + */

The documentation should go in the c file.

> +int iio_read_channel_offset(struct iio_channel *chan, int *val);
> #endif

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