Re: [PATCH V4 1/2] staging: iio: add channel info for sampling frequency

[Jonathan Cameron <jic23@cam.ac.uk>]

On 4/12/2012 3:01 PM, Laxman Dewangan wrote:
> Adding channel info IIO_CHAN_INFO_SAMP_FREQ to select
> different sampling frequency per channel wise.
>
> Signed-off-by: Laxman Dewangan<ldewangan@nvidia.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
> ---
> changes from V3:
>   - Change the info name to "sampling_frequency"
>
>   drivers/staging/iio/iio.h               |    5 +++++
>   drivers/staging/iio/industrialio-core.c |    1 +
>   2 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h
> index b9cd454..9aa0dd5 100644
> --- a/drivers/staging/iio/iio.h
> +++ b/drivers/staging/iio/iio.h
> @@ -36,6 +36,7 @@ enum iio_chan_info_enum {
>   	IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW,
>   	IIO_CHAN_INFO_AVERAGE_RAW,
>   	IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY,
> +	IIO_CHAN_INFO_SAMP_FREQ,
>   };
>
>   #define IIO_CHAN_INFO_SHARED_BIT(type) BIT(type*2)
> @@ -81,6 +82,10 @@ enum iio_chan_info_enum {
>   #define IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SEPARATE_BIT \
>   	IIO_CHAN_INFO_SEPARATE_BIT(			       \
>   		IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY)
> +#define IIO_CHAN_INFO_SAMP_FREQ_SEPARATE_BIT		\
> +	IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_SAMP_FREQ)
> +#define IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT			\
> +	IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_SAMP_FREQ)
>
>   enum iio_endian {
>   	IIO_CPU,
> diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
> index d303bfb..9e42713 100644
> --- a/drivers/staging/iio/industrialio-core.c
> +++ b/drivers/staging/iio/industrialio-core.c
> @@ -90,6 +90,7 @@ static const char * const iio_chan_info_postfix[] = {
>   	[IIO_CHAN_INFO_AVERAGE_RAW] = "mean_raw",
>   	[IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY]
>   	= "filter_low_pass_3db_frequency",
> +	[IIO_CHAN_INFO_SAMP_FREQ] = "sampling_frequency",
>   };
>
>   const struct iio_chan_spec