On 04/14/2013 01:23 PM, Jonathan Cameron wrote:
> For now not added to the write_raw handling as no usecase yet exists
> and it would involve a more substantial reworking of the string
> processing code to handle it cleanly.
>
> Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
> ---
> drivers/iio/industrialio-core.c | 5 +++++
> include/linux/iio/types.h | 1 +
> 2 files changed, 6 insertions(+)
>
> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> index e145931..40ef037 100644
> --- a/drivers/iio/industrialio-core.c
> +++ b/drivers/iio/industrialio-core.c
> @@ -393,6 +393,11 @@ static ssize_t iio_read_channel_info(struct device *dev,
> return sprintf(buf, "-%d.%09u\n", val, -val2);
> else
> return sprintf(buf, "%d.%09u\n", val, val2);
> + case IIO_VAL_INT_PLUS_PICO:
> + if (val2 < 0)
> + return sprintf(buf, "-%d.%012u\n", val, -val2);
> + else
> + return sprintf(buf, "-%d.%012u\n", val, val2);
This one shouldn't have the minus sign.
> case IIO_VAL_FRACTIONAL:
> tmp = div_s64((s64)val * 1000000000LL, val2);
> val2 = do_div(tmp, 1000000000LL);
> diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
> index 88bf0f0..27e78a6 100644
> --- a/include/linux/iio/types.h
> +++ b/include/linux/iio/types.h
> @@ -58,6 +58,7 @@ enum iio_modifier {
> #define IIO_VAL_INT_PLUS_MICRO 2
> #define IIO_VAL_INT_PLUS_NANO 3
> #define IIO_VAL_INT_PLUS_MICRO_DB 4
> +#define IIO_VAL_INT_PLUS_PICO 5
> #define IIO_VAL_FRACTIONAL 10
> #define IIO_VAL_FRACTIONAL_LOG2 11
>
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