On 05/27/11 14:51, michael.hennerich@xxxxxxxxxx wrote:
> From: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
>
>
As discussed, handling the writing case is more tricky, but as our
only user is read only we can tackle that in the future.
> Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxx>
> ---
> drivers/staging/iio/iio.h | 1 +
> drivers/staging/iio/industrialio-core.c | 5 +++++
> 2 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h
> index 38f1425..78a0927 100644
> --- a/drivers/staging/iio/iio.h
> +++ b/drivers/staging/iio/iio.h
> @@ -202,6 +202,7 @@ static inline s64 iio_get_time_ns(void)
> * call to iio_device_register. */
> #define IIO_VAL_INT 1
> #define IIO_VAL_INT_PLUS_MICRO 2
> +#define IIO_VAL_INT_PLUS_NANO 3
>
> /**
> * struct iio_info - constant information about device
> diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
> index 94d3bfa..e5a7663 100644
> --- a/drivers/staging/iio/industrialio-core.c
> +++ b/drivers/staging/iio/industrialio-core.c
> @@ -396,6 +396,11 @@ static ssize_t iio_read_channel_info(struct device *dev,
> return sprintf(buf, "-%d.%06u\n", val, -val2);
> else
> return sprintf(buf, "%d.%06u\n", val, val2);
> + } else if (ret == IIO_VAL_INT_PLUS_NANO) {
> + if (val2 < 0)
> + return sprintf(buf, "-%d.%09u\n", val, -val2);
> + else
> + return sprintf(buf, "%d.%09u\n", val, val2);
> } else
> return 0;
> }
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