Hi Arnd,
yup, my fault. Thanks.
Acked-by: Denis Ciocca <denis.ciocca@xxxxxx>
On |29 Mar 16 @ 22:27|, Arnd Bergmann wrote:
> When CONFIG_IIO_TRIGGER is enabled but CONFIG_IIO_BUFFER is
> not, we get a build error in the st_magn driver:
>
> drivers/iio/magnetometer/st_magn_core.c:573:23: error: 'ST_MAGN_TRIGGER_SET_STATE' undeclared here (not in a function)
> .set_trigger_state = ST_MAGN_TRIGGER_SET_STATE,
> ^~~~~~~~~~~~~~~~~~~~~~~~~
>
> Apparently, this ST_MAGN_TRIGGER_SET_STATE macro was meant to
> be set to NULL when the definition is not available because
> st_magn_buffer.c is not compiled, but the alternative definition
> was not included in the original patch. This adds it.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 74f5683f35fe ("iio: st_magn: Add irq trigger handling")
> ---
> drivers/iio/magnetometer/st_magn.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iio/magnetometer/st_magn.h b/drivers/iio/magnetometer/st_magn.h
> index 06a4d9c35581..9daca4681922 100644
> --- a/drivers/iio/magnetometer/st_magn.h
> +++ b/drivers/iio/magnetometer/st_magn.h
> @@ -44,6 +44,7 @@ static inline int st_magn_allocate_ring(struct iio_dev *indio_dev)
> static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
> {
> }
> +#define ST_MAGN_TRIGGER_SET_STATE NULL
> #endif /* CONFIG_IIO_BUFFER */
>
> #endif /* ST_MAGN_H */
> --
> 2.7.0
>
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