diff options
| -rw-r--r-- | drivers/staging/iio/events.h | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/drivers/staging/iio/events.h b/drivers/staging/iio/events.h index 389c781..9275954 100644 --- a/drivers/staging/iio/events.h +++ b/drivers/staging/iio/events.h @@ -40,6 +40,18 @@ enum iio_event_direction { IIO_EV_DIR_FALLING, }; +/** + * IIO_EVENT_CODE() - create event identifier + * @chan_type: Type of the channel. Should be one of enum iio_chan_type. + * @diff: Whether the event is for an differential channel or not. + * @modifier: Modifier for the channel. Should be one of enum iio_modifier. + * @direction: Direction of the event. One of enum iio_event_direction. + * @type: Type of the event. Should be one enum iio_event_type. + * @chan: Channel number for non-differential channels. + * @chan1: First channel number for differential channels. + * @chan2: Second channel number for differential channels. + */ + #define IIO_EVENT_CODE(chan_type, diff, modifier, direction, \ type, chan, chan1, chan2) \ (((u64)type << 56) | ((u64)diff << 55) | \ @@ -51,12 +63,29 @@ enum iio_event_direction { #define IIO_EV_BIT(type, direction) \ (1 << (type*IIO_EV_DIR_MAX + direction)) -#define IIO_MOD_EVENT_CODE(channelclass, number, modifier, \ +/** + * IIO_MOD_EVENT_CODE() - create event identifier for modified channels + * @chan_type: Type of the channel. Should be one of enum iio_chan_type. + * @number: Channel number. + * @modifier: Modifier for the channel. Should be one of enum iio_modifier. + * @type: Type of the event. Should be one enum iio_event_type. + * @direction: Direction of the event. One of enum iio_event_direction. + */ + +#define IIO_MOD_EVENT_CODE(chan_type, number, modifier, \ type, direction) \ - IIO_EVENT_CODE(channelclass, 0, modifier, direction, type, number, 0, 0) + IIO_EVENT_CODE(chan_type, 0, modifier, direction, type, number, 0, 0) + +/** + * IIO_UNMOD_EVENT_CODE() - create event identifier for unmodified channels + * @chan_type: Type of the channel. Should be one of enum iio_chan_type. + * @number: Channel number. + * @type: Type of the event. Should be one enum iio_event_type. + * @direction: Direction of the event. One of enum iio_event_direction. + */ -#define IIO_UNMOD_EVENT_CODE(channelclass, number, type, direction) \ - IIO_EVENT_CODE(channelclass, 0, 0, direction, type, number, 0, 0) +#define IIO_UNMOD_EVENT_CODE(chan_type, number, type, direction) \ + IIO_EVENT_CODE(chan_type, 0, 0, direction, type, number, 0, 0) #define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF) |