#include "iio.h"
/**
- * struct iio_event_attribute - event control attribute
+ * struct iio_event_attr - event control attribute
* @dev_attr: underlying device attribute
* @mask: mask for the event when detecting
* @listel: list header to allow addition to list of event handlers
* struct iio_dev_attr - iio specific device attribute
* @dev_attr: underlying device attribute
* @address: associated register address
+ * @val2: secondary attribute value
*/
struct iio_dev_attr {
struct device_attribute dev_attr;
/**
* struct iio_const_attr - constant device specific attribute
* often used for things like available modes
+ * @string: attribute string
+ * @dev_attr: underlying device attribute
*/
struct iio_const_attr {
const char *string;
#define to_iio_const_attr(_dev_attr) \
container_of(_dev_attr, struct iio_const_attr, dev_attr)
-/* Some attributes will be hard coded (device dependant) and not require an
+/* Some attributes will be hard coded (device dependent) and not require an
address, in these cases pass a negative */
#define IIO_ATTR(_name, _mode, _show, _store, _addr) \
{ .dev_attr = __ATTR(_name, _mode, _show, _store), \
/* Generic attributes of onetype or another */
/**
- * IIO_DEV_ATTR_REG: revision number for the device
+ * IIO_DEV_ATTR_REV - revision number for the device
+ * @_show: output method for the attribute
*
* Very much device dependent.
**/
#define IIO_DEV_ATTR_REV(_show) \
IIO_DEVICE_ATTR(revision, S_IRUGO, _show, NULL, 0)
+
/**
- * IIO_DEV_ATTR_NAME: chip type dependant identifier
+ * IIO_DEV_ATTR_NAME - chip type dependent identifier
+ * @_show: output method for the attribute
**/
#define IIO_DEV_ATTR_NAME(_show) \
IIO_DEVICE_ATTR(name, S_IRUGO, _show, NULL, 0)
/**
- * IIO_DEV_ATTR_SAMP_FREQ: sets any internal clock frequency
+ * IIO_DEV_ATTR_SAMP_FREQ - sets any internal clock frequency
+ * @_mode: sysfs file mode/permissions
+ * @_show: output method for the attribute
+ * @_store: input method for the attribute
**/
#define IIO_DEV_ATTR_SAMP_FREQ(_mode, _show, _store) \
IIO_DEVICE_ATTR(sampling_frequency, _mode, _show, _store, 0)
/**
- * IIO_DEV_ATTR_AVAIL_SAMP_FREQ: list available sampling frequencies.
+ * IIO_DEV_ATTR_AVAIL_SAMP_FREQ - list available sampling frequencies
+ * @_show: output method for the attribute
*
- * May be mode dependant on some devices
+ * May be mode dependent on some devices
**/
#define IIO_DEV_ATTR_AVAIL_SAMP_FREQ(_show) \
IIO_DEVICE_ATTR(available_sampling_frequency, S_IRUGO, _show, NULL, 0)
/**
- * IIO_DEV_ATTR_CONST_AVAIL_SAMP_FREQ: list available sampling frequencies.
+ * IIO_CONST_ATTR_AVAIL_SAMP_FREQ - list available sampling frequencies
+ * @_string: frequency string for the attribute
*
* Constant version
**/
#define IIO_CONST_ATTR_AVAIL_SAMP_FREQ(_string) \
IIO_CONST_ATTR(available_sampling_frequency, _string)
+
/**
- * IIO_DEV_ATTR_SCAN_MODE: select a scan mode
+ * IIO_DEV_ATTR_SCAN_MODE - select a scan mode
+ * @_mode: sysfs file mode/permissions
+ * @_show: output method for the attribute
+ * @_store: input method for the attribute
*
* This is used when only certain combinations of inputs may be read in one
* scan.
**/
#define IIO_DEV_ATTR_SCAN_MODE(_mode, _show, _store) \
IIO_DEVICE_ATTR(scan_mode, _mode, _show, _store, 0)
+
/**
- * IIO_DEV_ATTR_AVAIL_SCAN_MODES: list available scan modes
+ * IIO_DEV_ATTR_AVAIL_SCAN_MODES - list available scan modes
+ * @_show: output method for the attribute
**/
#define IIO_DEV_ATTR_AVAIL_SCAN_MODES(_show) \
IIO_DEVICE_ATTR(available_scan_modes, S_IRUGO, _show, NULL, 0)
/**
- * IIO_DEV_ATTR_SCAN: result of scan of multiple channels
+ * IIO_DEV_ATTR_SCAN - result of scan of multiple channels
+ * @_show: output method for the attribute
**/
#define IIO_DEV_ATTR_SCAN(_show) \
IIO_DEVICE_ATTR(scan, S_IRUGO, _show, NULL, 0);
/**
- * IIO_DEV_ATTR_INPUT: direct read of a single input channel
+ * IIO_DEV_ATTR_INPUT - direct read of a single input channel
+ * @_number: input channel number
+ * @_show: output method for the attribute
**/
#define IIO_DEV_ATTR_INPUT(_number, _show) \
IIO_DEVICE_ATTR(in##_number, S_IRUGO, _show, NULL, _number)
-
/**
- * IIO_DEV_ATTR_SW_RING_ENABLE: enable software ring buffer
+ * IIO_DEV_ATTR_SW_RING_ENABLE - enable software ring buffer
+ * @_show: output method for the attribute
+ * @_store: input method for the attribute
*
- * Success may be dependant on attachment of trigger previously
+ * Success may be dependent on attachment of trigger previously.
**/
#define IIO_DEV_ATTR_SW_RING_ENABLE(_show, _store) \
IIO_DEVICE_ATTR(sw_ring_enable, S_IRUGO | S_IWUSR, _show, _store, 0)
/**
- * IIO_DEV_ATTR_HW_RING_ENABLE: enable hardware ring buffer
+ * IIO_DEV_ATTR_HW_RING_ENABLE - enable hardware ring buffer
+ * @_show: output method for the attribute
+ * @_store: input method for the attribute
*
- * This is a different attribute from the software one as one can invision
+ * This is a different attribute from the software one as one can envision
* schemes where a combination of the two may be used.
**/
#define IIO_DEV_ATTR_HW_RING_ENABLE(_show, _store) \
IIO_DEVICE_ATTR(hw_ring_enable, S_IRUGO | S_IWUSR, _show, _store, 0)
/**
- * IIO_DEV_ATTR_BPSE: set number of bits per scan element
+ * IIO_DEV_ATTR_BPSE - set number of bits per scan element
+ * @_mode: sysfs file mode/permissions
+ * @_show: output method for the attribute
+ * @_store: input method for the attribute
**/
#define IIO_DEV_ATTR_BPSE(_mode, _show, _store) \
IIO_DEVICE_ATTR(bpse, _mode, _show, _store, 0)
/**
- * IIO_DEV_ATTR_BPSE_AVAILABLE: no of bits per scan element supported
+ * IIO_DEV_ATTR_BPSE_AVAILABLE - number of bits per scan element supported
+ * @_show: output method for the attribute
**/
#define IIO_DEV_ATTR_BPSE_AVAILABLE(_show) \
IIO_DEVICE_ATTR(bpse_available, S_IRUGO, _show, NULL, 0)
/**
- * IIO_DEV_ATTR_TEMP: many sensors have auxiliary temperature sensors
+ * IIO_DEV_ATTR_TEMP - many sensors have auxiliary temperature sensors
+ * @_show: output method for the attribute
**/
#define IIO_DEV_ATTR_TEMP(_show) \
IIO_DEVICE_ATTR(temp, S_IRUGO, _show, NULL, 0)
+
/**
- * IIO_EVENT_SH: generic shared event handler
+ * IIO_EVENT_SH - generic shared event handler
+ * @_name: event name
+ * @_handler: handler function to be called
*
* This is used in cases where more than one event may result from a single
* handler. Often the case that some alarm register must be read and multiple
.prev = &iio_event_##_name.list, \
}, \
};
+
/**
- * IIO_EVENT_ATTR_SH: generic shared event attribute
+ * IIO_EVENT_ATTR_SH - generic shared event attribute
+ * @_name: event name
+ * @_ev_list: event handler list
+ * @_show: output method for the attribute
+ * @_store: input method for the attribute
+ * @_mask: mask used when detecting the event
*
* An attribute with an associated IIO_EVENT_SH
**/
.listel = &_ev_list };
/**
- * IIO_EVENT_ATTR: non shared event attribute
+ * IIO_EVENT_ATTR - non-shared event attribute
+ * @_name: event name
+ * @_show: output method for the attribute
+ * @_store: input method for the attribute
+ * @_mask: mask used when detecting the event
+ * @_handler: handler function to be called
**/
#define IIO_EVENT_ATTR(_name, _show, _store, _mask, _handler) \
static struct iio_event_handler_list \
.listel = &iio_event_##_name }; \
/**
- * IIO_EVENT_ATTR_DATA_RDY: event driven by data ready signal
+ * IIO_EVENT_ATTR_DATA_RDY - event driven by data ready signal
+ * @_show: output method for the attribute
+ * @_store: input method for the attribute
+ * @_mask: mask used when detecting the event
+ * @_handler: handler function to be called
*
* Not typically implemented in devices where full triggering support
- * has been implemented
+ * has been implemented.
**/
#define IIO_EVENT_ATTR_DATA_RDY(_show, _store, _mask, _handler) \
IIO_EVENT_ATTR(data_rdy, _show, _store, _mask, _handler)
#define IIO_EVENT_CODE_DEVICE_SPECIFIC 1000
/**
- * IIO_EVENT_ATTR_RING_50_FULL: ring buffer event to indicate 50% full
+ * IIO_EVENT_ATTR_RING_50_FULL - ring buffer event to indicate 50% full
+ * @_show: output method for the attribute
+ * @_store: input method for the attribute
+ * @_mask: mask used when detecting the event
+ * @_handler: handler function to be called
**/
#define IIO_EVENT_ATTR_RING_50_FULL(_show, _store, _mask, _handler) \
IIO_EVENT_ATTR(ring_50_full, _show, _store, _mask, _handler)
/**
- * IIO_EVENT_ATTR_RING_50_FULL_SH: shared ring event to indicate 50% full
+ * IIO_EVENT_ATTR_RING_50_FULL_SH - shared ring event to indicate 50% full
+ * @_evlist: event handler list
+ * @_show: output method for the attribute
+ * @_store: input method for the attribute
+ * @_mask: mask used when detecting the event
**/
#define IIO_EVENT_ATTR_RING_50_FULL_SH(_evlist, _show, _store, _mask) \
IIO_EVENT_ATTR_SH(ring_50_full, _evlist, _show, _store, _mask)
/**
- * IIO_EVENT_ATTR_RING_75_FULL_SH: shared ring event to indicate 75% full
+ * IIO_EVENT_ATTR_RING_75_FULL_SH - shared ring event to indicate 75% full
+ * @_evlist: event handler list
+ * @_show: output method for the attribute
+ * @_store: input method for the attribute
+ * @_mask: mask used when detecting the event
**/
#define IIO_EVENT_ATTR_RING_75_FULL_SH(_evlist, _show, _store, _mask) \
IIO_EVENT_ATTR_SH(ring_75_full, _evlist, _show, _store, _mask)
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