struct iio_dev — industrial I/O device
struct iio_dev {
int id;
int modes;
int currentmode;
struct device dev;
struct iio_event_interface * event_interface;
struct iio_buffer * buffer;
struct list_head buffer_list;
int scan_bytes;
struct mutex mlock;
const unsigned long * available_scan_masks;
unsigned masklength;
const unsigned long * active_scan_mask;
bool scan_timestamp;
unsigned scan_index_timestamp;
struct iio_trigger * trig;
struct iio_poll_func * pollfunc;
struct iio_chan_spec const * channels;
int num_channels;
struct list_head channel_attr_list;
struct attribute_group chan_attr_group;
const char * name;
const struct iio_info * info;
struct mutex info_exist_lock;
const struct iio_buffer_setup_ops * setup_ops;
struct cdev chrdev;
#define IIO_MAX_GROUPS 6
const struct attribute_group * groups[IIO_MAX_GROUPS + 1];
int groupcounter;
unsigned long flags;
#if defined(CONFIG_DEBUG_FS)
struct dentry * debugfs_dentry;
unsigned cached_reg_addr;
#endif
}; [INTERN] used to identify device internally
[DRIVER] operating modes supported by device
[DRIVER] current operating mode
[DRIVER] device structure, should be assigned a parent and owner
[INTERN] event chrdevs associated with interrupt lines
[DRIVER] any buffer present
[INTERN] list of all buffers currently attached
[INTERN] num bytes captured to be fed to buffer demux
[INTERN] lock used to prevent simultaneous device state changes
[DRIVER] optional array of allowed bitmasks
[INTERN] the length of the mask established from channels
[INTERN] union of all scan masks requested by buffers
[INTERN] set if any buffers have requested timestamp
[INTERN] cache of the index to the timestamp
[INTERN] current device trigger (buffer modes)
[DRIVER] function run on trigger being received
[DRIVER] channel specification structure table
[DRIVER] number of channels specified in channels.
[INTERN] keep track of automatically created channel attributes
[INTERN] group for all attrs in base directory
[DRIVER] name of the device.
[DRIVER] callbacks and constant info from driver
[INTERN] lock to prevent use during removal
[DRIVER] callbacks to call before and after buffer enable/disable
[INTERN] associated character device
[INTERN] attribute groups
[INTERN] index of next attribute group
[INTERN] file ops related flags including busy flag.
[INTERN] device specific debugfs dentry.
[INTERN] cached register address for debugfs reads.