Maxim Integrated 73M1822/73M1922 Control Module - Manual (Page 39)

UG_1x22_053 73M1822/73M1922 Control Module User Guide
Rev. 1.0 39
6.3.5 M1X22_ATDP_CANCEL
Description
Aborts or cancels an active pulse session requested previously by using the M1X22_ATDP IOCTL. The
cancellation occurs in the background and, when it is done, the driver sends an M1X22_DIAL_ABORTED
event.
#define M1X22_ATDP_CANCEL
_IOWR(0xA4,0xDD,unsigned int)
Prototype
int ioctl (
int chan_fd,
int M1X22_ATDP_CANCEL,
unsigned long param );
Parameters
Data Type Name Description
int chan_fd Channel descriptor.
int M1X22_ATDP_CANCEL I/O control identifier for this operation.
unsigned long param N/A.
Return Values
Data Type Description
int Always returns 0.