User Manual

73M1822/73M1922 Control Module User Guide UG_1x22_053
22 Rev. 1.0
6.1.1 M1X22_CH_INIT
Description
Performs 73M1x22 channel initialization. This includes initialize all default registers and country specific
threshold parameters. This IOCTL requires the country code listed in M1X22_COUNTRY_CODE as input.
The modem channel will be initialized according to the default setting parameter of the input country
code. The default setting parameter can be found in the tsc_1x22_ctl_cntry_tbl.c file. See also
M1X22_GET_COUNTRY_CONFIG and for run-time modification of country default setting.
#define M1X22_CH_INIT _IOWR(0xA4,0xC8,unsigned int)
Prototype
int ioctl (
int chan_fd,
int M1X22_CH_INIT,
unsigned long param );
Parameters
Data Type Name Description
int
chan_fd
Channel descriptor.
int
M1X22_CH_INIT
I/O control identifier for this operation.
unsigned long
param
Country code as listed in
M1X22_COUNTRY_CODE
.
Return Values
Data Type Description
int
-1 – Failed to initialize device.
0 – Successful.