M1x22_ch_init – Maxim Integrated 73M1822/73M1922 Control Module User Manual
Page 22
 
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.