Maxim Integrated 73M1866B/73M1966B Reference Driver - Manual (Page 30)

73M1866B/73M1966B Reference Driver User Guide UG_1x66B_015
30 Rev. 2.7
6.1.10 M1966_PCM_CSET_COMPRESSION_SET
Description
Sets PCM data compression mode.
#define M1966_PCM_CSET_COMPRESSION_SET
_IOWR(0xA4,0xD8,unsigned int)
Prototype
int ioctl (
int chan_fd,
int M1966_PCM_CSET_COMPRESSION_SET,
unsigned long param );
Parameters
Data Type Name Description
int chan_fd Channel descriptor.
int M1966_PCM_CSET_COMPRESSION_SET I/O control identifier for this operation.
unsigned long param Compression mode:
0 – Companded mode: A-law.
1 – Companded mode: u-law.
2 – Linear mode.
Return Values
Data Type Description
int Always returns 0.
6.1.11 M1966_PCM_ACTIVATION_SET
Description
This service activates the PCM time slots configured for this FXO channel.
#define M1966_PCM_ACTIVATION_SET
_IOWR(0xA4,0xD9,unsigned int)
Prototype
int ioctl (
int chan_fd,
int M1966_PCM_ACTIVATION_SET,
unsigned long param );
Parameters
Data Type Name Description
int chan_fd Channel descriptor.
int M1966_PCM_ACTIVATION_SET I/O control identifier for this operation.
unsigned long param N/A.
Return Values
Data Type Description
int Always returns 0.