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M1966_pcm_if_cset_frequency_set – Maxim Integrated 73M1866B/73M1966B Reference Driver User Manual

Page 26

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73M1866B/73M1966B Reference Driver User Guide

UG_1x66B_015

26

Rev. 2.7

6.1.3 M1966_PCM_IF_CSET_FREQUENCY_SET

Description

If the incoming PCM frequency differs from the default value, then this IOCTL changes the 73M1x66 to
the requested frequency.

#define M1966_PCM_IF_CSET_FREQUENCY_SET

_IOWR(0xA4,0xD1,unsigned int)


Prototype

int ioctl (

int chan_fd,

int M1966_PCM_IF_CSET_FREQUENCY_SET,

unsigned long param );


Parameters

Data Type

Name

Description

int

chan_fd

Channel descriptor.

int

M1966_PCM_IF_CSET_FREQUENCY_SET I/O control identifier for this operation.

unsigned long

param

PCLK Frequencies (in binary)
256 kHz – 0001
512 kHz – 0010
768 kHz – 0011
1024 kHz – 0100
1.536 MHz – 0101
1.544 MHz – 0110
2.048 MHz – 0111
3.088 MHz – 1000
4.096 MHz – 1001
6.176 MHz – 1010
8.192 MHz – 1011
See the 73M1866B/73M1966B Data
Sheet
for more information.


Return Values

Data Type

Description

int

-EFAULT – Invalid param.
0 – Successful.