Maxim Integrated 73M1822/73M1922 Hardware Module for SMDK412 - Manual (Page 19)

UG_1x22_054 73M1822/73M1922 Hardware Module for SMDK412 User Guide
Rev. 1.1 19
4 Accessing the Driver from the Linux Kernel Space
When accessing the driver from the Linux Kernel space the user should use the exported API function
calls instead of the standard device file based user space functions.
4.1 mknod
The device does not require a character device file to be created via a mknod command to access the
driver functionality from the kernel space.
4.2 tsc_1x22_mafe_open
Description
Once the driver is installed (via insmod) the driver service can be accessed and initialized with a
tsc_1x22_mafe_open()
call.
Prototype
int tsc_1x22_mafe_open (void);
Parameters
Data Type Name Description
void NA NA
Return Values
Data Type Description
int 0 = Success.
Not 0 = Failure.
4.3 tsc_1x22_mafe_close
Description
A file descriptor obtained with a tsc_1x22_mafe_open() command must be subsequently released
with a corresponding close.
Prototype
int tsc_1x22_mafe_close (void);
Parameters
Data Type Name Description
Void NA NA
Return Values
Data Type Description
int 0 = Success.
Not 0 = Failure.