.TH "mca_read_pos" 9 "mca_read_pos" "25 May 1998" "Kernel Hacker's Manual" LINUX .SH NAME mca_read_pos \- read POS register from card .SH SYNOPSIS .B "unsigned char" mca_read_pos .BI "(int " slot "," .BI "int " reg ");" .SH ARGUMENTS .IP "slot" 12 slot number to read from .IP "reg" 12 register to read from .SH "DESCRIPTION" Fetch a POS value directly from the hardware to obtain the current value. This is much slower than mca_read_stored_pos and may not be invoked from interrupt context. It handles the deep magic required for onboard devices transparently.