write_zsreg(9)
NAME
write_zsreg - Write to a Z8530 channel register
SYNOPSIS
void write_zsreg(struct z8530_channel * c, u8 reg, u8 val);
ARGUMENTS
- c
- The Z8530 channel
- reg
- Register number
- val
- Value to write
DESCRIPTION
Write a value to an indexed register. The caller must hold the lock to
honour the irritating delay rules. We know about register 0 being fast
to access.
Assumes c->lock is held.
AUTHOR
- Alan Cox <alan@redhat.com>
- Author.