diff options
Diffstat (limited to 'cpu/ppc4xx')
-rw-r--r-- | cpu/ppc4xx/i2c.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/cpu/ppc4xx/i2c.c b/cpu/ppc4xx/i2c.c index 7d8db9b..4bf0bbd 100644 --- a/cpu/ppc4xx/i2c.c +++ b/cpu/ppc4xx/i2c.c @@ -422,4 +422,23 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len) return (i2c_transfer( 0, chip<<1, &xaddr[4-alen], alen, buffer, len ) != 0); } +/*----------------------------------------------------------------------- + * Read a register + */ +uchar i2c_reg_read(uchar i2c_addr, uchar reg) +{ + char buf; + + i2c_read(i2c_addr, reg, 1, &buf, 1); + + return(buf); +} + +/*----------------------------------------------------------------------- + * Write a register + */ +void i2c_reg_write(uchar i2c_addr, uchar reg, uchar val) +{ + i2c_write(i2c_addr, reg, 1, &val, 1); +} #endif /* CONFIG_HARD_I2C */ |