u32 current_frequency;
};
-static int i2c_writebytes (struct or51211_state* state, u8 reg, u8 *buf,
+static int i2c_writebytes (struct or51211_state* state, u8 reg, const u8 *buf,
int len)
{
int err;
msg.addr = reg;
msg.flags = 0;
msg.len = len;
- msg.buf = buf;
+ msg.buf = (u8 *)buf;
if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
printk(KERN_WARNING "or51211: i2c_writebytes error "