cw1200_get_tx_rate
policy->defined = cw1200_get_tx_rate(priv, &rates[0])->hw_value + 1;
rateid = cw1200_get_tx_rate(priv, &rates[i])->hw_value;
cw1200_get_tx_rate(const struct cw1200_common *priv,
t->rate = cw1200_get_tx_rate(priv,