247 	u16 rval;  in and_radio_reg()  local
249 	rval = read_radio_reg(pi, addr);  in and_radio_reg()
250 	write_radio_reg(pi, addr, (rval & val));  in and_radio_reg()
255 	u16 rval;  in or_radio_reg()  local
257 	rval = read_radio_reg(pi, addr);  in or_radio_reg()
258 	write_radio_reg(pi, addr, (rval | val));  in or_radio_reg()
263 	u16 rval;  in xor_radio_reg()  local
265 	rval = read_radio_reg(pi, addr);  in xor_radio_reg()
266 	write_radio_reg(pi, addr, (rval ^ mask));  in xor_radio_reg()
271 	u16 rval;  in mod_radio_reg()  local
273 	rval = read_radio_reg(pi, addr);  in mod_radio_reg()
274 	write_radio_reg(pi, addr, (rval & ~mask) | (val & mask));  in mod_radio_reg()