3  * HMC425A and similar Gain Amplifiers
41 	u32	gain;  member
61 	int code, gain = 0;  in hmc425a_read_raw()  local
67 		code = st->gain;  in hmc425a_read_raw()
71 			gain = ~code * -500;  in hmc425a_read_raw()
75 		*val = gain / 1000;  in hmc425a_read_raw()
76 		*val2 = (gain % 1000) * 1000;  in hmc425a_read_raw()
94 	int code = 0, gain;  in hmc425a_write_raw()  local
98 		gain = (val * 1000) - (val2 / 1000);  in hmc425a_write_raw()
100 		gain = (val * 1000) + (val2 / 1000);  in hmc425a_write_raw()
102 	if (gain > inf->gain_max || gain < inf->gain_min)  in hmc425a_write_raw()
107 		code = ~((abs(gain) / 500) & 0x3F);  in hmc425a_write_raw()
114 		st->gain = code;  in hmc425a_write_raw()
116 		ret = hmc425a_write(indio_dev, st->gain);  in hmc425a_write_raw()
172 		.default_gain = -0x40, /* set default gain -31.5db*/
193 	st->gain = st->chip_info->default_gain;  in hmc425a_probe()
228 MODULE_DESCRIPTION("Analog Devices HMC425A and similar GPIO control Gain Amplifiers");