Lines Matching refs:gain
4 * This driver supports the following gain amplifiers:
7 * ADL5240 Digitally controlled variable gain amplifier (VGA)
113 int code, gain = 0;
122 gain = code * 253 + 4500;
125 gain = 15000 - code * 1000;
128 gain = 20000 - 31500 + code * 500;
131 gain = -1 * code * 250;
136 *val = gain / 1000;
137 *val2 = (gain % 1000) * 1000;
157 int code = 0, gain;
162 gain = (val * 1000) - (val2 / 1000);
164 gain = (val * 1000) + (val2 / 1000);
166 if (gain > inf->gain_max || gain < inf->gain_min)
171 code = (gain - 4500) / 253;
174 code = (15000 - gain) / 1000;
177 code = ((gain - 500 - 20000) / 500) & 0x3F;
180 code = (abs(gain) / 250) & 0x7F;