Lines Matching refs:gain
4 * This driver supports the following gain amplifiers:
7 * ADL5240 Digitally controlled variable gain amplifier (VGA)
120 int code, gain = 0;
129 gain = code * 253 + 4500;
132 gain = 15000 - code * 1000;
135 gain = 20000 - 31500 + code * 500;
138 gain = -1 * code * 500;
141 gain = -1 * code * 250;
146 *val = gain / 1000;
147 *val2 = (gain % 1000) * 1000;
167 int code = 0, gain;
172 gain = (val * 1000) - (val2 / 1000);
174 gain = (val * 1000) + (val2 / 1000);
176 if (gain > inf->gain_max || gain < inf->gain_min)
181 code = (gain - 4500) / 253;
184 code = (15000 - gain) / 1000;
187 code = ((gain - 500 - 20000) / 500) & 0x3F;
190 code = (abs(gain) / 500) & 0x3F;
193 code = (abs(gain) / 250) & 0x7F;