static long convert_gain(long gain) { /* Don't allow unreasonably low or high gain changes. * Our math code can't handle it properly anyway. :) */ gain = MAX(gain, FP_MIN); gain = MIN(gain, FP_MAX); return fp_factor(gain, FP_BITS) << (24 - FP_BITS); }
static long convert_gain(long gain) { /* Don't allow unreasonably low or high gain changes. * Our math code can't handle it properly anyway. :) */ if (gain < (-48 * FP_ONE)) { gain = -48 * FP_ONE; } if (gain > (17 * FP_ONE)) { gain = 17 * FP_ONE; } gain = fp_factor(gain, FP_BITS) << (24 - FP_BITS); return gain; }