Lines Matching refs:dB
136 if (!p || p->name || p->dB)
141 /* dB mapping */
145 if (p && p->dB) {
146 cval->dBmin = p->dB->min;
147 cval->dBmax = p->dB->max;
148 cval->min_mute = p->dB->min_mute;
1110 cval->min = 0xb5fb; /* -73 dB = 0xb6ff */
1327 /* USB descriptions contain the dB scale in 1/256 dB unit
1328 * while ALSA TLV contains in 1/100 dB unit
1333 /* something is wrong; assume it's either from/to 0dB */
1344 * here we use -96dB as the threshold
1348 "%d:%d: bogus dB values (%d/%d), disabling dB reporting\n",