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;
1116 cval->min = 0xb5fb; /* -73 dB = 0xb6ff */
1392 /* USB descriptions contain the dB scale in 1/256 dB unit
1393 * while ALSA TLV contains in 1/100 dB unit
1398 /* something is wrong; assume it's either from/to 0dB */
1409 * here we use -96dB as the threshold
1413 "%d:%d: bogus dB values (%d/%d), disabling dB reporting\n",
1745 * be generated since our checks are only meaningful for dB volume.
1752 * Meaningless volume control capability (<1dB). This should cover
1772 * min < 0 = max: DSP? Voltage attenuator with FW conversion to dB?