Lines Matching refs:volume
19 Software stereo volume control.
21 static void change_volume(struct urb *urb_out, int volume[],
26 if (volume[0] == 256 && volume[1] == 256)
27 return; /* maximum volume - no change */
37 int val = (pv * volume[chn & 1]) >> 8;
52 val = (val * volume[chn & 1]) >> 8;
109 int volume, int bytes_per_frame)
111 if (volume == 0)
112 return; /* zero volume - no change */
124 int val = pov + ((piv * volume) >> 8);