Lines Matching refs:audio
9 * Many codes borrowed from audio.c by
21 * - audio channel clustering (UAC2)
22 * - audio sample rate converter units (UAC2)
37 #include <linux/usb/audio.h>
38 #include <linux/usb/audio-v2.h>
39 #include <linux/usb/audio-v3.h>
172 * find an audio control unit with the given unit id
1182 /* Most audio usb devices lie about volume resolution.
1868 /* get connector value to "wake up" the USB audio */
2059 /* audio class v1 controls are never read-only */
2864 * parse an audio unit recursively
3095 * and the audio sample bit resolution (16 bits or 24