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update(class/audio/usbh_auido): update audio volume and mute api, caculate volume with volume min & max

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sakumisu
2024-10-30 22:19:37 +08:00
parent 77136aa743
commit d6aae26371
3 changed files with 136 additions and 30 deletions
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12
class/audio/usb_audio.h
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@@ -648,6 +648,18 @@ struct audio_cs_if_ac_feature_unit_descriptor {
#define AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(ch, n) (7 + (ch + 1) * n)
struct audio_cs_if_ac_selector_unit_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
uint8_t bUnitID;
uint8_t bNrInPins;
uint8_t baSourceID[1];
uint8_t iSelector;
} __PACKED;
#define AUDIO_SIZEOF_AC_SELECTOR_UNIT_DESC(n) (6 + n)
struct audio_cs_if_as_general_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;