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update(class/audio): change volume unit with dB, fix uac2.0 volume range

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sakumisu
2024-11-25 12:44:32 +08:00
parent a72ecd2202
commit ac3be8cb3a
4 changed files with 54 additions and 31 deletions
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2
class/audio/usbh_audio.h
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@@ -59,7 +59,7 @@ extern "C" {
int usbh_audio_open(struct usbh_audio *audio_class, const char *name, uint32_t samp_freq, uint8_t bitresolution);
int usbh_audio_close(struct usbh_audio *audio_class, const char *name);
int usbh_audio_set_volume(struct usbh_audio *audio_class, const char *name, uint8_t ch, uint8_t volume);
int usbh_audio_set_volume(struct usbh_audio *audio_class, const char *name, uint8_t ch, int volume_db);
int usbh_audio_set_mute(struct usbh_audio *audio_class, const char *name, uint8_t ch, bool mute);
void usbh_audio_run(struct usbh_audio *audio_class);