diff options
Diffstat (limited to 'include/uapi/linux/usb/audio.h')
| -rw-r--r-- | include/uapi/linux/usb/audio.h | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/include/uapi/linux/usb/audio.h b/include/uapi/linux/usb/audio.h index 3a78e7145689..74e520fb944f 100644 --- a/include/uapi/linux/usb/audio.h +++ b/include/uapi/linux/usb/audio.h @@ -230,6 +230,14 @@ struct uac1_output_terminal_descriptor { #define UAC_OUTPUT_TERMINAL_COMMUNICATION_SPEAKER 0x306 #define UAC_OUTPUT_TERMINAL_LOW_FREQ_EFFECTS_SPEAKER 0x307 +/* Terminals - 2.4 Bi-directional Terminal Types */ +#define UAC_BIDIR_TERMINAL_UNDEFINED 0x400 +#define UAC_BIDIR_TERMINAL_HANDSET 0x401 +#define UAC_BIDIR_TERMINAL_HEADSET 0x402 +#define UAC_BIDIR_TERMINAL_SPEAKER_PHONE 0x403 +#define UAC_BIDIR_TERMINAL_ECHO_SUPPRESSING 0x404 +#define UAC_BIDIR_TERMINAL_ECHO_CANCELING 0x405 + /* Set bControlSize = 2 as default setting */ #define UAC_DT_FEATURE_UNIT_SIZE(ch) (7 + ((ch) + 1) * 2) @@ -285,9 +293,22 @@ static inline __u8 uac_mixer_unit_iChannelNames(struct uac_mixer_unit_descriptor static inline __u8 *uac_mixer_unit_bmControls(struct uac_mixer_unit_descriptor *desc, int protocol) { - return (protocol == UAC_VERSION_1) ? - &desc->baSourceID[desc->bNrInPins + 4] : - &desc->baSourceID[desc->bNrInPins + 6]; + switch (protocol) { + case UAC_VERSION_1: + return &desc->baSourceID[desc->bNrInPins + 4]; + case UAC_VERSION_2: + return &desc->baSourceID[desc->bNrInPins + 6]; + case UAC_VERSION_3: + return &desc->baSourceID[desc->bNrInPins + 2]; + default: + return NULL; + } +} + +static inline __u16 uac3_mixer_unit_wClusterDescrID(struct uac_mixer_unit_descriptor *desc) +{ + return (desc->baSourceID[desc->bNrInPins + 1] << 8) | + desc->baSourceID[desc->bNrInPins]; } static inline __u8 uac_mixer_unit_iMixer(struct uac_mixer_unit_descriptor *desc) |