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| author |   Jorge Sanjuan <jorge.sanjuan@codethink.co.uk> | 2018-06-14 15:05:55 +0100 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2018-06-14 18:03:21 +0200 |
| commit | 2dd5aa15d9a2d4b87b32d93f3c5a66f175c0123d (patch) | |
| tree | 46358ce3a18ed13752ff954230abd825adf51a60 /include/uapi | |
| parent | ALSA: lx6464es: add error handling for pci_ioremap_bar (diff) | |
| download | linux-dev-2dd5aa15d9a2d4b87b32d93f3c5a66f175c0123d.tar.xz linux-dev-2dd5aa15d9a2d4b87b32d93f3c5a66f175c0123d.zip | |
ALSA: usb-audio: Add bi-directional terminal types
Define the bi-directional USB terminal types for audio devices.
Signed-off-by: Jorge Sanjuan <jorge.sanjuan@codethink.co.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/usb/audio.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/audio.h b/include/uapi/linux/usb/audio.h index 13d98e6e0db1..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) |