Messages in this thread Patch in this message | | | From | Jorge Sanjuan <> | Subject | [PATCH 1/2] ALSA: usb-audio: Add bi-directional terminal types. | Date | Tue, 12 Jun 2018 15:32:00 +0100 |
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Define the bi-directional USB terminal types for audio devices.
Signed-off-by: Jorge Sanjuan <jorge.sanjuan@codethink.co.uk> --- include/uapi/linux/usb/audio.h | 8 ++++++++ 1 file changed, 8 insertions(+)
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) -- 2.11.0
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