Commit 2dd5aa15 authored by Jorge Sanjuan's avatar Jorge Sanjuan Committed by Takashi Iwai
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ALSA: usb-audio: Add bi-directional terminal types



Define the bi-directional USB terminal types for audio devices.
Signed-off-by: default avatarJorge Sanjuan <jorge.sanjuan@codethink.co.uk>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 4a23fc8c
......@@ -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)
......
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