From 2dd5aa15d9a2d4b87b32d93f3c5a66f175c0123d Mon Sep 17 00:00:00 2001 From: Jorge Sanjuan Date: Thu, 14 Jun 2018 15:05:55 +0100 Subject: ALSA: usb-audio: Add bi-directional terminal types Define the bi-directional USB terminal types for audio devices. Signed-off-by: Jorge Sanjuan Signed-off-by: Takashi Iwai --- include/uapi/linux/usb/audio.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include/uapi') 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) -- cgit v1.2.3-59-g8ed1b