From 2dd5aa15d9a2d4b87b32d93f3c5a66f175c0123d Mon Sep 17 00:00:00 2001
From: Jorge Sanjuan <jorge.sanjuan@codethink.co.uk>
Date: Thu, 14 Jun 2018 15:05:55 +0100
Subject: [PATCH] ALSA: usb-audio: Add bi-directional terminal types
Git-commit: 2dd5aa15d9a2d4b87b32d93f3c5a66f175c0123d
Patch-mainline: v4.18-rc1
References: bsc#1121278
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>
---
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)
--
2.20.1