Update to v4.19 kernel headers.
Test: Builds and boots.
Change-Id: I99a9ed79666e143b47f02ca4e59eed94f69b7e4a
(cherry picked from commit a981e2e52e2e95a65fa9c9b6fb16dcb4c83dd576)
diff --git a/libc/kernel/uapi/linux/usb/audio.h b/libc/kernel/uapi/linux/usb/audio.h
index 87b8bd5..7d36157 100644
--- a/libc/kernel/uapi/linux/usb/audio.h
+++ b/libc/kernel/uapi/linux/usb/audio.h
@@ -154,6 +154,12 @@
#define UAC_OUTPUT_TERMINAL_ROOM_SPEAKER 0x305
#define UAC_OUTPUT_TERMINAL_COMMUNICATION_SPEAKER 0x306
#define UAC_OUTPUT_TERMINAL_LOW_FREQ_EFFECTS_SPEAKER 0x307
+#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
#define UAC_DT_FEATURE_UNIT_SIZE(ch) (7 + ((ch) + 1) * 2)
#define DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR(ch) struct uac_feature_unit_descriptor_ ##ch { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubtype; __u8 bUnitID; __u8 bSourceID; __u8 bControlSize; __le16 bmaControls[ch + 1]; __u8 iFeature; \
} __attribute__((packed))