diff --git a/spa/plugins/bluez5/a2dp-codecs.h b/spa/plugins/bluez5/a2dp-codecs.h
index 6673236e8..07c301c18 100644
--- a/spa/plugins/bluez5/a2dp-codecs.h
+++ b/spa/plugins/bluez5/a2dp-codecs.h
@@ -4,7 +4,7 @@
  *
  *  Copyright (C) 2006-2010  Nokia Corporation
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
- *
+ *  Copyright (C) 2018       Pali Rohár <pali.rohar@gmail.com>
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
@@ -169,6 +169,19 @@
 #define APTX_HD_SAMPLING_FREQ_44100     0x2
 #define APTX_HD_SAMPLING_FREQ_48000     0x1
 
+#define APTX_LL_VENDOR_ID		0x0000000a
+#define APTX_LL_VENDOR_ID2		0x000000d7
+#define APTX_LL_CODEC_ID		0x0002
+
+/**
+ * Default parameters for aptX LL (Sprint) encoder
+ */
+#define APTX_LL_TARGET_CODEC_LEVEL      180  /* target codec buffer level */
+#define APTX_LL_INITIAL_CODEC_LEVEL     360  /* initial codec buffer level */
+#define APTX_LL_SRA_MAX_RATE            50   /* x/10000 = 0.005 SRA rate */
+#define APTX_LL_SRA_AVG_TIME            1    /* SRA averaging time = 1s */
+#define APTX_LL_GOOD_WORKING_LEVEL      180  /* good working buffer level */
+
 #define LDAC_VENDOR_ID			0x0000012d
 #define LDAC_CODEC_ID			0x00aa
 
@@ -241,6 +254,13 @@ typedef struct {
 	uint32_t rfa;
 } __attribute__ ((packed)) a2dp_aptx_hd_t;
 
+typedef struct {
+        a2dp_aptx_t aptx;
+        uint8_t bidirect_link:1;
+        uint8_t has_new_caps:1;
+        uint8_t reserved:6;
+} __attribute__ ((packed)) a2dp_aptx_ll_t;
+
 #elif __BYTE_ORDER == __BIG_ENDIAN
 
 typedef struct {
@@ -288,11 +308,31 @@ typedef struct {
 	uint32_t rfa;
 } __attribute__ ((packed)) a2dp_aptx_hd_t;
 
+typedef struct {
+        a2dp_aptx_t aptx;
+        uint8_t reserved:6;
+        uint8_t has_new_caps:1;
+        uint8_t bidirect_link:1;
+} __attribute__ ((packed)) a2dp_aptx_ll_t;
 
 #else
 #error "Unknown byte order"
 #endif
 
+typedef struct {
+        a2dp_aptx_ll_t base;
+        uint8_t reserved;
+        uint8_t target_level2;
+        uint8_t target_level1;
+        uint8_t initial_level2;
+        uint8_t initial_level1;
+        uint8_t sra_max_rate;
+        uint8_t sra_avg_time;
+        uint8_t good_working_level2;
+        uint8_t good_working_level1;
+} __attribute__ ((packed)) a2dp_aptx_ll_ext_t;
+
+
 #define A2DP_CODEC_DEFAULT_RATE		48000
 #define A2DP_CODEC_DEFAULT_CHANNELS	2