Bluetooth: Controller: Inherit BT_ISO_TX_MTU value

Inherit BT_ISO_TX_MTU value for BT_CTLR_ISO_TX_BUFFER_SIZE. Signed-off-by: Vinayak Kariappa Chettimada <[email protected]>
zephyrproject-rtos · Jun 29, 2023 · 5835b5e · 5835b5e
1 parent 5a48346
commit 5835b5e
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diff --git a/subsys/bluetooth/controller/Kconfig b/subsys/bluetooth/controller/Kconfig
@@ -237,6 +237,7 @@ config BT_CTLR_ISO_TX_BUFFER_SIZE
 	int "Isochronous Tx buffer size"
 	depends on BT_CTLR_ADV_ISO || BT_CTLR_CONN_ISO
 	range 1 4095
+	default BT_ISO_TX_MTU if BT_ISO
 	default 1
 	help
 	  Size of the Isochronous Tx buffers and the value returned in HCI LE

diff --git a/subsys/bluetooth/controller/include/ll_feat.h b/subsys/bluetooth/controller/include/ll_feat.h
@@ -201,12 +201,8 @@
 
 #if defined(CONFIG_BT_CTLR_ADV_ISO)
 #define LL_FEAT_BIT_ISO_BROADCASTER BIT64(BT_LE_FEAT_BIT_ISO_BROADCASTER)
-#if defined(CONFIG_BT_ISO_TX_MTU)
 #define LL_BIS_OCTETS_TX_MAX MIN(CONFIG_BT_CTLR_ADV_ISO_PDU_LEN_MAX, \
-				 CONFIG_BT_ISO_TX_MTU)
-#else /* !CONFIG_BT_ISO_TX_MTU */
-#define LL_BIS_OCTETS_TX_MAX CONFIG_BT_CTLR_ADV_ISO_PDU_LEN_MAX
-#endif /* !CONFIG_BT_ISO_TX_MTU */
+				 CONFIG_BT_CTLR_ISO_TX_BUFFER_SIZE)
 #else /* !CONFIG_BT_CTLR_ADV_ISO */
 #define LL_FEAT_BIT_ISO_BROADCASTER 0
 #define LL_BIS_OCTETS_TX_MAX 0