diff --git a/libraries/drivers/tlv320 b/libraries/drivers/tlv320
index 8d554106..b4108f53 160000
--- a/libraries/drivers/tlv320
+++ b/libraries/drivers/tlv320
@@ -1 +1 @@
-Subproject commit 8d5541065eed11ea772cf1ba4c15890489b7fd92
+Subproject commit b4108f53e48b90ee699b9ca9f4e18fd88838b5e7
diff --git a/libraries/helpers/pio_uart b/libraries/helpers/pio_uart
index 66046da4..9225d091 160000
--- a/libraries/helpers/pio_uart
+++ b/libraries/helpers/pio_uart
@@ -1 +1 @@
-Subproject commit 66046da48cfb4cdb6d5128b01d56c275d8beb3ac
+Subproject commit 9225d09103ea8758df58d38a15aaf219717ea896