From 1bbef0879ad86dfc21610a255e6cbca1b94b5d1a Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Sun, 5 Aug 2018 12:19:59 +0800
Subject: [PATCH] altos/lpc: Fix stdio wakeup on serial IRQ

Should just use USE_SERIAL_0_STDIN directly

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 src/lpc/ao_serial_lpc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/lpc/ao_serial_lpc.c b/src/lpc/ao_serial_lpc.c
index 0011744d..d5cf930a 100644
--- a/src/lpc/ao_serial_lpc.c
+++ b/src/lpc/ao_serial_lpc.c
@@ -66,8 +66,9 @@ lpc_usart_isr(void)
 	}
 	if (wake_input) {
 		ao_wakeup(&ao_usart_rx_fifo);
-		if (stdin)
-			ao_wakeup(&ao_stdin_ready);
+#if USE_SERIAL_0_STDIN
+		ao_wakeup(&ao_stdin_ready);
+#endif
 	}
 }
 
-- 
2.30.2