From da914de463c4ef96a60a5492c6d488364ff158ce Mon Sep 17 00:00:00 2001
From: Charlie Birks <charlie@daft.games>
Date: Sun, 8 Mar 2026 17:31:12 +0000
Subject: [PATCH] pico: fix tca9555 gpio read initial value

Now we don't end up with all buttons pressed if the i2c gets disconnected
---
 32blit-pico/input/tca9555.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/32blit-pico/input/tca9555.cpp b/32blit-pico/input/tca9555.cpp
index 35302ab17..43349ef0c 100644
--- a/32blit-pico/input/tca9555.cpp
+++ b/32blit-pico/input/tca9555.cpp
@@ -42,7 +42,7 @@ void update_input() {
   if(!tca9555_found)
     return;
 
-  uint16_t gpio = 0;
+  uint16_t gpio = 0xFFFF;
 
   i2c_read_blocking(TCA9555_I2C, TCA9555_ADDR, (uint8_t *)&gpio, 2, false);