4 files changed, 22 insertions, 13 deletions
diff --git a/keyboards/moon/matrix.c b/keyboards/moon/matrix.c
index 24b4d49560..0615b60ad3 100644
--- a/keyboards/moon/matrix.c
+++ b/keyboards/moon/matrix.c
@@ -158,10 +158,12 @@ static void select_row(uint8_t row) {
 }
 
 static uint16_t read_cols(void) {
-  uint16_t state_1 = pca9555_readPins(IC2, PCA9555_PORT0);
-  uint16_t state_2 = pca9555_readPins(IC2, PCA9555_PORT1);
+  uint8_t state_1 = 0;
+  uint8_t state_2 = 0;
+  pca9555_readPins(IC2, PCA9555_PORT0, &state_1);
+  pca9555_readPins(IC2, PCA9555_PORT1, &state_2);
 
-  uint16_t state = ((state_1 & PORT0_COLS_MASK) << 3) | ((state_2 & PORT1_COLS_MASK));
+  uint16_t state = (((uint16_t)state_1 & PORT0_COLS_MASK) << 3) | (((uint16_t)state_2 & PORT1_COLS_MASK));
 
   // A low pin indicates an active column
   return (~state) & COLS_MASK;
diff --git a/keyboards/switchplate/southpaw_65/matrix.c b/keyboards/switchplate/southpaw_65/matrix.c
index e701d274f0..5895750f89 100644
--- a/keyboards/switchplate/southpaw_65/matrix.c
+++ b/keyboards/switchplate/southpaw_65/matrix.c
@@ -51,11 +51,14 @@ static void select_row(uint8_t row) {
 
 static uint32_t read_cols(void) {
     //Read column inputs. Pins 13-31 are used. Split across both ICs but they are sequential
-    uint32_t state_1 = pca9555_readPins(IC1, PCA9555_PORT1);
-    uint32_t state_2 = pca9555_readPins(IC2, PCA9555_PORT0);
-    uint32_t state_3 = pca9555_readPins(IC2, PCA9555_PORT1);
-
-    uint32_t state = (((state_3 & 0b01111111) << 12) | (state_2 << 4) | ((state_1 & 0b11110000) >> 4));
+    uint8_t state_1 = 0;
+    uint8_t state_2 = 0;
+    uint8_t state_3 = 0;
+    pca9555_readPins(IC2, PCA9555_PORT0, &state_1);
+    pca9555_readPins(IC2, PCA9555_PORT1, &state_2);
+    pca9555_readPins(IC1, PCA9555_PORT1, &state_3);
+
+    uint32_t state = ((((uint32_t)state_3 & 0b01111111) << 12) | ((uint32_t)state_2 << 4) | (((uint32_t)state_1 & 0b11110000) >> 4));
     return ~state;
 }
 
diff --git a/keyboards/xiudi/xd84/matrix.c b/keyboards/xiudi/xd84/matrix.c
index 92b8ff8546..04128561ee 100644
--- a/keyboards/xiudi/xd84/matrix.c
+++ b/keyboards/xiudi/xd84/matrix.c
@@ -53,7 +53,8 @@ static void select_row(uint8_t row) {
 static uint16_t read_cols(void) {
     // uint16_t state_1 = pca9555_readPins(IC2, PCA9555_PORT0);
     // uint16_t state_2 = pca9555_readPins(IC2, PCA9555_PORT1);
-    uint16_t state = pca9555_readAllPins(IC2);
+    uint16_t state = 0;
+    pca9555_readPins_all(IC2, &state);
 
     // For the XD84 all cols are on the same IC and mapped sequentially
     // while this technically gives 16 column reads,
diff --git a/keyboards/xiudi/xd96/matrix.c b/keyboards/xiudi/xd96/matrix.c
index 8cecc79c26..beef7fae12 100644
--- a/keyboards/xiudi/xd96/matrix.c
+++ b/keyboards/xiudi/xd96/matrix.c
@@ -50,13 +50,16 @@ static void select_row(uint8_t row) {
 }
 
 static uint32_t read_cols(void) {
-  uint32_t state_1 = pca9555_readPins(IC2, PCA9555_PORT0);
-  uint32_t state_2 = pca9555_readPins(IC2, PCA9555_PORT1);
-  uint32_t state_3 = pca9555_readPins(IC1, PCA9555_PORT1);
+  uint8_t state_1 = 0;
+  uint8_t state_2 = 0;
+  uint8_t state_3 = 0;
+  pca9555_readPins(IC2, PCA9555_PORT0, &state_1);
+  pca9555_readPins(IC2, PCA9555_PORT1, &state_2);
+  pca9555_readPins(IC1, PCA9555_PORT1, &state_3);
 
   // For the XD96 the pins are mapped to port expanders as follows:
   //   all 8 pins port 0 IC2, first 6 pins port 1 IC2, first 4 pins port 1 IC1
-  uint32_t state = (((state_3 & 0b00001111) << 14) | ((state_2 & 0b00111111) << 8) | state_1);
+  uint32_t state = ((((uint32_t)state_3 & 0b00001111) << 14) | (((uint32_t)state_2 & 0b00111111) << 8) | (uint32_t)state_1);
   return (~state) & 0b111111111111111111;
 }