update doc options

[qmk_firmware.git] / keyboards / iris / matrix.c

diff --git a/keyboards/iris/matrix.c b/keyboards/iris/matrix.c
index b83311ce16b0f5ce591224ef1c1abddcbaf9fc59..dcfc0216eac2b93c75326d37dd1baf9fce9f1a54 100644 (file)
--- a/keyboards/iris/matrix.c
+++ b/keyboards/iris/matrix.c
@@ -85,15 +85,7 @@ static matrix_row_t matrix_debouncing[MATRIX_ROWS];
     static void unselect_col(uint8_t col);
     static void select_col(uint8_t col);
 #endif
-__attribute__ ((weak))
-void matrix_init_quantum(void) {
-    matrix_init_kb();
-}
 
-__attribute__ ((weak))
-void matrix_scan_quantum(void) {
-    matrix_scan_kb();
-}
 
 __attribute__ ((weak))
 void matrix_init_kb(void) {
@@ -208,6 +200,15 @@ int i2c_transaction(void) {
     err = i2c_master_write(0x00);
     if (err) goto i2c_error;
 
+#ifdef BACKLIGHT_ENABLE
+    // Write backlight level for slave to read
+    err = i2c_master_write(get_backlight_level());
+#else
+    // Write zero, so our byte index is the same
+    err = i2c_master_write(0x00);
+#endif
+    if (err) goto i2c_error;
+
     // Start read
     err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);
     if (err) goto i2c_error;
@@ -285,8 +286,12 @@ void matrix_slave_scan(void) {
     int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
 
 #ifdef USE_I2C
+#ifdef BACKLIGHT_ENABLE
+    // Read backlight level sent from master and update level on slave
+    backlight_set(i2c_slave_buffer[0]);
+#endif
     for (int i = 0; i < ROWS_PER_HAND; ++i) {
-        i2c_slave_buffer[i] = matrix[offset+i];
+        i2c_slave_buffer[i+1] = matrix[offset+i];
     }
 #else // USE_SERIAL
     for (int i = 0; i < ROWS_PER_HAND; ++i) {