diff options
| -rw-r--r-- | keyboards/iris/matrix.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/keyboards/iris/matrix.c b/keyboards/iris/matrix.c index b83311ce16..3d8d2adb8f 100644 --- a/keyboards/iris/matrix.c +++ b/keyboards/iris/matrix.c @@ -208,6 +208,15 @@ 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 +294,12 @@ 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) { |