Fix connection issue in split keyboards when slave and OLED display are connected via I2C, fix #9335 (#11487)

* In split keyboards fix connection issue when slave and OLED are connected via I2C. Fix #9335

* Revert "In split keyboards fix connection issue when slave and OLED are connected via I2C. Fix #9335"

This reverts commit 3ee639e1f35fb0fe257fc3ba1095124e039af7d7.

* In split keyboards fix connection issue when slave and OLED are connected via I2C. Fix #9335

* Update drivers/oled/oled_driver.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

Co-authored-by: osenchenko <osechenko@chiefmate.io>
Co-authored-by: Drashna Jaelre <drashna@live.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c
index 92c64399e..a60f2de6d 100644
--- a/drivers/oled/oled_driver.c
+++ b/drivers/oled/oled_driver.c
@@ -24,6 +24,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "progmem.h"
 
+#include "keyboard.h"
+
 // Used commands from spec sheet: https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf
 // for SH1106: https://www.velleman.eu/downloads/29/infosheets/sh1106_datasheet.pdf
 
@@ -152,6 +154,10 @@ static void InvertCharacter(uint8_t *cursor) {
 }
 
 bool oled_init(uint8_t rotation) {
+#if defined(USE_I2C) && defined(SPLIT_KEYBOARD)
+   if (!is_keyboard_master()) { return true; }
+#endif
+
     oled_rotation = oled_init_user(rotation);
     if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) {
         oled_rotation_width = OLED_DISPLAY_WIDTH;