rpi_touchscreen_i2c_read  279 drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c 		if (rpi_touchscreen_i2c_read(ts, REG_PORTB) & 1)
rpi_touchscreen_i2c_read  382 drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c 	ver = rpi_touchscreen_i2c_read(ts, REG_ID);