CONTROL_ES0 265 drivers/sbus/char/envctrl.c writeb(CONTROL_ES0, i2c + PCF8584_CSR); /* Send neg ack. */ CONTROL_ES0 1063 drivers/sbus/char/envctrl.c writeb(CONTROL_PIN | CONTROL_ES0 | CONTROL_ACK, i2c + PCF8584_CSR);