ack_expected 114 drivers/i2c/busses/i2c-mt7621.c u32 ack_expected = (expected << 16) & SM0CTL1_ACK_MASK; ack_expected 116 drivers/i2c/busses/i2c-mt7621.c return ((ack & ack_expected) == ack_expected) ? 0 : -ENXIO;