i2c_trylock_bus 42 drivers/i2c/i2c-core.h ret = i2c_trylock_bus(adap, I2C_LOCK_SEGMENT) ? 0 : -EAGAIN; i2c_trylock_bus 163 drivers/i2c/i2c-mux.c if (i2c_trylock_bus(parent, flags)) i2c_trylock_bus 197 drivers/i2c/i2c-mux.c if (i2c_trylock_bus(parent, flags))