65 	mutex_init(&spec->i2c_mux);  in cs8409_alloc_spec()
95 	mutex_lock(&spec->i2c_mux);  in cs8409_disable_i2c_clock()
101 	mutex_unlock(&spec->i2c_mux);  in cs8409_disable_i2c_clock()
207 	mutex_lock(&spec->i2c_mux);  in cs8409_i2c_read()
222 	mutex_unlock(&spec->i2c_mux);  in cs8409_i2c_read()
227 	mutex_unlock(&spec->i2c_mux);  in cs8409_i2c_read()
250 	mutex_lock(&spec->i2c_mux);  in cs8409_i2c_bulk_read()
267 	mutex_unlock(&spec->i2c_mux);  in cs8409_i2c_bulk_read()
272 	mutex_unlock(&spec->i2c_mux);  in cs8409_i2c_bulk_read()
294 	mutex_lock(&spec->i2c_mux);  in cs8409_i2c_write()
308 	mutex_unlock(&spec->i2c_mux);  in cs8409_i2c_write()
312 	mutex_unlock(&spec->i2c_mux);  in cs8409_i2c_write()
336 	mutex_lock(&spec->i2c_mux);  in cs8409_i2c_bulk_write()
351 	mutex_unlock(&spec->i2c_mux);  in cs8409_i2c_bulk_write()
356 	mutex_unlock(&spec->i2c_mux);  in cs8409_i2c_bulk_write()