60 	struct i2c_client	*client;  member
88 	struct i2c_client *client = mpr121->client;  in mpr_touchkey_interrupt()  local
93 	reg = i2c_smbus_read_byte_data(client, ELE_TOUCH_STATUS_1_ADDR);  in mpr_touchkey_interrupt()
95 		dev_err(&client->dev, "i2c read error [%d]\n", reg);  in mpr_touchkey_interrupt()
100 	reg |= i2c_smbus_read_byte_data(client, ELE_TOUCH_STATUS_0_ADDR);  in mpr_touchkey_interrupt()
102 		dev_err(&client->dev, "i2c read error [%d]\n", reg);  in mpr_touchkey_interrupt()
118 	dev_dbg(&client->dev, "key %d %d %s\n", key_num, key_val,  in mpr_touchkey_interrupt()
127 				      struct i2c_client *client)  in mpr121_phys_init()  argument
136 		ret = i2c_smbus_write_byte_data(client, t, TOUCH_THRESHOLD);  in mpr121_phys_init()
139 		ret = i2c_smbus_write_byte_data(client, t + 1,  in mpr121_phys_init()
148 		ret = i2c_smbus_write_byte_data(client, reg->addr, reg->val);  in mpr121_phys_init()
163 	ret = i2c_smbus_write_byte_data(client, AUTO_CONFIG_USL_ADDR, usl);  in mpr121_phys_init()
164 	ret |= i2c_smbus_write_byte_data(client, AUTO_CONFIG_LSL_ADDR, lsl);  in mpr121_phys_init()
165 	ret |= i2c_smbus_write_byte_data(client, AUTO_CONFIG_TL_ADDR, tl);  in mpr121_phys_init()
173 	ret |= i2c_smbus_write_byte_data(client, ELECTRODE_CONF_ADDR,  in mpr121_phys_init()
178 	dev_dbg(&client->dev, "set up with %x keys.\n", mpr121->keycount);  in mpr121_phys_init()
183 	dev_err(&client->dev, "i2c write error: %d\n", ret);  in mpr121_phys_init()
187 static int mpr_touchkey_probe(struct i2c_client *client,  in mpr_touchkey_probe()  argument
191 			dev_get_platdata(&client->dev);  in mpr_touchkey_probe()
198 		dev_err(&client->dev, "no platform data defined\n");  in mpr_touchkey_probe()
203 		dev_err(&client->dev, "missing keymap data\n");  in mpr_touchkey_probe()
208 		dev_err(&client->dev, "too many keys defined\n");  in mpr_touchkey_probe()
212 	if (!client->irq) {  in mpr_touchkey_probe()
213 		dev_err(&client->dev, "irq number should not be zero\n");  in mpr_touchkey_probe()
217 	mpr121 = devm_kzalloc(&client->dev, sizeof(*mpr121),  in mpr_touchkey_probe()
222 	input_dev = devm_input_allocate_device(&client->dev);  in mpr_touchkey_probe()
226 	mpr121->client = client;  in mpr_touchkey_probe()
232 	input_dev->dev.parent = &client->dev;  in mpr_touchkey_probe()
244 	error = mpr121_phys_init(pdata, mpr121, client);  in mpr_touchkey_probe()
246 		dev_err(&client->dev, "Failed to init register\n");  in mpr_touchkey_probe()
250 	error = devm_request_threaded_irq(&client->dev, client->irq, NULL,  in mpr_touchkey_probe()
253 				     client->dev.driver->name, mpr121);  in mpr_touchkey_probe()
255 		dev_err(&client->dev, "Failed to register interrupt\n");  in mpr_touchkey_probe()
263 	i2c_set_clientdata(client, mpr121);  in mpr_touchkey_probe()
264 	device_init_wakeup(&client->dev, pdata->wakeup);  in mpr_touchkey_probe()
272 	struct i2c_client *client = to_i2c_client(dev);  in mpr_suspend()  local
274 	if (device_may_wakeup(&client->dev))  in mpr_suspend()
275 		enable_irq_wake(client->irq);  in mpr_suspend()
277 	i2c_smbus_write_byte_data(client, ELECTRODE_CONF_ADDR, 0x00);  in mpr_suspend()
284 	struct i2c_client *client = to_i2c_client(dev);  in mpr_resume()  local
285 	struct mpr121_touchkey *mpr121 = i2c_get_clientdata(client);  in mpr_resume()
287 	if (device_may_wakeup(&client->dev))  in mpr_resume()
288 		disable_irq_wake(client->irq);  in mpr_resume()
290 	i2c_smbus_write_byte_data(client, ELECTRODE_CONF_ADDR,  in mpr_resume()