60 		dev_printk(KERN_DEBUG, &(ihid)->client->dev, fmt, ##arg); \
130 	struct i2c_client	*client;	/* i2c client */  member
154 static int __i2c_hid_command(struct i2c_client *client,  in __i2c_hid_command()  argument
159 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in __i2c_hid_command()
187 	msg[0].addr = client->addr;  in __i2c_hid_command()
188 	msg[0].flags = client->flags & I2C_M_TEN;  in __i2c_hid_command()
192 		msg[1].addr = client->addr;  in __i2c_hid_command()
193 		msg[1].flags = client->flags & I2C_M_TEN;  in __i2c_hid_command()
204 	ret = i2c_transfer(client->adapter, msg, msg_num);  in __i2c_hid_command()
226 static int i2c_hid_command(struct i2c_client *client,  in i2c_hid_command()  argument
230 	return __i2c_hid_command(client, command, 0, 0, NULL, 0,  in i2c_hid_command()
234 static int i2c_hid_get_report(struct i2c_client *client, u8 reportType,  in i2c_hid_get_report()  argument
237 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_get_report()
253 	ret = __i2c_hid_command(client, &hid_get_report_cmd, reportID,  in i2c_hid_get_report()
256 		dev_err(&client->dev,  in i2c_hid_get_report()
273 static int i2c_hid_set_or_send_report(struct i2c_client *client, u8 reportType,  in i2c_hid_set_or_send_report()  argument
276 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_set_or_send_report()
329 	ret = __i2c_hid_command(client, hidcmd, reportID,  in i2c_hid_set_or_send_report()
332 		dev_err(&client->dev, "failed to set a report to device.\n");  in i2c_hid_set_or_send_report()
339 static int i2c_hid_set_power(struct i2c_client *client, int power_state)  in i2c_hid_set_power()  argument
341 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_set_power()
346 	ret = __i2c_hid_command(client, &hid_set_power_cmd, power_state,  in i2c_hid_set_power()
349 		dev_err(&client->dev, "failed to change power setting.\n");  in i2c_hid_set_power()
354 static int i2c_hid_hwreset(struct i2c_client *client)  in i2c_hid_hwreset()  argument
356 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_hwreset()
361 	ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);  in i2c_hid_hwreset()
367 	ret = i2c_hid_command(client, &hid_reset_cmd, NULL, 0);  in i2c_hid_hwreset()
369 		dev_err(&client->dev, "failed to reset device.\n");  in i2c_hid_hwreset()
370 		i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);  in i2c_hid_hwreset()
385 	ret = i2c_master_recv(ihid->client, ihid->inbuf, size);  in i2c_hid_get_input()
390 		dev_err(&ihid->client->dev, "%s: got %d data instead of %d\n",  in i2c_hid_get_input()
405 		dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n",  in i2c_hid_get_input()
441 	struct i2c_client *client = hid->driver_data;  in i2c_hid_init_report()  local
442 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_init_report()
446 	if (i2c_hid_get_report(client,  in i2c_hid_init_report()
456 		dev_err(&client->dev, "error in %s size:%d / ret_size:%d\n",  in i2c_hid_init_report()
473 	struct i2c_client *client = hid->driver_data;  in i2c_hid_init_reports()  local
474 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_init_reports()
478 		dev_err(&client->dev, "can not retrieve initial reports\n");  in i2c_hid_init_reports()
486 	pm_runtime_get_sync(&client->dev);  in i2c_hid_init_reports()
492 	pm_runtime_put(&client->dev);  in i2c_hid_init_reports()
556 	struct i2c_client *client = hid->driver_data;  in i2c_hid_get_raw_report()  local
557 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_get_raw_report()
567 	ret = i2c_hid_get_report(client,  in i2c_hid_get_raw_report()
591 	struct i2c_client *client = hid->driver_data;  in i2c_hid_output_raw_report()  local
603 	ret = i2c_hid_set_or_send_report(client,  in i2c_hid_output_raw_report()
638 	struct i2c_client *client = hid->driver_data;  in i2c_hid_parse()  local
639 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_parse()
655 		ret = i2c_hid_hwreset(client);  in i2c_hid_parse()
672 	ret = i2c_hid_command(client, &hid_report_descr_cmd, rdesc, rsize);  in i2c_hid_parse()
693 	struct i2c_client *client = hid->driver_data;  in i2c_hid_start()  local
694 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_start()
724 	struct i2c_client *client = hid->driver_data;  in i2c_hid_open()  local
725 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_open()
730 		ret = pm_runtime_get_sync(&client->dev);  in i2c_hid_open()
744 	struct i2c_client *client = hid->driver_data;  in i2c_hid_close()  local
745 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_close()
756 		pm_runtime_put(&client->dev);  in i2c_hid_close()
763 	struct i2c_client *client = hid->driver_data;  in i2c_hid_power()  local
764 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_power()
770 		pm_runtime_get_sync(&client->dev);  in i2c_hid_power()
773 		pm_runtime_put(&client->dev);  in i2c_hid_power()
790 static int i2c_hid_init_irq(struct i2c_client *client)  in i2c_hid_init_irq()  argument
792 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_init_irq()
795 	dev_dbg(&client->dev, "Requesting IRQ: %d\n", ihid->irq);  in i2c_hid_init_irq()
799 			client->name, ihid);  in i2c_hid_init_irq()
801 		dev_warn(&client->dev,  in i2c_hid_init_irq()
804 			client->name, ihid->irq, ret);  in i2c_hid_init_irq()
814 	struct i2c_client *client = ihid->client;  in i2c_hid_fetch_hid_descriptor()  local
821 	ret = i2c_hid_command(client, &hid_descr_cmd, ihid->hdesc_buffer,  in i2c_hid_fetch_hid_descriptor()
824 		dev_err(&client->dev, "hid_descr_cmd failed\n");  in i2c_hid_fetch_hid_descriptor()
833 		dev_err(&client->dev,  in i2c_hid_fetch_hid_descriptor()
842 		dev_err(&client->dev, "weird size of HID descriptor (%u)\n",  in i2c_hid_fetch_hid_descriptor()
859 static int i2c_hid_acpi_pdata(struct i2c_client *client,  in i2c_hid_acpi_pdata()  argument
871 	handle = ACPI_HANDLE(&client->dev);  in i2c_hid_acpi_pdata()
878 		dev_err(&client->dev, "device _DSM execution failed\n");  in i2c_hid_acpi_pdata()
897 static inline int i2c_hid_acpi_pdata(struct i2c_client *client,  in i2c_hid_acpi_pdata()  argument
905 static int i2c_hid_of_probe(struct i2c_client *client,  in i2c_hid_of_probe()  argument
908 	struct device *dev = &client->dev;  in i2c_hid_of_probe()
914 		dev_err(&client->dev, "HID register address not provided\n");  in i2c_hid_of_probe()
918 		dev_err(&client->dev, "Bad HID register address: 0x%08x\n",  in i2c_hid_of_probe()
933 static inline int i2c_hid_of_probe(struct i2c_client *client,  in i2c_hid_of_probe()  argument
940 static int i2c_hid_probe(struct i2c_client *client,  in i2c_hid_probe()  argument
947 	struct i2c_hid_platform_data *platform_data = client->dev.platform_data;  in i2c_hid_probe()
949 	dbg_hid("HID probe called for i2c 0x%02x\n", client->addr);  in i2c_hid_probe()
955 	if (client->dev.of_node) {  in i2c_hid_probe()
956 		ret = i2c_hid_of_probe(client, &ihid->pdata);  in i2c_hid_probe()
960 		ret = i2c_hid_acpi_pdata(client, &ihid->pdata);  in i2c_hid_probe()
962 			dev_err(&client->dev,  in i2c_hid_probe()
970 	if (client->irq > 0) {  in i2c_hid_probe()
971 		ihid->irq = client->irq;  in i2c_hid_probe()
972 	} else if (ACPI_COMPANION(&client->dev)) {  in i2c_hid_probe()
973 		ihid->desc = gpiod_get(&client->dev, NULL, GPIOD_IN);  in i2c_hid_probe()
975 			dev_err(&client->dev, "Failed to get GPIO interrupt\n");  in i2c_hid_probe()
982 			dev_err(&client->dev, "Failed to convert GPIO to IRQ\n");  in i2c_hid_probe()
987 	i2c_set_clientdata(client, ihid);  in i2c_hid_probe()
989 	ihid->client = client;  in i2c_hid_probe()
1003 	pm_runtime_get_noresume(&client->dev);  in i2c_hid_probe()
1004 	pm_runtime_set_active(&client->dev);  in i2c_hid_probe()
1005 	pm_runtime_enable(&client->dev);  in i2c_hid_probe()
1011 	ret = i2c_hid_init_irq(client);  in i2c_hid_probe()
1023 	hid->driver_data = client;  in i2c_hid_probe()
1025 	hid->dev.parent = &client->dev;  in i2c_hid_probe()
1026 	ACPI_COMPANION_SET(&hid->dev, ACPI_COMPANION(&client->dev));  in i2c_hid_probe()
1033 		 client->name, hid->vendor, hid->product);  in i2c_hid_probe()
1038 			hid_err(client, "can't add hid device: %d\n", ret);  in i2c_hid_probe()
1042 	pm_runtime_put(&client->dev);  in i2c_hid_probe()
1052 	pm_runtime_put_noidle(&client->dev);  in i2c_hid_probe()
1053 	pm_runtime_disable(&client->dev);  in i2c_hid_probe()
1064 static int i2c_hid_remove(struct i2c_client *client)  in i2c_hid_remove()  argument
1066 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_remove()
1069 	pm_runtime_get_sync(&client->dev);  in i2c_hid_remove()
1070 	pm_runtime_disable(&client->dev);  in i2c_hid_remove()
1071 	pm_runtime_set_suspended(&client->dev);  in i2c_hid_remove()
1072 	pm_runtime_put_noidle(&client->dev);  in i2c_hid_remove()
1087 	acpi_dev_remove_driver_gpios(ACPI_COMPANION(&client->dev));  in i2c_hid_remove()
1095 	struct i2c_client *client = to_i2c_client(dev);  in i2c_hid_suspend()  local
1096 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_suspend()
1101 	if (device_may_wakeup(&client->dev))  in i2c_hid_suspend()
1108 	i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);  in i2c_hid_suspend()
1116 	struct i2c_client *client = to_i2c_client(dev);  in i2c_hid_resume()  local
1117 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_resume()
1121 	ret = i2c_hid_hwreset(client);  in i2c_hid_resume()
1125 	if (device_may_wakeup(&client->dev))  in i2c_hid_resume()
1140 	struct i2c_client *client = to_i2c_client(dev);  in i2c_hid_runtime_suspend()  local
1141 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_runtime_suspend()
1143 	i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);  in i2c_hid_runtime_suspend()
1150 	struct i2c_client *client = to_i2c_client(dev);  in i2c_hid_runtime_resume()  local
1151 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_runtime_resume()
1154 	i2c_hid_set_power(client, I2C_HID_PWR_ON);  in i2c_hid_runtime_resume()