60 		dev_printk(KERN_DEBUG, &(ihid)->client->dev, fmt, ##arg); \
130 	struct i2c_client	*client;	/* i2c client */  member
156 static int __i2c_hid_command(struct i2c_client *client,  in __i2c_hid_command()  argument
161 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in __i2c_hid_command()
189 	msg[0].addr = client->addr;  in __i2c_hid_command()
190 	msg[0].flags = client->flags & I2C_M_TEN;  in __i2c_hid_command()
194 		msg[1].addr = client->addr;  in __i2c_hid_command()
195 		msg[1].flags = client->flags & I2C_M_TEN;  in __i2c_hid_command()
206 	ret = i2c_transfer(client->adapter, msg, msg_num);  in __i2c_hid_command()
228 static int i2c_hid_command(struct i2c_client *client,  in i2c_hid_command()  argument
232 	return __i2c_hid_command(client, command, 0, 0, NULL, 0,  in i2c_hid_command()
236 static int i2c_hid_get_report(struct i2c_client *client, u8 reportType,  in i2c_hid_get_report()  argument
239 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_get_report()
255 	ret = __i2c_hid_command(client, &hid_get_report_cmd, reportID,  in i2c_hid_get_report()
258 		dev_err(&client->dev,  in i2c_hid_get_report()
275 static int i2c_hid_set_or_send_report(struct i2c_client *client, u8 reportType,  in i2c_hid_set_or_send_report()  argument
278 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_set_or_send_report()
331 	ret = __i2c_hid_command(client, hidcmd, reportID,  in i2c_hid_set_or_send_report()
334 		dev_err(&client->dev, "failed to set a report to device.\n");  in i2c_hid_set_or_send_report()
341 static int i2c_hid_set_power(struct i2c_client *client, int power_state)  in i2c_hid_set_power()  argument
343 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_set_power()
348 	ret = __i2c_hid_command(client, &hid_set_power_cmd, power_state,  in i2c_hid_set_power()
351 		dev_err(&client->dev, "failed to change power setting.\n");  in i2c_hid_set_power()
356 static int i2c_hid_hwreset(struct i2c_client *client)  in i2c_hid_hwreset()  argument
358 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_hwreset()
363 	ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);  in i2c_hid_hwreset()
369 	ret = i2c_hid_command(client, &hid_reset_cmd, NULL, 0);  in i2c_hid_hwreset()
371 		dev_err(&client->dev, "failed to reset device.\n");  in i2c_hid_hwreset()
372 		i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);  in i2c_hid_hwreset()
387 	ret = i2c_master_recv(ihid->client, ihid->inbuf, size);  in i2c_hid_get_input()
392 		dev_err(&ihid->client->dev, "%s: got %d data instead of %d\n",  in i2c_hid_get_input()
407 		dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n",  in i2c_hid_get_input()
443 	struct i2c_client *client = hid->driver_data;  in i2c_hid_init_report()  local
444 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_init_report()
448 	if (i2c_hid_get_report(client,  in i2c_hid_init_report()
458 		dev_err(&client->dev, "error in %s size:%d / ret_size:%d\n",  in i2c_hid_init_report()
475 	struct i2c_client *client = hid->driver_data;  in i2c_hid_init_reports()  local
476 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_init_reports()
480 		dev_err(&client->dev, "can not retrieve initial reports\n");  in i2c_hid_init_reports()
488 	pm_runtime_get_sync(&client->dev);  in i2c_hid_init_reports()
494 	pm_runtime_put(&client->dev);  in i2c_hid_init_reports()
558 	struct i2c_client *client = hid->driver_data;  in i2c_hid_get_raw_report()  local
559 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_get_raw_report()
569 	ret = i2c_hid_get_report(client,  in i2c_hid_get_raw_report()
593 	struct i2c_client *client = hid->driver_data;  in i2c_hid_output_raw_report()  local
605 	ret = i2c_hid_set_or_send_report(client,  in i2c_hid_output_raw_report()
640 	struct i2c_client *client = hid->driver_data;  in i2c_hid_parse()  local
641 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_parse()
657 		ret = i2c_hid_hwreset(client);  in i2c_hid_parse()
674 	ret = i2c_hid_command(client, &hid_report_descr_cmd, rdesc, rsize);  in i2c_hid_parse()
695 	struct i2c_client *client = hid->driver_data;  in i2c_hid_start()  local
696 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_start()
726 	struct i2c_client *client = hid->driver_data;  in i2c_hid_open()  local
727 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_open()
732 		ret = pm_runtime_get_sync(&client->dev);  in i2c_hid_open()
746 	struct i2c_client *client = hid->driver_data;  in i2c_hid_close()  local
747 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_close()
758 		pm_runtime_put(&client->dev);  in i2c_hid_close()
765 	struct i2c_client *client = hid->driver_data;  in i2c_hid_power()  local
766 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_power()
772 		pm_runtime_get_sync(&client->dev);  in i2c_hid_power()
775 		pm_runtime_put(&client->dev);  in i2c_hid_power()
792 static int i2c_hid_init_irq(struct i2c_client *client)  in i2c_hid_init_irq()  argument
794 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_init_irq()
797 	dev_dbg(&client->dev, "Requesting IRQ: %d\n", ihid->irq);  in i2c_hid_init_irq()
801 			client->name, ihid);  in i2c_hid_init_irq()
803 		dev_warn(&client->dev,  in i2c_hid_init_irq()
806 			client->name, ihid->irq, ret);  in i2c_hid_init_irq()
816 	struct i2c_client *client = ihid->client;  in i2c_hid_fetch_hid_descriptor()  local
823 	ret = i2c_hid_command(client, &hid_descr_cmd, ihid->hdesc_buffer,  in i2c_hid_fetch_hid_descriptor()
826 		dev_err(&client->dev, "hid_descr_cmd failed\n");  in i2c_hid_fetch_hid_descriptor()
835 		dev_err(&client->dev,  in i2c_hid_fetch_hid_descriptor()
844 		dev_err(&client->dev, "weird size of HID descriptor (%u)\n",  in i2c_hid_fetch_hid_descriptor()
861 static int i2c_hid_acpi_pdata(struct i2c_client *client,  in i2c_hid_acpi_pdata()  argument
873 	handle = ACPI_HANDLE(&client->dev);  in i2c_hid_acpi_pdata()
880 		dev_err(&client->dev, "device _DSM execution failed\n");  in i2c_hid_acpi_pdata()
899 static inline int i2c_hid_acpi_pdata(struct i2c_client *client,  in i2c_hid_acpi_pdata()  argument
907 static int i2c_hid_of_probe(struct i2c_client *client,  in i2c_hid_of_probe()  argument
910 	struct device *dev = &client->dev;  in i2c_hid_of_probe()
916 		dev_err(&client->dev, "HID register address not provided\n");  in i2c_hid_of_probe()
920 		dev_err(&client->dev, "Bad HID register address: 0x%08x\n",  in i2c_hid_of_probe()
935 static inline int i2c_hid_of_probe(struct i2c_client *client,  in i2c_hid_of_probe()  argument
942 static int i2c_hid_probe(struct i2c_client *client,  in i2c_hid_probe()  argument
949 	struct i2c_hid_platform_data *platform_data = client->dev.platform_data;  in i2c_hid_probe()
951 	dbg_hid("HID probe called for i2c 0x%02x\n", client->addr);  in i2c_hid_probe()
957 	if (client->dev.of_node) {  in i2c_hid_probe()
958 		ret = i2c_hid_of_probe(client, &ihid->pdata);  in i2c_hid_probe()
962 		ret = i2c_hid_acpi_pdata(client, &ihid->pdata);  in i2c_hid_probe()
964 			dev_err(&client->dev,  in i2c_hid_probe()
972 	if (client->irq > 0) {  in i2c_hid_probe()
973 		ihid->irq = client->irq;  in i2c_hid_probe()
974 	} else if (ACPI_COMPANION(&client->dev)) {  in i2c_hid_probe()
975 		ihid->desc = gpiod_get(&client->dev, NULL, GPIOD_IN);  in i2c_hid_probe()
977 			dev_err(&client->dev, "Failed to get GPIO interrupt\n");  in i2c_hid_probe()
984 			dev_err(&client->dev, "Failed to convert GPIO to IRQ\n");  in i2c_hid_probe()
989 	i2c_set_clientdata(client, ihid);  in i2c_hid_probe()
991 	ihid->client = client;  in i2c_hid_probe()
1005 	pm_runtime_get_noresume(&client->dev);  in i2c_hid_probe()
1006 	pm_runtime_set_active(&client->dev);  in i2c_hid_probe()
1007 	pm_runtime_enable(&client->dev);  in i2c_hid_probe()
1013 	ret = i2c_hid_init_irq(client);  in i2c_hid_probe()
1025 	hid->driver_data = client;  in i2c_hid_probe()
1027 	hid->dev.parent = &client->dev;  in i2c_hid_probe()
1034 		 client->name, hid->vendor, hid->product);  in i2c_hid_probe()
1035 	strlcpy(hid->phys, dev_name(&client->dev), sizeof(hid->phys));  in i2c_hid_probe()
1040 			hid_err(client, "can't add hid device: %d\n", ret);  in i2c_hid_probe()
1044 	pm_runtime_put(&client->dev);  in i2c_hid_probe()
1054 	pm_runtime_put_noidle(&client->dev);  in i2c_hid_probe()
1055 	pm_runtime_disable(&client->dev);  in i2c_hid_probe()
1066 static int i2c_hid_remove(struct i2c_client *client)  in i2c_hid_remove()  argument
1068 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_remove()
1071 	pm_runtime_get_sync(&client->dev);  in i2c_hid_remove()
1072 	pm_runtime_disable(&client->dev);  in i2c_hid_remove()
1073 	pm_runtime_set_suspended(&client->dev);  in i2c_hid_remove()
1074 	pm_runtime_put_noidle(&client->dev);  in i2c_hid_remove()
1089 	acpi_dev_remove_driver_gpios(ACPI_COMPANION(&client->dev));  in i2c_hid_remove()
1097 	struct i2c_client *client = to_i2c_client(dev);  in i2c_hid_suspend()  local
1098 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_suspend()
1107 	if (device_may_wakeup(&client->dev)) {  in i2c_hid_suspend()
1117 	i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);  in i2c_hid_suspend()
1125 	struct i2c_client *client = to_i2c_client(dev);  in i2c_hid_resume()  local
1126 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_resume()
1131 	ret = i2c_hid_hwreset(client);  in i2c_hid_resume()
1135 	if (device_may_wakeup(&client->dev) && ihid->irq_wake_enabled) {  in i2c_hid_resume()
1156 	struct i2c_client *client = to_i2c_client(dev);  in i2c_hid_runtime_suspend()  local
1157 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_runtime_suspend()
1159 	i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);  in i2c_hid_runtime_suspend()
1166 	struct i2c_client *client = to_i2c_client(dev);  in i2c_hid_runtime_resume()  local
1167 	struct i2c_hid *ihid = i2c_get_clientdata(client);  in i2c_hid_runtime_resume()
1170 	i2c_hid_set_power(client, I2C_HID_PWR_ON);  in i2c_hid_runtime_resume()