155 	struct hid_device *hdev;  member
173 	struct hid_device *hdev = dev->hdev;  in cp2112_gpio_direction_input()  local
177 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,  in cp2112_gpio_direction_input()
181 		hid_err(hdev, "error requesting GPIO config: %d\n", ret);  in cp2112_gpio_direction_input()
188 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),  in cp2112_gpio_direction_input()
191 		hid_err(hdev, "error setting GPIO config: %d\n", ret);  in cp2112_gpio_direction_input()
202 	struct hid_device *hdev = dev->hdev;  in cp2112_gpio_set()  local
210 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf, sizeof(buf),  in cp2112_gpio_set()
213 		hid_err(hdev, "error setting GPIO values: %d\n", ret);  in cp2112_gpio_set()
220 	struct hid_device *hdev = dev->hdev;  in cp2112_gpio_get()  local
224 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf, sizeof(buf),  in cp2112_gpio_get()
227 		hid_err(hdev, "error requesting GPIO values: %d\n", ret);  in cp2112_gpio_get()
239 	struct hid_device *hdev = dev->hdev;  in cp2112_gpio_direction_output()  local
243 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,  in cp2112_gpio_direction_output()
247 		hid_err(hdev, "error requesting GPIO config: %d\n", ret);  in cp2112_gpio_direction_output()
254 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),  in cp2112_gpio_direction_output()
257 		hid_err(hdev, "error setting GPIO config: %d\n", ret);  in cp2112_gpio_direction_output()
270 static int cp2112_hid_get(struct hid_device *hdev, unsigned char report_number,  in cp2112_hid_get()  argument
280 	ret = hid_hw_raw_request(hdev, report_number, buf, count,  in cp2112_hid_get()
287 static int cp2112_hid_output(struct hid_device *hdev, u8 *data, size_t count,  in cp2112_hid_output()  argument
298 		ret = hid_hw_output_report(hdev, buf, count);  in cp2112_hid_output()
300 		ret = hid_hw_raw_request(hdev, buf[0], buf, count, report_type,  in cp2112_hid_output()
332 	struct hid_device *hdev = dev->hdev;  in cp2112_xfer_status()  local
340 	ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_xfer_status()
342 		hid_warn(hdev, "Error requesting status: %d\n", ret);  in cp2112_xfer_status()
355 	struct hid_device *hdev = dev->hdev;  in cp2112_read()  local
366 	ret = cp2112_hid_output(hdev, &report.report, sizeof(report),  in cp2112_read()
369 		hid_warn(hdev, "Error requesting data: %d\n", ret);  in cp2112_read()
377 	hid_dbg(hdev, "read %d of %zd bytes requested\n",  in cp2112_read()
453 	struct hid_device *hdev = dev->hdev;  in cp2112_i2c_xfer()  local
459 	hid_dbg(hdev, "I2C %d messages\n", num);  in cp2112_i2c_xfer()
462 		hid_err(hdev,  in cp2112_i2c_xfer()
476 	ret = hid_hw_power(hdev, PM_HINT_FULLON);  in cp2112_i2c_xfer()
478 		hid_err(hdev, "power management error: %d\n", ret);  in cp2112_i2c_xfer()
482 	ret = cp2112_hid_output(hdev, buf, count, HID_OUTPUT_REPORT);  in cp2112_i2c_xfer()
484 		hid_warn(hdev, "Error starting transaction: %d\n", ret);  in cp2112_i2c_xfer()
498 		hid_warn(hdev, "Transfer timed out, cancelling.\n");  in cp2112_i2c_xfer()
502 		ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_i2c_xfer()
504 			hid_warn(hdev, "Error cancelling transaction: %d\n",  in cp2112_i2c_xfer()
518 		hid_warn(hdev, "short read: %d < %d\n", ret, msgs->len);  in cp2112_i2c_xfer()
528 	hid_hw_power(hdev, PM_HINT_NORMAL);  in cp2112_i2c_xfer()
529 	hid_dbg(hdev, "I2C transfer finished: %d\n", ret);  in cp2112_i2c_xfer()
538 	struct hid_device *hdev = dev->hdev;  in cp2112_xfer()  local
546 	hid_dbg(hdev, "%s addr 0x%x flags 0x%x cmd 0x%x size %d\n",  in cp2112_xfer()
613 		hid_warn(hdev, "Unsupported transaction %d\n", size);  in cp2112_xfer()
620 	ret = hid_hw_power(hdev, PM_HINT_FULLON);  in cp2112_xfer()
622 		hid_err(hdev, "power management error: %d\n", ret);  in cp2112_xfer()
626 	ret = cp2112_hid_output(hdev, buf, count, HID_OUTPUT_REPORT);  in cp2112_xfer()
628 		hid_warn(hdev, "Error starting transaction: %d\n", ret);  in cp2112_xfer()
642 		hid_warn(hdev, "Transfer timed out, cancelling.\n");  in cp2112_xfer()
646 		ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_xfer()
648 			hid_warn(hdev, "Error cancelling transaction: %d\n",  in cp2112_xfer()
667 		hid_warn(hdev, "short read: %d < %zd\n", ret, read_length);  in cp2112_xfer()
692 	hid_hw_power(hdev, PM_HINT_NORMAL);  in cp2112_xfer()
693 	hid_dbg(hdev, "transfer finished: %d\n", ret);  in cp2112_xfer()
715 static int cp2112_get_usb_config(struct hid_device *hdev,  in cp2112_get_usb_config()  argument
720 	ret = cp2112_hid_get(hdev, CP2112_USB_CONFIG, (u8 *)cfg, sizeof(*cfg),  in cp2112_get_usb_config()
723 		hid_err(hdev, "error reading usb config: %d\n", ret);  in cp2112_get_usb_config()
732 static int cp2112_set_usb_config(struct hid_device *hdev,  in cp2112_set_usb_config()  argument
739 	ret = cp2112_hid_output(hdev, (u8 *)cfg, sizeof(*cfg),  in cp2112_set_usb_config()
742 		hid_err(hdev, "error writing usb config: %d\n", ret);  in cp2112_set_usb_config()
751 static void chmod_sysfs_attrs(struct hid_device *hdev);
758 	struct hid_device *hdev = container_of(kdev, struct hid_device, dev); \
760 	int ret = cp2112_get_usb_config(hdev, &cfg); \
764 	ret = cp2112_set_usb_config(hdev, &cfg); \
767 	chmod_sysfs_attrs(hdev); \
773 	struct hid_device *hdev = container_of(kdev, struct hid_device, dev); \
775 	int ret = cp2112_get_usb_config(hdev, &cfg); \
838 	struct hid_device *hdev = container_of(kdev, struct hid_device, dev);  in pstr_store()  local
852 	ret = cp2112_hid_output(hdev, &report.report, report.length + 1,  in pstr_store()
855 		hid_err(hdev, "error writing %s string: %d\n", kattr->attr.name,  in pstr_store()
862 	chmod_sysfs_attrs(hdev);  in pstr_store()
869 	struct hid_device *hdev = container_of(kdev, struct hid_device, dev);  in pstr_show()  local
876 	ret = cp2112_hid_get(hdev, attr->report, &report.report,  in pstr_show()
879 		hid_err(hdev, "error reading %s string: %d\n", kattr->attr.name,  in pstr_show()
887 		hid_err(hdev, "invalid %s string length: %d\n",  in pstr_show()
932 static void chmod_sysfs_attrs(struct hid_device *hdev)  in chmod_sysfs_attrs()  argument
938 	ret = cp2112_hid_get(hdev, CP2112_LOCK_BYTE, buf, sizeof(buf),  in chmod_sysfs_attrs()
941 		hid_err(hdev, "error reading lock byte: %d\n", ret);  in chmod_sysfs_attrs()
947 		ret = sysfs_chmod_file(&hdev->dev.kobj, *attr, mode);  in chmod_sysfs_attrs()
949 			hid_err(hdev, "error chmoding sysfs file %s\n",  in chmod_sysfs_attrs()
955 static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)  in cp2112_probe()  argument
962 	ret = hid_parse(hdev);  in cp2112_probe()
964 		hid_err(hdev, "parse failed\n");  in cp2112_probe()
968 	ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);  in cp2112_probe()
970 		hid_err(hdev, "hw start failed\n");  in cp2112_probe()
974 	ret = hid_hw_open(hdev);  in cp2112_probe()
976 		hid_err(hdev, "hw open failed\n");  in cp2112_probe()
980 	ret = hid_hw_power(hdev, PM_HINT_FULLON);  in cp2112_probe()
982 		hid_err(hdev, "power management error: %d\n", ret);  in cp2112_probe()
986 	ret = cp2112_hid_get(hdev, CP2112_GET_VERSION_INFO, buf, sizeof(buf),  in cp2112_probe()
989 		hid_err(hdev, "error requesting version\n");  in cp2112_probe()
995 	hid_info(hdev, "Part Number: 0x%02X Device Version: 0x%02X\n",  in cp2112_probe()
998 	ret = cp2112_hid_get(hdev, CP2112_SMBUS_CONFIG, (u8 *)&config,  in cp2112_probe()
1001 		hid_err(hdev, "error requesting SMBus config\n");  in cp2112_probe()
1009 	ret = cp2112_hid_output(hdev, (u8 *)&config, sizeof(config),  in cp2112_probe()
1012 		hid_err(hdev, "error setting SMBus config\n");  in cp2112_probe()
1024 	hid_set_drvdata(hdev, (void *)dev);  in cp2112_probe()
1025 	dev->hdev		= hdev;  in cp2112_probe()
1030 	dev->adap.dev.parent	= &hdev->dev;  in cp2112_probe()
1032 		 "CP2112 SMBus Bridge on hiddev%d", hdev->minor);  in cp2112_probe()
1035 	hid_device_io_start(hdev);  in cp2112_probe()
1037 	hid_device_io_stop(hdev);  in cp2112_probe()
1040 		hid_err(hdev, "error registering i2c adapter\n");  in cp2112_probe()
1044 	hid_dbg(hdev, "adapter registered\n");  in cp2112_probe()
1054 	dev->gc.dev			= &hdev->dev;  in cp2112_probe()
1058 		hid_err(hdev, "error registering gpio chip\n");  in cp2112_probe()
1062 	ret = sysfs_create_group(&hdev->dev.kobj, &cp2112_attr_group);  in cp2112_probe()
1064 		hid_err(hdev, "error creating sysfs attrs\n");  in cp2112_probe()
1068 	chmod_sysfs_attrs(hdev);  in cp2112_probe()
1069 	hid_hw_power(hdev, PM_HINT_NORMAL);  in cp2112_probe()
1080 	hid_hw_power(hdev, PM_HINT_NORMAL);  in cp2112_probe()
1082 	hid_hw_close(hdev);  in cp2112_probe()
1084 	hid_hw_stop(hdev);  in cp2112_probe()
1088 static void cp2112_remove(struct hid_device *hdev)  in cp2112_remove()  argument
1090 	struct cp2112_device *dev = hid_get_drvdata(hdev);  in cp2112_remove()
1092 	sysfs_remove_group(&hdev->dev.kobj, &cp2112_attr_group);  in cp2112_remove()
1101 	hid_hw_close(hdev);  in cp2112_remove()
1102 	hid_hw_stop(hdev);  in cp2112_remove()
1106 static int cp2112_raw_event(struct hid_device *hdev, struct hid_report *report,  in cp2112_raw_event()  argument
1109 	struct cp2112_device *dev = hid_get_drvdata(hdev);  in cp2112_raw_event()
1114 		hid_dbg(hdev, "xfer status: %02x %02x %04x %04x\n",  in cp2112_raw_event()
1147 		hid_dbg(hdev, "read response: %02x %02x\n", data[1], data[2]);  in cp2112_raw_event()
1157 		hid_err(hdev, "unknown report\n");  in cp2112_raw_event()