155 	struct hid_device *hdev;  member
174 	struct hid_device *hdev = dev->hdev;  in cp2112_gpio_direction_input()  local
178 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,  in cp2112_gpio_direction_input()
182 		hid_err(hdev, "error requesting GPIO config: %d\n", ret);  in cp2112_gpio_direction_input()
189 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),  in cp2112_gpio_direction_input()
192 		hid_err(hdev, "error setting GPIO config: %d\n", ret);  in cp2112_gpio_direction_input()
203 	struct hid_device *hdev = dev->hdev;  in cp2112_gpio_set()  local
211 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf, sizeof(buf),  in cp2112_gpio_set()
214 		hid_err(hdev, "error setting GPIO values: %d\n", ret);  in cp2112_gpio_set()
221 	struct hid_device *hdev = dev->hdev;  in cp2112_gpio_get()  local
225 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf, sizeof(buf),  in cp2112_gpio_get()
228 		hid_err(hdev, "error requesting GPIO values: %d\n", ret);  in cp2112_gpio_get()
240 	struct hid_device *hdev = dev->hdev;  in cp2112_gpio_direction_output()  local
244 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,  in cp2112_gpio_direction_output()
248 		hid_err(hdev, "error requesting GPIO config: %d\n", ret);  in cp2112_gpio_direction_output()
255 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),  in cp2112_gpio_direction_output()
258 		hid_err(hdev, "error setting GPIO config: %d\n", ret);  in cp2112_gpio_direction_output()
271 static int cp2112_hid_get(struct hid_device *hdev, unsigned char report_number,  in cp2112_hid_get()  argument
281 	ret = hid_hw_raw_request(hdev, report_number, buf, count,  in cp2112_hid_get()
288 static int cp2112_hid_output(struct hid_device *hdev, u8 *data, size_t count,  in cp2112_hid_output()  argument
299 		ret = hid_hw_output_report(hdev, buf, count);  in cp2112_hid_output()
301 		ret = hid_hw_raw_request(hdev, buf[0], buf, count, report_type,  in cp2112_hid_output()
333 	struct hid_device *hdev = dev->hdev;  in cp2112_xfer_status()  local
341 	ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_xfer_status()
343 		hid_warn(hdev, "Error requesting status: %d\n", ret);  in cp2112_xfer_status()
356 	struct hid_device *hdev = dev->hdev;  in cp2112_read()  local
367 	ret = cp2112_hid_output(hdev, &report.report, sizeof(report),  in cp2112_read()
370 		hid_warn(hdev, "Error requesting data: %d\n", ret);  in cp2112_read()
378 	hid_dbg(hdev, "read %d of %zd bytes requested\n",  in cp2112_read()
472 	struct hid_device *hdev = dev->hdev;  in cp2112_i2c_xfer()  local
480 	hid_dbg(hdev, "I2C %d messages\n", num);  in cp2112_i2c_xfer()
484 			hid_dbg(hdev, "I2C read %#04x len %d\n",  in cp2112_i2c_xfer()
490 			hid_dbg(hdev, "I2C write %#04x len %d\n",  in cp2112_i2c_xfer()
501 		hid_dbg(hdev, "I2C write-read %#04x wlen %d rlen %d\n",  in cp2112_i2c_xfer()
510 		hid_err(hdev,  in cp2112_i2c_xfer()
515 	ret = hid_hw_power(hdev, PM_HINT_FULLON);  in cp2112_i2c_xfer()
517 		hid_err(hdev, "power management error: %d\n", ret);  in cp2112_i2c_xfer()
521 	ret = cp2112_hid_output(hdev, buf, count, HID_OUTPUT_REPORT);  in cp2112_i2c_xfer()
523 		hid_warn(hdev, "Error starting transaction: %d\n", ret);  in cp2112_i2c_xfer()
537 		hid_warn(hdev, "Transfer timed out, cancelling.\n");  in cp2112_i2c_xfer()
541 		ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_i2c_xfer()
543 			hid_warn(hdev, "Error cancelling transaction: %d\n",  in cp2112_i2c_xfer()
555 			hid_err(hdev, "read returned 0\n");  in cp2112_i2c_xfer()
569 			hid_err(hdev, "long read: %d > %zd\n",  in cp2112_i2c_xfer()
580 	hid_hw_power(hdev, PM_HINT_NORMAL);  in cp2112_i2c_xfer()
581 	hid_dbg(hdev, "I2C transfer finished: %d\n", ret);  in cp2112_i2c_xfer()
590 	struct hid_device *hdev = dev->hdev;  in cp2112_xfer()  local
598 	hid_dbg(hdev, "%s addr 0x%x flags 0x%x cmd 0x%x size %d\n",  in cp2112_xfer()
665 		hid_warn(hdev, "Unsupported transaction %d\n", size);  in cp2112_xfer()
672 	ret = hid_hw_power(hdev, PM_HINT_FULLON);  in cp2112_xfer()
674 		hid_err(hdev, "power management error: %d\n", ret);  in cp2112_xfer()
678 	ret = cp2112_hid_output(hdev, buf, count, HID_OUTPUT_REPORT);  in cp2112_xfer()
680 		hid_warn(hdev, "Error starting transaction: %d\n", ret);  in cp2112_xfer()
694 		hid_warn(hdev, "Transfer timed out, cancelling.\n");  in cp2112_xfer()
698 		ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_xfer()
700 			hid_warn(hdev, "Error cancelling transaction: %d\n",  in cp2112_xfer()
719 		hid_warn(hdev, "short read: %d < %zd\n", ret, read_length);  in cp2112_xfer()
744 	hid_hw_power(hdev, PM_HINT_NORMAL);  in cp2112_xfer()
745 	hid_dbg(hdev, "transfer finished: %d\n", ret);  in cp2112_xfer()
767 static int cp2112_get_usb_config(struct hid_device *hdev,  in cp2112_get_usb_config()  argument
772 	ret = cp2112_hid_get(hdev, CP2112_USB_CONFIG, (u8 *)cfg, sizeof(*cfg),  in cp2112_get_usb_config()
775 		hid_err(hdev, "error reading usb config: %d\n", ret);  in cp2112_get_usb_config()
784 static int cp2112_set_usb_config(struct hid_device *hdev,  in cp2112_set_usb_config()  argument
791 	ret = cp2112_hid_output(hdev, (u8 *)cfg, sizeof(*cfg),  in cp2112_set_usb_config()
794 		hid_err(hdev, "error writing usb config: %d\n", ret);  in cp2112_set_usb_config()
803 static void chmod_sysfs_attrs(struct hid_device *hdev);
810 	struct hid_device *hdev = container_of(kdev, struct hid_device, dev); \
812 	int ret = cp2112_get_usb_config(hdev, &cfg); \
816 	ret = cp2112_set_usb_config(hdev, &cfg); \
819 	chmod_sysfs_attrs(hdev); \
825 	struct hid_device *hdev = container_of(kdev, struct hid_device, dev); \
827 	int ret = cp2112_get_usb_config(hdev, &cfg); \
890 	struct hid_device *hdev = container_of(kdev, struct hid_device, dev);  in pstr_store()  local
904 	ret = cp2112_hid_output(hdev, &report.report, report.length + 1,  in pstr_store()
907 		hid_err(hdev, "error writing %s string: %d\n", kattr->attr.name,  in pstr_store()
914 	chmod_sysfs_attrs(hdev);  in pstr_store()
921 	struct hid_device *hdev = container_of(kdev, struct hid_device, dev);  in pstr_show()  local
928 	ret = cp2112_hid_get(hdev, attr->report, &report.report,  in pstr_show()
931 		hid_err(hdev, "error reading %s string: %d\n", kattr->attr.name,  in pstr_show()
939 		hid_err(hdev, "invalid %s string length: %d\n",  in pstr_show()
984 static void chmod_sysfs_attrs(struct hid_device *hdev)  in chmod_sysfs_attrs()  argument
990 	ret = cp2112_hid_get(hdev, CP2112_LOCK_BYTE, buf, sizeof(buf),  in chmod_sysfs_attrs()
993 		hid_err(hdev, "error reading lock byte: %d\n", ret);  in chmod_sysfs_attrs()
999 		ret = sysfs_chmod_file(&hdev->dev.kobj, *attr, mode);  in chmod_sysfs_attrs()
1001 			hid_err(hdev, "error chmoding sysfs file %s\n",  in chmod_sysfs_attrs()
1007 static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)  in cp2112_probe()  argument
1014 	ret = hid_parse(hdev);  in cp2112_probe()
1016 		hid_err(hdev, "parse failed\n");  in cp2112_probe()
1020 	ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);  in cp2112_probe()
1022 		hid_err(hdev, "hw start failed\n");  in cp2112_probe()
1026 	ret = hid_hw_open(hdev);  in cp2112_probe()
1028 		hid_err(hdev, "hw open failed\n");  in cp2112_probe()
1032 	ret = hid_hw_power(hdev, PM_HINT_FULLON);  in cp2112_probe()
1034 		hid_err(hdev, "power management error: %d\n", ret);  in cp2112_probe()
1038 	ret = cp2112_hid_get(hdev, CP2112_GET_VERSION_INFO, buf, sizeof(buf),  in cp2112_probe()
1041 		hid_err(hdev, "error requesting version\n");  in cp2112_probe()
1047 	hid_info(hdev, "Part Number: 0x%02X Device Version: 0x%02X\n",  in cp2112_probe()
1050 	ret = cp2112_hid_get(hdev, CP2112_SMBUS_CONFIG, (u8 *)&config,  in cp2112_probe()
1053 		hid_err(hdev, "error requesting SMBus config\n");  in cp2112_probe()
1061 	ret = cp2112_hid_output(hdev, (u8 *)&config, sizeof(config),  in cp2112_probe()
1064 		hid_err(hdev, "error setting SMBus config\n");  in cp2112_probe()
1076 	hid_set_drvdata(hdev, (void *)dev);  in cp2112_probe()
1077 	dev->hdev		= hdev;  in cp2112_probe()
1082 	dev->adap.dev.parent	= &hdev->dev;  in cp2112_probe()
1084 		 "CP2112 SMBus Bridge on hiddev%d", hdev->minor);  in cp2112_probe()
1088 	hid_device_io_start(hdev);  in cp2112_probe()
1090 	hid_device_io_stop(hdev);  in cp2112_probe()
1093 		hid_err(hdev, "error registering i2c adapter\n");  in cp2112_probe()
1097 	hid_dbg(hdev, "adapter registered\n");  in cp2112_probe()
1107 	dev->gc.dev			= &hdev->dev;  in cp2112_probe()
1111 		hid_err(hdev, "error registering gpio chip\n");  in cp2112_probe()
1115 	ret = sysfs_create_group(&hdev->dev.kobj, &cp2112_attr_group);  in cp2112_probe()
1117 		hid_err(hdev, "error creating sysfs attrs\n");  in cp2112_probe()
1121 	chmod_sysfs_attrs(hdev);  in cp2112_probe()
1122 	hid_hw_power(hdev, PM_HINT_NORMAL);  in cp2112_probe()
1133 	hid_hw_power(hdev, PM_HINT_NORMAL);  in cp2112_probe()
1135 	hid_hw_close(hdev);  in cp2112_probe()
1137 	hid_hw_stop(hdev);  in cp2112_probe()
1141 static void cp2112_remove(struct hid_device *hdev)  in cp2112_remove()  argument
1143 	struct cp2112_device *dev = hid_get_drvdata(hdev);  in cp2112_remove()
1145 	sysfs_remove_group(&hdev->dev.kobj, &cp2112_attr_group);  in cp2112_remove()
1154 	hid_hw_close(hdev);  in cp2112_remove()
1155 	hid_hw_stop(hdev);  in cp2112_remove()
1159 static int cp2112_raw_event(struct hid_device *hdev, struct hid_report *report,  in cp2112_raw_event()  argument
1162 	struct cp2112_device *dev = hid_get_drvdata(hdev);  in cp2112_raw_event()
1167 		hid_dbg(hdev, "xfer status: %02x %02x %04x %04x\n",  in cp2112_raw_event()
1200 		hid_dbg(hdev, "read response: %02x %02x\n", data[1], data[2]);  in cp2112_raw_event()
1210 		hid_err(hdev, "unknown report\n");  in cp2112_raw_event()