174 	u8 buf[5];  in cp2112_gpio_direction_input()  local
177 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,  in cp2112_gpio_direction_input()
178 				       sizeof(buf), HID_FEATURE_REPORT,  in cp2112_gpio_direction_input()
180 	if (ret != sizeof(buf)) {  in cp2112_gpio_direction_input()
185 	buf[1] &= ~(1 << offset);  in cp2112_gpio_direction_input()
186 	buf[2] = gpio_push_pull;  in cp2112_gpio_direction_input()
188 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),  in cp2112_gpio_direction_input()
203 	u8 buf[3];  in cp2112_gpio_set()  local
206 	buf[0] = CP2112_GPIO_SET;  in cp2112_gpio_set()
207 	buf[1] = value ? 0xff : 0;  in cp2112_gpio_set()
208 	buf[2] = 1 << offset;  in cp2112_gpio_set()
210 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf, sizeof(buf),  in cp2112_gpio_set()
221 	u8 buf[2];  in cp2112_gpio_get()  local
224 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf, sizeof(buf),  in cp2112_gpio_get()
226 	if (ret != sizeof(buf)) {  in cp2112_gpio_get()
231 	return (buf[1] >> offset) & 1;  in cp2112_gpio_get()
240 	u8 buf[5];  in cp2112_gpio_direction_output()  local
243 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,  in cp2112_gpio_direction_output()
244 				       sizeof(buf), HID_FEATURE_REPORT,  in cp2112_gpio_direction_output()
246 	if (ret != sizeof(buf)) {  in cp2112_gpio_direction_output()
251 	buf[1] |= 1 << offset;  in cp2112_gpio_direction_output()
252 	buf[2] = gpio_push_pull;  in cp2112_gpio_direction_output()
254 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),  in cp2112_gpio_direction_output()
273 	u8 *buf;  in cp2112_hid_get()  local
276 	buf = kmalloc(count, GFP_KERNEL);  in cp2112_hid_get()
277 	if (!buf)  in cp2112_hid_get()
280 	ret = hid_hw_raw_request(hdev, report_number, buf, count,  in cp2112_hid_get()
282 	memcpy(data, buf, count);  in cp2112_hid_get()
283 	kfree(buf);  in cp2112_hid_get()
290 	u8 *buf;  in cp2112_hid_output()  local
293 	buf = kmemdup(data, count, GFP_KERNEL);  in cp2112_hid_output()
294 	if (!buf)  in cp2112_hid_output()
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()
303 	kfree(buf);  in cp2112_hid_output()
333 	u8 buf[2];  in cp2112_xfer_status()  local
336 	buf[0] = CP2112_TRANSFER_STATUS_REQUEST;  in cp2112_xfer_status()
337 	buf[1] = 0x01;  in cp2112_xfer_status()
340 	ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_xfer_status()
387 static int cp2112_read_req(void *buf, u8 slave_address, u16 length)  in cp2112_read_req()  argument
389 	struct cp2112_read_req_report *report = buf;  in cp2112_read_req()
400 static int cp2112_write_read_req(void *buf, u8 slave_address, u16 length,  in cp2112_write_read_req()  argument
403 	struct cp2112_write_read_req_report *report = buf;  in cp2112_write_read_req()
418 static int cp2112_write_req(void *buf, u8 slave_address, u8 command, u8 *data,  in cp2112_write_req()  argument
421 	struct cp2112_write_req_report *report = buf;  in cp2112_write_req()
434 static int cp2112_i2c_write_req(void *buf, u8 slave_address, u8 *data,  in cp2112_i2c_write_req()  argument
437 	struct cp2112_write_req_report *report = buf;  in cp2112_i2c_write_req()
454 	u8 buf[64];  in cp2112_i2c_xfer()  local
468 		count = cp2112_read_req(buf, msgs->addr, msgs->len);  in cp2112_i2c_xfer()
470 		count = cp2112_i2c_write_req(buf, msgs->addr, msgs->buf,  in cp2112_i2c_xfer()
482 	ret = cp2112_hid_output(hdev, buf, count, HID_OUTPUT_REPORT);  in cp2112_i2c_xfer()
499 		buf[0] = CP2112_CANCEL_TRANSFER;  in cp2112_i2c_xfer()
500 		buf[1] = 0x01;  in cp2112_i2c_xfer()
502 		ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_i2c_xfer()
514 	ret = cp2112_read(dev, msgs->buf, msgs->len);  in cp2112_i2c_xfer()
539 	u8 buf[64];  in cp2112_xfer()  local
555 			count = cp2112_read_req(buf, addr, read_length);  in cp2112_xfer()
557 			count = cp2112_write_req(buf, addr, command, NULL,  in cp2112_xfer()
564 			count = cp2112_write_read_req(buf, addr, read_length,  in cp2112_xfer()
567 			count = cp2112_write_req(buf, addr, command,  in cp2112_xfer()
575 			count = cp2112_write_read_req(buf, addr, read_length,  in cp2112_xfer()
578 			count = cp2112_write_req(buf, addr, command,  in cp2112_xfer()
587 		count = cp2112_write_read_req(buf, addr, read_length, command,  in cp2112_xfer()
595 			count = cp2112_write_read_req(buf, addr,  in cp2112_xfer()
599 			count = cp2112_write_req(buf, addr, command,  in cp2112_xfer()
608 		count = cp2112_write_read_req(buf, addr, I2C_SMBUS_BLOCK_MAX,  in cp2112_xfer()
626 	ret = cp2112_hid_output(hdev, buf, count, HID_OUTPUT_REPORT);  in cp2112_xfer()
643 		buf[0] = CP2112_CANCEL_TRANSFER;  in cp2112_xfer()
644 		buf[1] = 0x01;  in cp2112_xfer()
646 		ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_xfer()
663 	ret = cp2112_read(dev, buf, read_length);  in cp2112_xfer()
675 		data->byte = buf[0];  in cp2112_xfer()
678 		data->word = le16_to_cpup((__le16 *)buf);  in cp2112_xfer()
686 		memcpy(data->block, buf, read_length);  in cp2112_xfer()
755 			    struct device_attribute *attr, const char *buf, \
771 			   struct device_attribute *attr, char *buf) \
778 	return scnprintf(buf, PAGE_SIZE, format, ##__VA_ARGS__); \
785 	if (sscanf(buf, "%hi", &vid) != 1)
795 	if (sscanf(buf, "%hi", &pid) != 1)
805 	if (sscanf(buf, "%i", &mA) != 1)
813 	if (sscanf(buf, "%hhi", &cfg.power_mode) != 1)
820 	if (sscanf(buf, "%hhi.%hhi", &cfg.release_major, &cfg.release_minor)
835 			  struct device_attribute *kattr, const char *buf,  in pstr_store()  argument
846 	ret = utf8s_to_utf16s(buf, count, UTF16_LITTLE_ENDIAN,  in pstr_store()
867 			 struct device_attribute *kattr, char *buf)  in pstr_show()  argument
894 	ret = utf16s_to_utf8s(report.string, length, UTF16_LITTLE_ENDIAN, buf,  in pstr_show()
896 	buf[ret++] = '\n';  in pstr_show()
935 	u8 buf[2];  in chmod_sysfs_attrs()  local
938 	ret = cp2112_hid_get(hdev, CP2112_LOCK_BYTE, buf, sizeof(buf),  in chmod_sysfs_attrs()
940 	if (ret != sizeof(buf)) {  in chmod_sysfs_attrs()
946 		umode_t mode = (buf[1] & 1) ? S_IWUSR | S_IRUGO : S_IRUGO;  in chmod_sysfs_attrs()
951 		buf[1] >>= 1;  in chmod_sysfs_attrs()
958 	u8 buf[3];  in cp2112_probe()  local
986 	ret = cp2112_hid_get(hdev, CP2112_GET_VERSION_INFO, buf, sizeof(buf),  in cp2112_probe()
988 	if (ret != sizeof(buf)) {  in cp2112_probe()
996 		 buf[1], buf[2]);  in cp2112_probe()