175 	u8 buf[5];  in cp2112_gpio_direction_input()  local
178 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,  in cp2112_gpio_direction_input()
179 				       sizeof(buf), HID_FEATURE_REPORT,  in cp2112_gpio_direction_input()
181 	if (ret != sizeof(buf)) {  in cp2112_gpio_direction_input()
186 	buf[1] &= ~(1 << offset);  in cp2112_gpio_direction_input()
187 	buf[2] = gpio_push_pull;  in cp2112_gpio_direction_input()
189 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),  in cp2112_gpio_direction_input()
204 	u8 buf[3];  in cp2112_gpio_set()  local
207 	buf[0] = CP2112_GPIO_SET;  in cp2112_gpio_set()
208 	buf[1] = value ? 0xff : 0;  in cp2112_gpio_set()
209 	buf[2] = 1 << offset;  in cp2112_gpio_set()
211 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf, sizeof(buf),  in cp2112_gpio_set()
222 	u8 buf[2];  in cp2112_gpio_get()  local
225 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf, sizeof(buf),  in cp2112_gpio_get()
227 	if (ret != sizeof(buf)) {  in cp2112_gpio_get()
232 	return (buf[1] >> offset) & 1;  in cp2112_gpio_get()
241 	u8 buf[5];  in cp2112_gpio_direction_output()  local
244 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,  in cp2112_gpio_direction_output()
245 				       sizeof(buf), HID_FEATURE_REPORT,  in cp2112_gpio_direction_output()
247 	if (ret != sizeof(buf)) {  in cp2112_gpio_direction_output()
252 	buf[1] |= 1 << offset;  in cp2112_gpio_direction_output()
253 	buf[2] = gpio_push_pull;  in cp2112_gpio_direction_output()
255 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),  in cp2112_gpio_direction_output()
274 	u8 *buf;  in cp2112_hid_get()  local
277 	buf = kmalloc(count, GFP_KERNEL);  in cp2112_hid_get()
278 	if (!buf)  in cp2112_hid_get()
281 	ret = hid_hw_raw_request(hdev, report_number, buf, count,  in cp2112_hid_get()
283 	memcpy(data, buf, count);  in cp2112_hid_get()
284 	kfree(buf);  in cp2112_hid_get()
291 	u8 *buf;  in cp2112_hid_output()  local
294 	buf = kmemdup(data, count, GFP_KERNEL);  in cp2112_hid_output()
295 	if (!buf)  in cp2112_hid_output()
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()
304 	kfree(buf);  in cp2112_hid_output()
334 	u8 buf[2];  in cp2112_xfer_status()  local
337 	buf[0] = CP2112_TRANSFER_STATUS_REQUEST;  in cp2112_xfer_status()
338 	buf[1] = 0x01;  in cp2112_xfer_status()
341 	ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_xfer_status()
388 static int cp2112_read_req(void *buf, u8 slave_address, u16 length)  in cp2112_read_req()  argument
390 	struct cp2112_read_req_report *report = buf;  in cp2112_read_req()
401 static int cp2112_write_read_req(void *buf, u8 slave_address, u16 length,  in cp2112_write_read_req()  argument
404 	struct cp2112_write_read_req_report *report = buf;  in cp2112_write_read_req()
419 static int cp2112_write_req(void *buf, u8 slave_address, u8 command, u8 *data,  in cp2112_write_req()  argument
422 	struct cp2112_write_req_report *report = buf;  in cp2112_write_req()
435 static int cp2112_i2c_write_req(void *buf, u8 slave_address, u8 *data,  in cp2112_i2c_write_req()  argument
438 	struct cp2112_write_req_report *report = buf;  in cp2112_i2c_write_req()
450 static int cp2112_i2c_write_read_req(void *buf, u8 slave_address,  in cp2112_i2c_write_read_req()  argument
454 	struct cp2112_write_read_req_report *report = buf;  in cp2112_i2c_write_read_req()
473 	u8 buf[64];  in cp2112_i2c_xfer()  local
487 			read_buf = msgs->buf;  in cp2112_i2c_xfer()
488 			count = cp2112_read_req(buf, msgs->addr, msgs->len);  in cp2112_i2c_xfer()
492 			count = cp2112_i2c_write_req(buf, msgs->addr,  in cp2112_i2c_xfer()
493 						     msgs->buf, msgs->len);  in cp2112_i2c_xfer()
504 		read_buf = msgs[1].buf;  in cp2112_i2c_xfer()
505 		count = cp2112_i2c_write_read_req(buf, msgs[0].addr,  in cp2112_i2c_xfer()
506 				msgs[0].buf, msgs[0].len, msgs[1].len);  in cp2112_i2c_xfer()
521 	ret = cp2112_hid_output(hdev, buf, count, HID_OUTPUT_REPORT);  in cp2112_i2c_xfer()
538 		buf[0] = CP2112_CANCEL_TRANSFER;  in cp2112_i2c_xfer()
539 		buf[1] = 0x01;  in cp2112_i2c_xfer()
541 		ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_i2c_xfer()
591 	u8 buf[64];  in cp2112_xfer()  local
607 			count = cp2112_read_req(buf, addr, read_length);  in cp2112_xfer()
609 			count = cp2112_write_req(buf, addr, command, NULL,  in cp2112_xfer()
616 			count = cp2112_write_read_req(buf, addr, read_length,  in cp2112_xfer()
619 			count = cp2112_write_req(buf, addr, command,  in cp2112_xfer()
627 			count = cp2112_write_read_req(buf, addr, read_length,  in cp2112_xfer()
630 			count = cp2112_write_req(buf, addr, command,  in cp2112_xfer()
639 		count = cp2112_write_read_req(buf, addr, read_length, command,  in cp2112_xfer()
647 			count = cp2112_write_read_req(buf, addr,  in cp2112_xfer()
651 			count = cp2112_write_req(buf, addr, command,  in cp2112_xfer()
660 		count = cp2112_write_read_req(buf, addr, I2C_SMBUS_BLOCK_MAX,  in cp2112_xfer()
678 	ret = cp2112_hid_output(hdev, buf, count, HID_OUTPUT_REPORT);  in cp2112_xfer()
695 		buf[0] = CP2112_CANCEL_TRANSFER;  in cp2112_xfer()
696 		buf[1] = 0x01;  in cp2112_xfer()
698 		ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);  in cp2112_xfer()
715 	ret = cp2112_read(dev, buf, read_length);  in cp2112_xfer()
727 		data->byte = buf[0];  in cp2112_xfer()
730 		data->word = le16_to_cpup((__le16 *)buf);  in cp2112_xfer()
738 		memcpy(data->block, buf, read_length);  in cp2112_xfer()
807 			    struct device_attribute *attr, const char *buf, \
823 			   struct device_attribute *attr, char *buf) \
830 	return scnprintf(buf, PAGE_SIZE, format, ##__VA_ARGS__); \
837 	if (sscanf(buf, "%hi", &vid) != 1)
847 	if (sscanf(buf, "%hi", &pid) != 1)
857 	if (sscanf(buf, "%i", &mA) != 1)
865 	if (sscanf(buf, "%hhi", &cfg.power_mode) != 1)
872 	if (sscanf(buf, "%hhi.%hhi", &cfg.release_major, &cfg.release_minor)
887 			  struct device_attribute *kattr, const char *buf,  in pstr_store()  argument
898 	ret = utf8s_to_utf16s(buf, count, UTF16_LITTLE_ENDIAN,  in pstr_store()
919 			 struct device_attribute *kattr, char *buf)  in pstr_show()  argument
946 	ret = utf16s_to_utf8s(report.string, length, UTF16_LITTLE_ENDIAN, buf,  in pstr_show()
948 	buf[ret++] = '\n';  in pstr_show()
987 	u8 buf[2];  in chmod_sysfs_attrs()  local
990 	ret = cp2112_hid_get(hdev, CP2112_LOCK_BYTE, buf, sizeof(buf),  in chmod_sysfs_attrs()
992 	if (ret != sizeof(buf)) {  in chmod_sysfs_attrs()
998 		umode_t mode = (buf[1] & 1) ? S_IWUSR | S_IRUGO : S_IRUGO;  in chmod_sysfs_attrs()
1003 		buf[1] >>= 1;  in chmod_sysfs_attrs()
1010 	u8 buf[3];  in cp2112_probe()  local
1038 	ret = cp2112_hid_get(hdev, CP2112_GET_VERSION_INFO, buf, sizeof(buf),  in cp2112_probe()
1040 	if (ret != sizeof(buf)) {  in cp2112_probe()
1048 		 buf[1], buf[2]);  in cp2112_probe()
1085 	dev->hwversion = buf[2];  in cp2112_probe()