67 	int ret;  in gpiotools_request_linehandle()  local
69 	ret = asprintf(&chrdev_name, "/dev/%s", device_name);  in gpiotools_request_linehandle()
70 	if (ret < 0)  in gpiotools_request_linehandle()
75 		ret = -errno;  in gpiotools_request_linehandle()
90 	ret = ioctl(fd, GPIO_GET_LINEHANDLE_IOCTL, &req);  in gpiotools_request_linehandle()
91 	if (ret == -1) {  in gpiotools_request_linehandle()
92 		ret = -errno;  in gpiotools_request_linehandle()
94 			"GPIO_GET_LINEHANDLE_IOCTL", ret, strerror(errno));  in gpiotools_request_linehandle()
101 	return ret < 0 ? ret : req.fd;  in gpiotools_request_linehandle()
134 	int ret;  in gpiotools_request_line()  local
136 	ret = asprintf(&chrdev_name, "/dev/%s", device_name);  in gpiotools_request_line()
137 	if (ret < 0)  in gpiotools_request_line()
142 		ret = -errno;  in gpiotools_request_line()
156 	ret = ioctl(fd, GPIO_V2_GET_LINE_IOCTL, &req);  in gpiotools_request_line()
157 	if (ret == -1) {  in gpiotools_request_line()
158 		ret = -errno;  in gpiotools_request_line()
160 			"GPIO_GET_LINE_IOCTL", ret, strerror(errno));  in gpiotools_request_line()
167 	return ret < 0 ? ret : req.fd;  in gpiotools_request_line()
181 	int ret;  in gpiotools_set_values()  local
183 	ret = ioctl(fd, GPIO_V2_LINE_SET_VALUES_IOCTL, values);  in gpiotools_set_values()
184 	if (ret == -1) {  in gpiotools_set_values()
185 		ret = -errno;  in gpiotools_set_values()
187 			"GPIOHANDLE_SET_LINE_VALUES_IOCTL", ret,  in gpiotools_set_values()
191 	return ret;  in gpiotools_set_values()
205 	int ret;  in gpiotools_get_values()  local
207 	ret = ioctl(fd, GPIO_V2_LINE_GET_VALUES_IOCTL, values);  in gpiotools_get_values()
208 	if (ret == -1) {  in gpiotools_get_values()
209 		ret = -errno;  in gpiotools_get_values()
211 			"GPIOHANDLE_GET_LINE_VALUES_IOCTL", ret,  in gpiotools_get_values()
215 	return ret;  in gpiotools_get_values()
228 	int ret;  in gpiotools_release_linehandle()  local
230 	ret = close(fd);  in gpiotools_release_linehandle()
231 	if (ret == -1) {  in gpiotools_release_linehandle()
233 		ret = -errno;  in gpiotools_release_linehandle()
236 	return ret;  in gpiotools_release_linehandle()
249 	int ret;  in gpiotools_release_line()  local
251 	ret = close(fd);  in gpiotools_release_line()
252 	if (ret == -1) {  in gpiotools_release_line()
254 		ret = -errno;  in gpiotools_release_line()
257 	return ret;  in gpiotools_release_line()
271 	int ret;  in gpiotools_get()  local
275 	ret = gpiotools_gets(device_name, lines, 1, &value);  in gpiotools_get()
276 	if (ret)  in gpiotools_get()
277 		return ret;  in gpiotools_get()
298 	int ret;  in gpiotools_gets()  local
305 	ret = gpiotools_request_line(device_name, lines, num_lines,  in gpiotools_gets()
307 	if (ret < 0)  in gpiotools_gets()
308 		return ret;  in gpiotools_gets()
310 	fd = ret;  in gpiotools_gets()
313 	ret = gpiotools_get_values(fd, &lv);  in gpiotools_gets()
314 	if (!ret)  in gpiotools_gets()
318 	return ret < 0 ? ret : ret_close;  in gpiotools_gets()
355 	int ret, i;  in gpiotools_sets()  local
367 	ret = gpiotools_request_line(device_name, lines, num_lines,  in gpiotools_sets()
369 	if (ret < 0)  in gpiotools_sets()
370 		return ret;  in gpiotools_sets()
372 	return gpiotools_release_line(ret);  in gpiotools_sets()