66 	int ret;  in gpiotools_request_line()  local
68 	ret = asprintf(&chrdev_name, "/dev/%s", device_name);  in gpiotools_request_line()
69 	if (ret < 0)  in gpiotools_request_line()
74 		ret = -errno;  in gpiotools_request_line()
88 	ret = ioctl(fd, GPIO_V2_GET_LINE_IOCTL, &req);  in gpiotools_request_line()
89 	if (ret == -1) {  in gpiotools_request_line()
90 		ret = -errno;  in gpiotools_request_line()
92 			"GPIO_GET_LINE_IOCTL", ret, strerror(errno));  in gpiotools_request_line()
99 	return ret < 0 ? ret : req.fd;  in gpiotools_request_line()
113 	int ret;  in gpiotools_set_values()  local
115 	ret = ioctl(fd, GPIO_V2_LINE_SET_VALUES_IOCTL, values);  in gpiotools_set_values()
116 	if (ret == -1) {  in gpiotools_set_values()
117 		ret = -errno;  in gpiotools_set_values()
119 			"GPIOHANDLE_SET_LINE_VALUES_IOCTL", ret,  in gpiotools_set_values()
123 	return ret;  in gpiotools_set_values()
137 	int ret;  in gpiotools_get_values()  local
139 	ret = ioctl(fd, GPIO_V2_LINE_GET_VALUES_IOCTL, values);  in gpiotools_get_values()
140 	if (ret == -1) {  in gpiotools_get_values()
141 		ret = -errno;  in gpiotools_get_values()
143 			"GPIOHANDLE_GET_LINE_VALUES_IOCTL", ret,  in gpiotools_get_values()
147 	return ret;  in gpiotools_get_values()
160 	int ret;  in gpiotools_release_line()  local
162 	ret = close(fd);  in gpiotools_release_line()
163 	if (ret == -1) {  in gpiotools_release_line()
165 		ret = -errno;  in gpiotools_release_line()
168 	return ret;  in gpiotools_release_line()
182 	int ret;  in gpiotools_get()  local
186 	ret = gpiotools_gets(device_name, lines, 1, &value);  in gpiotools_get()
187 	if (ret)  in gpiotools_get()
188 		return ret;  in gpiotools_get()
209 	int ret;  in gpiotools_gets()  local
216 	ret = gpiotools_request_line(device_name, lines, num_lines,  in gpiotools_gets()
218 	if (ret < 0)  in gpiotools_gets()
219 		return ret;  in gpiotools_gets()
221 	fd = ret;  in gpiotools_gets()
224 	ret = gpiotools_get_values(fd, &lv);  in gpiotools_gets()
225 	if (!ret)  in gpiotools_gets()
229 	return ret < 0 ? ret : ret_close;  in gpiotools_gets()
266 	int ret, i;  in gpiotools_sets()  local
278 	ret = gpiotools_request_line(device_name, lines, num_lines,  in gpiotools_sets()
280 	if (ret < 0)  in gpiotools_sets()
281 		return ret;  in gpiotools_sets()
283 	return gpiotools_release_line(ret);  in gpiotools_sets()