70 	int ret;  in gpiotools_request_linehandle()  local
72 	ret = asprintf(&chrdev_name, "/dev/%s", device_name);  in gpiotools_request_linehandle()
73 	if (ret < 0)  in gpiotools_request_linehandle()
78 		ret = -errno;  in gpiotools_request_linehandle()
92 	ret = ioctl(fd, GPIO_GET_LINEHANDLE_IOCTL, &req);  in gpiotools_request_linehandle()
93 	if (ret == -1) {  in gpiotools_request_linehandle()
94 		ret = -errno;  in gpiotools_request_linehandle()
96 			ret);  in gpiotools_request_linehandle()
103 	return ret < 0 ? ret : req.fd;  in gpiotools_request_linehandle()
116 	int ret;  in gpiotools_set_values()  local
118 	ret = ioctl(fd, GPIOHANDLE_SET_LINE_VALUES_IOCTL, data);  in gpiotools_set_values()
119 	if (ret == -1) {  in gpiotools_set_values()
120 		ret = -errno;  in gpiotools_set_values()
122 			"GPIOHANDLE_SET_LINE_VALUES_IOCTL", ret);  in gpiotools_set_values()
125 	return ret;  in gpiotools_set_values()
139 	int ret;  in gpiotools_get_values()  local
141 	ret = ioctl(fd, GPIOHANDLE_GET_LINE_VALUES_IOCTL, data);  in gpiotools_get_values()
142 	if (ret == -1) {  in gpiotools_get_values()
143 		ret = -errno;  in gpiotools_get_values()
145 			"GPIOHANDLE_GET_LINE_VALUES_IOCTL", ret);  in gpiotools_get_values()
148 	return ret;  in gpiotools_get_values()
161 	int ret;  in gpiotools_release_linehandle()  local
163 	ret = close(fd);  in gpiotools_release_linehandle()
164 	if (ret == -1) {  in gpiotools_release_linehandle()
166 		ret = -errno;  in gpiotools_release_linehandle()
169 	return ret;  in gpiotools_release_linehandle()
207 	int ret;  in gpiotools_gets()  local
210 	ret = gpiotools_request_linehandle(device_name, lines, nlines,  in gpiotools_gets()
213 	if (ret < 0)  in gpiotools_gets()
214 		return ret;  in gpiotools_gets()
216 	fd = ret;  in gpiotools_gets()
217 	ret = gpiotools_get_values(fd, data);  in gpiotools_gets()
219 	return ret < 0 ? ret : ret_close;  in gpiotools_gets()
258 	int ret;  in gpiotools_sets()  local
260 	ret = gpiotools_request_linehandle(device_name, lines, nlines,  in gpiotools_sets()
263 	if (ret < 0)  in gpiotools_sets()
264 		return ret;  in gpiotools_sets()
266 	return gpiotools_release_linehandle(ret);  in gpiotools_sets()