27  * ioctl, including request and release for lines of gpio, read/write
29  * lines of gpio, user should use this type of api.
32  * following api will request gpio lines, do the operation and then
33  * release these lines.
37  * gpiotools_request_line() - request gpio lines in a gpiochip
40  * @lines:		An array desired lines, specified by offset
42  * @num_lines:		The number of lines to request.
49  * Request gpio lines through the ioctl provided by chardev. User
52  * gpiotools_release_line() to release these lines after that.
57 int gpiotools_request_line(const char *device_name, unsigned int *lines,  in gpiotools_request_line()  argument
82 		req.offsets[i] = lines[i];  in gpiotools_request_line()
184 	unsigned int lines[] = {line};  in gpiotools_get()  local
186 	ret = gpiotools_gets(device_name, lines, 1, &value);  in gpiotools_get()
194  * gpiotools_gets() - Get values from specific lines.
197  * @lines:		An array desired lines, specified by offset
199  * @num_lines:		The number of lines to request.
205 int gpiotools_gets(const char *device_name, unsigned int *lines,  in gpiotools_gets()  argument
216 	ret = gpiotools_request_line(device_name, lines, num_lines,  in gpiotools_gets()
245 	unsigned int lines[] = {line};  in gpiotools_set()  local
247 	return gpiotools_sets(device_name, lines, 1, &value);  in gpiotools_set()
251  * gpiotools_sets() - Set values to specific lines.
254  * @lines:		An array desired lines, specified by offset
256  * @num_lines:		The number of lines to request.
263 int gpiotools_sets(const char *device_name, unsigned int *lines,  in gpiotools_sets()  argument
278 	ret = gpiotools_request_line(device_name, lines, num_lines,  in gpiotools_sets()