-static int s5c73m3_configure_gpios(struct s5c73m3 *state)
-{
- static const char * const gpio_names[] = {
- "S5C73M3_STBY", "S5C73M3_RST"
- };
- struct i2c_client *c = state->i2c_client;
- struct s5c73m3_gpio *g = state->gpio;
- int ret, i;
-
- for (i = 0; i < GPIO_NUM; ++i) {
- unsigned int flags = GPIOF_DIR_OUT;
- if (g[i].level)
- flags |= GPIOF_INIT_HIGH;
- ret = devm_gpio_request_one(&c->dev, g[i].gpio, flags,
- gpio_names[i]);
- if (ret) {
- v4l2_err(c, "failed to request gpio %s\n",
- gpio_names[i]);
- return ret;
- }
- }
- return 0;
-}
-
-static int s5c73m3_parse_gpios(struct s5c73m3 *state)
-{
- static const char * const prop_names[] = {
- "standby-gpios", "xshutdown-gpios",
- };
- struct device *dev = &state->i2c_client->dev;
- struct device_node *node = dev->of_node;
- int ret, i;
-
- for (i = 0; i < GPIO_NUM; ++i) {
- enum of_gpio_flags of_flags;
-
- ret = of_get_named_gpio_flags(node, prop_names[i],
- 0, &of_flags);
- if (ret < 0) {
- dev_err(dev, "failed to parse %s DT property\n",
- prop_names[i]);
- return -EINVAL;
- }
- state->gpio[i].gpio = ret;
- state->gpio[i].level = !(of_flags & OF_GPIO_ACTIVE_LOW);
- }
- return 0;
-}
-