-static struct soc_camera_link iclink[] = {
- {
- .bus_id = 0, /* Must match with the camera ID above */
- .gpio = NR_BUILTIN_GPIO + 1,
- }, {
- .bus_id = 0, /* Must match with the camera ID above */
- .gpio = -ENXIO,
+static int gpio_bus_switch;
+
+static int pcm990_camera_set_bus_param(struct soc_camera_link *link,
+ unsigned long flags)
+{
+ if (gpio_bus_switch <= 0) {
+ if (flags == SOCAM_DATAWIDTH_10)
+ return 0;
+ else
+ return -EINVAL;
+ }
+
+ if (flags & SOCAM_DATAWIDTH_8)
+ gpio_set_value(gpio_bus_switch, 1);
+ else
+ gpio_set_value(gpio_bus_switch, 0);
+
+ return 0;
+}
+
+static unsigned long pcm990_camera_query_bus_param(struct soc_camera_link *link)
+{
+ int ret;
+
+ if (!gpio_bus_switch) {
+ ret = gpio_request(NR_BUILTIN_GPIO + 1, "camera");
+ if (!ret) {
+ gpio_bus_switch = NR_BUILTIN_GPIO + 1;
+ gpio_direction_output(gpio_bus_switch, 0);
+ } else
+ gpio_bus_switch = -EINVAL;