Implement g_frame_interval to return the current standard's frame
interval.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
drivers/media/i2c/adv7180.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c
index c2e24132e8c21d38..f72312efc471acd9 100644
--- a/drivers/media/i2c/adv7180.c
+++ b/drivers/media/i2c/adv7180.c
@@ -461,6 +461,22 @@ static int adv7180_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
return 0;
}
+static int adv7180_g_frame_interval(struct v4l2_subdev *sd,
+ struct v4l2_subdev_frame_interval *fi)
+{
+ struct adv7180_state *state = to_state(sd);
+
+ if (state->curr_norm & V4L2_STD_525_60) {
+ fi->interval.numerator = 1001;
+ fi->interval.denominator = 30000;
+ } else {
+ fi->interval.numerator = 1;
+ fi->interval.denominator = 25;
+ }
+
+ return 0;
+}
+
static void adv7180_set_power_pin(struct adv7180_state *state, bool on)
{
if (!state->pwdn_gpio)
@@ -820,6 +836,7 @@ static int adv7180_subscribe_event(struct v4l2_subdev *sd,
static const struct v4l2_subdev_video_ops adv7180_video_ops = {
.s_std = adv7180_s_std,
.g_std = adv7180_g_std,
+ .g_frame_interval = adv7180_g_frame_interval,
.querystd = adv7180_querystd,
.g_input_status = adv7180_g_input_status,
.s_routing = adv7180_s_routing,
--
2.18.0
