/* Initial number of frames to skip to avoid possible garbage */
#define ADV7180_NUM_OF_SKIP_FRAMES 2
+static int dbg_input;
+module_param(dbg_input, int, 0644);
+MODULE_PARM_DESC(dbg_input, "Input number (0-31)");
+
struct adv7180_state;
#define ADV7180_FLAG_RESET_POWERED BIT(0)
return ret;
}
+static void adv7180_check_input(struct v4l2_subdev *sd)
+{
+ struct adv7180_state *state = to_state(sd);
+
+ if (state->input != dbg_input)
+ if (adv7180_s_routing(sd, dbg_input, 0, 0))
+ /* Failed - reset dbg_input */
+ dbg_input = state->input;
+}
+
static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
{
struct adv7180_state *state = to_state(sd);
- int ret = mutex_lock_interruptible(&state->mutex);
+ int ret;
+
+ adv7180_check_input(sd);
+
+ ret = mutex_lock_interruptible(&state->mutex);
if (ret)
return ret;
static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
{
struct adv7180_state *state = to_state(sd);
- int ret = mutex_lock_interruptible(&state->mutex);
+ int ret;
+
+ adv7180_check_input(sd);
+
+ ret = mutex_lock_interruptible(&state->mutex);
if (ret)
return ret;
{
struct adv7180_state *state = to_state(sd);
+ adv7180_check_input(sd);
+
*norm = state->curr_norm;
return 0;
return 0;
}
+ adv7180_check_input(sd);
+
/* Must wait until querystd released the lock */
ret = mutex_lock_interruptible(&state->mutex);
if (ret)