diff options
Diffstat (limited to 'drivers/media/i2c/tc358743.c')
| -rw-r--r-- | drivers/media/i2c/tc358743.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c index 2d5f42f11158..3d6703b75bfa 100644 --- a/drivers/media/i2c/tc358743.c +++ b/drivers/media/i2c/tc358743.c @@ -313,6 +313,10 @@ static int tc358743_get_detected_timings(struct v4l2_subdev *sd, memset(timings, 0, sizeof(struct v4l2_dv_timings)); + /* if HPD is low, ignore any video */ + if (!(i2c_rd8(sd, HPD_CTL) & MASK_HPD_OUT0)) + return -ENOLINK; + if (no_signal(sd)) { v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__); return -ENOLINK; @@ -1501,7 +1505,7 @@ static irqreturn_t tc358743_irq_handler(int irq, void *dev_id) static void tc358743_irq_poll_timer(struct timer_list *t) { - struct tc358743_state *state = from_timer(state, t, timer); + struct tc358743_state *state = timer_container_of(state, t, timer); unsigned int msecs; schedule_work(&state->work_i2c_poll); |