On 07/17/2015 05:06 PM, Philipp Zabel wrote:
> This is useful to subscribe to HDMI hotplug events via the
> V4L2_CID_DV_RX_POWER_PRESENT control.
Very quick, but it doesn't apply. You need to combine the original
"[PATCH 5/5] [media] tc358743: allow event subscription" together with
this patch.
Regards,
Hans
>
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> ---
> Changes since v1:
> - Make use of v4l2_subdev_notify_event, v4l2_src_change_event_subdev_subscribe,
> and v4l2_ctrl_subdev_subscribe_event.
> ---
> drivers/media/i2c/tc358743.c | 18 +++++++++++++++---
> 1 file changed, 15 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
> index 0c3c8aa..0d31a4f 100644
> --- a/drivers/media/i2c/tc358743.c
> +++ b/drivers/media/i2c/tc358743.c
> @@ -860,8 +860,7 @@ static void tc358743_format_change(struct v4l2_subdev *sd)
> &timings, false);
> }
>
> - v4l2_subdev_notify(sd, V4L2_DEVICE_NOTIFY_EVENT,
> - (void *)&tc358743_ev_fmt);
> + v4l2_subdev_notify_event(sd, &tc358743_ev_fmt);
> }
>
> static void tc358743_init_interrupts(struct v4l2_subdev *sd)
> @@ -1318,6 +1317,19 @@ static irqreturn_t tc358743_irq_handler(int irq, void *dev_id)
> return handled ? IRQ_HANDLED : IRQ_NONE;
> }
>
> +static int tc358743_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
> + struct v4l2_event_subscription *sub)
> +{
> + switch (sub->type) {
> + case V4L2_EVENT_SOURCE_CHANGE:
> + return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
> + case V4L2_EVENT_CTRL:
> + return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
> + default:
> + return -EINVAL;
> + }
> +}
> +
> /* --------------- VIDEO OPS --------------- */
>
> static int tc358743_g_input_status(struct v4l2_subdev *sd, u32 *status)
> @@ -1605,7 +1617,7 @@ static const struct v4l2_subdev_core_ops tc358743_core_ops = {
> .s_register = tc358743_s_register,
> #endif
> .interrupt_service_routine = tc358743_isr,
> - .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
> + .subscribe_event = tc358743_subscribe_event,
> .unsubscribe_event = v4l2_event_subdev_unsubscribe,
> };
>
>
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