[PATCH 14/22] [media] tvp5150: issue source change events

Marco Felsch
2018-06-28T16:20:46Z

From: Philipp Zabel <p.zabel@pengutronix.de>

Issue a V4L2_EVENT_SOURCE_CHANGE notification when the TVP5150 locks
onto a signal and when it loses the lock.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
[m.felsch@pengutronix.de: partly mainline part port]
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
drivers/media/i2c/tvp5150.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 27cfd08be3d2..6296c68ac816 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -796,6 +796,11 @@ static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
}
}

+static const struct v4l2_event tvp5150_ev_fmt = {
+ .type = V4L2_EVENT_SOURCE_CHANGE,
+ .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
+};
+
static irqreturn_t tvp5150_isr(int irq, void *dev_id)
{
struct tvp5150 *decoder = dev_id;
@@ -811,6 +816,7 @@ static irqreturn_t tvp5150_isr(int irq, void *dev_id)

if (status & TVP5150_INT_A_LOCK) {
decoder->lock = !!(status & TVP5150_INT_A_LOCK_STATUS);
+ v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
regmap_update_bits(map, TVP5150_MISC_CTL, mask,
decoder->lock ? decoder->oe : 0);
}
@@ -1216,6 +1222,7 @@ static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
/* Enable outputs if decoder is locked */
val = decoder->lock ? decoder->oe : 0;
int_val = TVP5150_INT_A_LOCK;
+ v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
}

regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
@@ -1432,7 +1439,6 @@ static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
.registered = tvp5150_registered,
};

-
/****************************************************************************
I2C Client & Driver
****************************************************************************/
--
2.17.1