From: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
Both synchronous and asynchronous adv7343 subdevice probing is supported by
this patch.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
Cc: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Hans Verkuil <hverkuil@xxxxxxxxx>
Cc: Sakari Ailus <sakari.ailus@xxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
---
drivers/media/i2c/adv7343.c | 17 +++++++++++++----
1 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/drivers/media/i2c/adv7343.c b/drivers/media/i2c/adv7343.c
index 9fc2b98..5b1417b 100644
--- a/drivers/media/i2c/adv7343.c
+++ b/drivers/media/i2c/adv7343.c
@@ -27,6 +27,7 @@
#include <linux/uaccess.h>
#include <media/adv7343.h>
+#include <media/v4l2-async.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-ctrls.h>
@@ -44,6 +45,7 @@ struct adv7343_state {
struct v4l2_subdev sd;
struct v4l2_ctrl_handler hdl;
const struct adv7343_platform_data *pdata;
+ struct v4l2_async_subdev_list asdl;
u8 reg00;
u8 reg01;
u8 reg02;
@@ -455,16 +457,22 @@ static int adv7343_probe(struct i2c_client *client,
ADV7343_GAIN_DEF);
state->sd.ctrl_handler = &state->hdl;
if (state->hdl.error) {
- int err = state->hdl.error;
-
- v4l2_ctrl_handler_free(&state->hdl);
- return err;
+ err = state->hdl.error;
+ goto done;
}
v4l2_ctrl_handler_setup(&state->hdl);
err = adv7343_initialize(&state->sd);
if (err)
+ goto done;
+
+ state->sd.dev = &client->dev;
+ err = v4l2_async_register_subdev(&state->sd);
+
+done:
+ if (err < 0)
v4l2_ctrl_handler_free(&state->hdl);
+
return err;
}
@@ -473,6 +481,7 @@ static int adv7343_remove(struct i2c_client *client)
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct adv7343_state *state = to_state(sd);
+ v4l2_async_unregister_subdev(&state->sd);
v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(&state->hdl);
--
1.7.4.1
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