[PATCH] [media] tvp5150: add support for asynchronous probing

From: Javier Martinez Canillas
Date: Mon Sep 21 2015 - 07:23:40 EST


Allow the subdevice to be probed asynchronously.

Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>

---

drivers/media/i2c/tvp5150.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 522a865c5c60..3c5fb2509c47 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -10,6 +10,7 @@
#include <linux/videodev2.h>
#include <linux/delay.h>
#include <linux/module.h>
+#include <media/v4l2-async.h>
#include <media/v4l2-device.h>
#include <media/tvp5150.h>
#include <media/v4l2-ctrls.h>
@@ -1172,8 +1173,7 @@ static int tvp5150_probe(struct i2c_client *c,
sd->ctrl_handler = &core->hdl;
if (core->hdl.error) {
res = core->hdl.error;
- v4l2_ctrl_handler_free(&core->hdl);
- return res;
+ goto err;
}
v4l2_ctrl_handler_setup(&core->hdl);

@@ -1186,9 +1186,17 @@ static int tvp5150_probe(struct i2c_client *c,
core->rect.left = 0;
core->rect.width = TVP5150_H_MAX;

+ res = v4l2_async_register_subdev(sd);
+ if (res < 0)
+ goto err;
+
if (debug > 1)
tvp5150_log_status(sd);
return 0;
+
+err:
+ v4l2_ctrl_handler_free(&core->hdl);
+ return res;
}

static int tvp5150_remove(struct i2c_client *c)
@@ -1200,7 +1208,7 @@ static int tvp5150_remove(struct i2c_client *c)
"tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
c->addr << 1);

- v4l2_device_unregister_subdev(sd);
+ v4l2_async_unregister_subdev(sd);
v4l2_ctrl_handler_free(&decoder->hdl);
return 0;
}
--
2.4.3

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