[PATCH 2/2] media: i2c: ths8200: add support v4l-async
From: Prabhakar Lad
Date: Mon Jun 03 2013 - 13:27:34 EST
From: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
This patch supports ths8200 driver for v4l-async subdevice
probing.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
---
drivers/media/i2c/ths8200.c | 10 +++++++++-
1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/drivers/media/i2c/ths8200.c b/drivers/media/i2c/ths8200.c
index 9396829..d1bddcc 100644
--- a/drivers/media/i2c/ths8200.c
+++ b/drivers/media/i2c/ths8200.c
@@ -21,6 +21,7 @@
#include <linux/module.h>
#include <linux/v4l2-dv-timings.h>
+#include <media/v4l2-async.h>
#include <media/v4l2-device.h>
#include "ths8200_regs.h"
@@ -504,6 +505,7 @@ static int ths8200_probe(struct i2c_client *client,
{
struct ths8200_state *state;
struct v4l2_subdev *sd;
+ int error;
/* Check if the adapter supports the needed features */
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
@@ -521,6 +523,11 @@ static int ths8200_probe(struct i2c_client *client,
ths8200_core_init(sd);
+ state->sd.dev = &client->dev;
+ error = v4l2_async_register_subdev(&state->sd);
+ if (error)
+ return error;
+
v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
client->addr << 1, client->adapter->name);
@@ -530,12 +537,13 @@ static int ths8200_probe(struct i2c_client *client,
static int ths8200_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct ths8200_state *decoder = to_state(sd);
v4l2_dbg(1, debug, sd, "%s removed @ 0x%x (%s)\n", client->name,
client->addr << 1, client->adapter->name);
ths8200_s_power(sd, false);
-
+ v4l2_async_unregister_subdev(&decoder->sd);
v4l2_device_unregister_subdev(sd);
return 0;
--
1.7.0.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/