summaryrefslogtreecommitdiff
path: root/linux/drivers/media/video/v4l2-common.c
diff options
context:
space:
mode:
Diffstat (limited to 'linux/drivers/media/video/v4l2-common.c')
-rw-r--r--linux/drivers/media/video/v4l2-common.c74
1 files changed, 38 insertions, 36 deletions
diff --git a/linux/drivers/media/video/v4l2-common.c b/linux/drivers/media/video/v4l2-common.c
index 32d0246d5..8f2db1250 100644
--- a/linux/drivers/media/video/v4l2-common.c
+++ b/linux/drivers/media/video/v4l2-common.c
@@ -570,6 +570,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
case V4L2_CID_RED_BALANCE:
case V4L2_CID_BLUE_BALANCE:
case V4L2_CID_GAMMA:
+ case V4L2_CID_SHARPNESS:
qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
break;
case V4L2_CID_PAN_RELATIVE:
@@ -739,8 +740,9 @@ EXPORT_SYMBOL(v4l2_chip_ident_i2c_client);
/* ----------------------------------------------------------------- */
-/* Helper function for I2C legacy drivers */
+/* I2C Helper functions */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver *driver,
const char *name,
int (*probe)(struct i2c_client *, const struct i2c_device_id *))
@@ -766,11 +768,13 @@ int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver
return err != -ENOMEM ? 0 : err;
}
EXPORT_SYMBOL(v4l2_i2c_attach);
+#endif
void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
const struct v4l2_subdev_ops *ops)
{
v4l2_subdev_init(sd, ops);
+ sd->flags |= V4L2_SUBDEV_FL_IS_I2C;
/* the owner is the same as the i2c_client's driver owner */
sd->owner = client->driver->driver.owner;
/* i2c_client and v4l2_subdev point to one another */
@@ -783,7 +787,7 @@ void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
}
EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_init);
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
/* Supporting function to find a client on a specific address on the
given adapter. Used for legacy i2c drivers. */
static struct i2c_client *v4l2_i2c_legacy_find_client(struct i2c_adapter *adap, u8 addr)
@@ -814,33 +818,27 @@ static struct i2c_client *v4l2_i2c_legacy_find_client(struct i2c_adapter *adap,
#endif
-/* Load an i2c sub-device. It assumes that i2c_get_adapdata(adapter)
- returns the v4l2_device and that i2c_get_clientdata(client)
- returns the v4l2_subdev. */
-struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
+/* Load an i2c sub-device. */
+struct v4l2_subdev *v4l2_i2c_new_subdev(struct v4l2_device *v4l2_dev,
+ struct i2c_adapter *adapter,
const char *module_name, const char *client_type, u8 addr)
{
- struct v4l2_device *dev = i2c_get_adapdata(adapter);
struct v4l2_subdev *sd = NULL;
struct i2c_client *client;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
struct i2c_board_info info;
#endif
- BUG_ON(!dev);
-#ifdef MODULE
+ BUG_ON(!v4l2_dev);
+
if (module_name)
request_module(module_name);
-#endif
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
/* Setup the i2c board info with the device type and
the device address. */
memset(&info, 0, sizeof(info));
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
- strlcpy(info.driver_name, client_type, sizeof(info.driver_name));
-#else
strlcpy(info.type, client_type, sizeof(info.type));
-#endif
info.addr = addr;
/* Create the i2c client */
@@ -865,13 +863,13 @@ struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
/* Register with the v4l2_device which increases the module's
use count as well. */
- if (v4l2_device_register_subdev(dev, sd))
+ if (v4l2_device_register_subdev(v4l2_dev, sd))
sd = NULL;
/* Decrease the module use count to match the first try_module_get. */
module_put(client->driver->driver.owner);
error:
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
/* If we have a client but no subdev, then something went wrong and
we must unregister the client. */
if (client && sd == NULL)
@@ -881,34 +879,28 @@ error:
}
EXPORT_SYMBOL_GPL(v4l2_i2c_new_subdev);
-/* Probe and load an i2c sub-device. It assumes that i2c_get_adapdata(adapter)
- returns the v4l2_device and that i2c_get_clientdata(client)
- returns the v4l2_subdev. */
-struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
+/* Probe and load an i2c sub-device. */
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct v4l2_device *v4l2_dev,
+ struct i2c_adapter *adapter,
const char *module_name, const char *client_type,
const unsigned short *addrs)
{
- struct v4l2_device *dev = i2c_get_adapdata(adapter);
struct v4l2_subdev *sd = NULL;
struct i2c_client *client = NULL;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
struct i2c_board_info info;
#endif
- BUG_ON(!dev);
-#ifdef MODULE
+ BUG_ON(!v4l2_dev);
+
if (module_name)
request_module(module_name);
-#endif
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
/* Setup the i2c board info with the device type and
the device address. */
memset(&info, 0, sizeof(info));
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
- strlcpy(info.driver_name, client_type, sizeof(info.driver_name));
-#else
strlcpy(info.type, client_type, sizeof(info.type));
-#endif
/* Probe and create the i2c client */
client = i2c_new_probed_device(adapter, &info, addrs);
@@ -934,13 +926,13 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
/* Register with the v4l2_device which increases the module's
use count as well. */
- if (v4l2_device_register_subdev(dev, sd))
+ if (v4l2_device_register_subdev(v4l2_dev, sd))
sd = NULL;
/* Decrease the module use count to match the first try_module_get. */
module_put(client->driver->driver.owner);
error:
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
/* If we have a client but no subdev, then something went wrong and
we must unregister the client. */
if (client && sd == NULL)
@@ -950,6 +942,17 @@ error:
}
EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev);
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev,
+ struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type, u8 addr)
+{
+ unsigned short addrs[2] = { addr, I2C_CLIENT_END };
+
+ return v4l2_i2c_new_probed_subdev(v4l2_dev, adapter,
+ module_name, client_type, addrs);
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev_addr);
+
/* Return i2c client address of v4l2_subdev. */
unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd)
{
@@ -976,8 +979,7 @@ const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type)
};
static const unsigned short tv_addrs[] = {
0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
- 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
- 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+ 0x60, 0x61, 0x62, 0x63, 0x64,
I2C_CLIENT_END
};