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author | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-31 12:35:57 (GMT) |
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committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-31 12:35:57 (GMT) |
commit | 2ca1a615835d9f4990f42102ab1f2ef434e7e89c (patch) | |
tree | 726cf3d5f29a6c66c44e4bd68e7ebed2fd83d059 /drivers/media/video/tea6420.c | |
parent | e12f0102ac81d660c9f801d0a0e10ccf4537a9de (diff) | |
parent | 6a94cb73064c952255336cc57731904174b2c58f (diff) | |
download | linux-fsl-qoriq-2ca1a615835d9f4990f42102ab1f2ef434e7e89c.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/x86/kernel/io_apic.c
Diffstat (limited to 'drivers/media/video/tea6420.c')
-rw-r--r-- | drivers/media/video/tea6420.c | 49 |
1 files changed, 37 insertions, 12 deletions
diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c index e508209..38e519f 100644 --- a/drivers/media/video/tea6420.c +++ b/drivers/media/video/tea6420.c @@ -31,7 +31,7 @@ #include <linux/module.h> #include <linux/ioctl.h> #include <linux/i2c.h> -#include <media/v4l2-common.h> +#include <media/v4l2-device.h> #include <media/v4l2-i2c-drv-legacy.h> #include "tea6420.h" @@ -90,26 +90,37 @@ static int tea6420_switch(struct i2c_client *client, int i, int o, int g) return 0; } -static int tea6420_command(struct i2c_client *client, unsigned cmd, void *arg) +static int tea6420_ioctl(struct v4l2_subdev *sd, unsigned cmd, void *arg) { - struct tea6420_multiplex *a = (struct tea6420_multiplex *)arg; - int result = 0; + if (cmd == TEA6420_SWITCH) { + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct tea6420_multiplex *a = (struct tea6420_multiplex *)arg; - switch (cmd) { - case TEA6420_SWITCH: - result = tea6420_switch(client, a->in, a->out, a->gain); - break; - default: - return -ENOIOCTLCMD; + return tea6420_switch(client, a->in, a->out, a->gain); } + return -ENOIOCTLCMD; +} - return result; +static int tea6420_command(struct i2c_client *client, unsigned cmd, void *arg) +{ + return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg); } +/* ----------------------------------------------------------------------- */ + +static const struct v4l2_subdev_core_ops tea6420_core_ops = { + .ioctl = tea6420_ioctl, +}; + +static const struct v4l2_subdev_ops tea6420_ops = { + .core = &tea6420_core_ops, +}; + /* this function is called by i2c_probe */ static int tea6420_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct v4l2_subdev *sd; int err, i; /* let's see whether this adapter can support what we need */ @@ -126,9 +137,22 @@ static int tea6420_probe(struct i2c_client *client, } if (err) { v4l_dbg(1, debug, client, "could not initialize tea6420\n"); - kfree(client); return -ENODEV; } + + sd = kmalloc(sizeof(struct v4l2_subdev), GFP_KERNEL); + if (sd == NULL) + return -ENOMEM; + v4l2_i2c_subdev_init(sd, client, &tea6420_ops); + return 0; +} + +static int tea6420_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + + v4l2_device_unregister_subdev(sd); + kfree(sd); return 0; } @@ -150,6 +174,7 @@ static struct v4l2_i2c_driver_data v4l2_i2c_data = { .driverid = I2C_DRIVERID_TEA6420, .command = tea6420_command, .probe = tea6420_probe, + .remove = tea6420_remove, .legacy_probe = tea6420_legacy_probe, .id_table = tea6420_id, }; |