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author | Hans Verkuil <hverkuil@xs4all.nl> | 2008-12-18 12:29:07 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-30 09:39:30 -0200 |
commit | 85d826b01751c17bc70a97bcacc1886f0c79917d (patch) | |
tree | dd4b907700c50fbea93aabde87c8dcb8bd1552f0 | |
parent | 035f8dc1e478c67ea2682fde8f26ee9d0982a2e7 (diff) | |
download | lwn-85d826b01751c17bc70a97bcacc1886f0c79917d.tar.gz lwn-85d826b01751c17bc70a97bcacc1886f0c79917d.zip |
V4L/DVB (9961): tea6415c: convert to v4l2_subdev.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r-- | drivers/media/video/tea6415c.c | 49 |
1 files changed, 38 insertions, 11 deletions
diff --git a/drivers/media/video/tea6415c.c b/drivers/media/video/tea6415c.c index cde092adbb5a..31dde86f2df4 100644 --- a/drivers/media/video/tea6415c.c +++ b/drivers/media/video/tea6415c.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 "tea6415c.h" @@ -122,31 +122,57 @@ static int switch_matrix(struct i2c_client *client, int i, int o) return ret; } -static int tea6415c_command(struct i2c_client *client, unsigned cmd, void *arg) +static int tea6415c_ioctl(struct v4l2_subdev *sd, unsigned cmd, void *arg) { - struct tea6415c_multiplex *v = (struct tea6415c_multiplex *)arg; - int result = 0; + if (cmd == TEA6415C_SWITCH) { + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct tea6415c_multiplex *v = (struct tea6415c_multiplex *)arg; - switch (cmd) { - case TEA6415C_SWITCH: - result = switch_matrix(client, v->in, v->out); - break; - default: - return -ENOIOCTLCMD; + return switch_matrix(client, v->in, v->out); } - return result; + return -ENOIOCTLCMD; } +static int tea6415c_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 tea6415c_core_ops = { + .ioctl = tea6415c_ioctl, +}; + +static const struct v4l2_subdev_ops tea6415c_ops = { + .core = &tea6415c_core_ops, +}; + /* this function is called by i2c_probe */ static int tea6415c_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct v4l2_subdev *sd; + /* let's see whether this adapter can support what we need */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WRITE_BYTE)) return 0; v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); + sd = kmalloc(sizeof(struct v4l2_subdev), GFP_KERNEL); + if (sd == NULL) + return -ENOMEM; + v4l2_i2c_subdev_init(sd, client, &tea6415c_ops); + return 0; +} + +static int tea6415c_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + + v4l2_device_unregister_subdev(sd); + kfree(sd); return 0; } @@ -168,6 +194,7 @@ static struct v4l2_i2c_driver_data v4l2_i2c_data = { .driverid = I2C_DRIVERID_TEA6415C, .command = tea6415c_command, .probe = tea6415c_probe, + .remove = tea6415c_remove, .legacy_probe = tea6415c_legacy_probe, .id_table = tea6415c_id, }; |