diff options
author | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
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committer | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
commit | bd45ac0c5daae35e7c71138172e63df5cf644cf6 (patch) | |
tree | 5eb5a599bf6a9d7a8a34e802db932aa9e9555de4 /drivers/media/video/vp27smpx.c | |
parent | 4eece4ccf997c0e6d8fdad3d842e37b16b8d705f (diff) | |
parent | 5bdeae46be6dfe9efa44a548bd622af325f4bdb4 (diff) |
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/media/video/vp27smpx.c')
-rw-r--r-- | drivers/media/video/vp27smpx.c | 113 |
1 files changed, 32 insertions, 81 deletions
diff --git a/drivers/media/video/vp27smpx.c b/drivers/media/video/vp27smpx.c index 63002e0ac76..282c81403c9 100644 --- a/drivers/media/video/vp27smpx.c +++ b/drivers/media/video/vp27smpx.c @@ -30,15 +30,12 @@ #include <linux/videodev.h> #include <media/v4l2-common.h> #include <media/v4l2-chip-ident.h> +#include <media/v4l2-i2c-drv.h> MODULE_DESCRIPTION("vp27smpx driver"); MODULE_AUTHOR("Hans Verkuil"); MODULE_LICENSE("GPL"); -static unsigned short normal_i2c[] = { 0xb6 >> 1, I2C_CLIENT_END }; - - -I2C_CLIENT_INSMOD; /* ----------------------------------------------------------------------- */ @@ -53,28 +50,26 @@ static void vp27smpx_set_audmode(struct i2c_client *client, u32 audmode) u8 data[3] = { 0x00, 0x00, 0x04 }; switch (audmode) { - case V4L2_TUNER_MODE_MONO: - case V4L2_TUNER_MODE_LANG1: - break; - case V4L2_TUNER_MODE_STEREO: - case V4L2_TUNER_MODE_LANG1_LANG2: - data[1] = 0x01; - break; - case V4L2_TUNER_MODE_LANG2: - data[1] = 0x02; - break; + case V4L2_TUNER_MODE_MONO: + case V4L2_TUNER_MODE_LANG1: + break; + case V4L2_TUNER_MODE_STEREO: + case V4L2_TUNER_MODE_LANG1_LANG2: + data[1] = 0x01; + break; + case V4L2_TUNER_MODE_LANG2: + data[1] = 0x02; + break; } - if (i2c_master_send(client, data, sizeof(data)) != sizeof(data)) { - v4l_err(client, "%s: I/O error setting audmode\n", client->name); - } - else { + if (i2c_master_send(client, data, sizeof(data)) != sizeof(data)) + v4l_err(client, "%s: I/O error setting audmode\n", + client->name); + else state->audmode = audmode; - } } -static int vp27smpx_command(struct i2c_client *client, unsigned int cmd, - void *arg) +static int vp27smpx_command(struct i2c_client *client, unsigned cmd, void *arg) { struct vp27smpx_state *state = i2c_get_clientdata(client); struct v4l2_tuner *vt = arg; @@ -103,7 +98,8 @@ static int vp27smpx_command(struct i2c_client *client, unsigned int cmd, break; case VIDIOC_G_CHIP_IDENT: - return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_VP27SMPX, 0); + return v4l2_chip_ident_i2c_client(client, arg, + V4L2_IDENT_VP27SMPX, 0); case VIDIOC_LOG_STATUS: v4l_info(client, "Audio Mode: %u%s\n", state->audmode, @@ -125,88 +121,43 @@ static int vp27smpx_command(struct i2c_client *client, unsigned int cmd, * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' */ -static struct i2c_driver i2c_driver; - -static int vp27smpx_attach(struct i2c_adapter *adapter, int address, int kind) +static int vp27smpx_probe(struct i2c_client *client) { - struct i2c_client *client; struct vp27smpx_state *state; /* Check if the adapter supports the needed features */ - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return 0; - - client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == 0) - return -ENOMEM; + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -EIO; - client->addr = address; - client->adapter = adapter; - client->driver = &i2c_driver; snprintf(client->name, sizeof(client->name) - 1, "vp27smpx"); - v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name); + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); state = kzalloc(sizeof(struct vp27smpx_state), GFP_KERNEL); - if (state == NULL) { - kfree(client); + if (state == NULL) return -ENOMEM; - } state->audmode = V4L2_TUNER_MODE_STEREO; i2c_set_clientdata(client, state); /* initialize vp27smpx */ vp27smpx_set_audmode(client, state->audmode); - i2c_attach_client(client); - return 0; } -static int vp27smpx_probe(struct i2c_adapter *adapter) +static int vp27smpx_remove(struct i2c_client *client) { - if (adapter->class & I2C_CLASS_TV_ANALOG) - return i2c_probe(adapter, &addr_data, vp27smpx_attach); - return 0; -} - -static int vp27smpx_detach(struct i2c_client *client) -{ - struct vp27smpx_state *state = i2c_get_clientdata(client); - int err; - - err = i2c_detach_client(client); - if (err) { - return err; - } - kfree(state); - kfree(client); - + kfree(i2c_get_clientdata(client)); return 0; } /* ----------------------------------------------------------------------- */ -/* i2c implementation */ -static struct i2c_driver i2c_driver = { - .driver = { - .name = "vp27smpx", - }, - .id = I2C_DRIVERID_VP27SMPX, - .attach_adapter = vp27smpx_probe, - .detach_client = vp27smpx_detach, - .command = vp27smpx_command, +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "vp27smpx", + .driverid = I2C_DRIVERID_VP27SMPX, + .command = vp27smpx_command, + .probe = vp27smpx_probe, + .remove = vp27smpx_remove, }; - -static int __init vp27smpx_init_module(void) -{ - return i2c_add_driver(&i2c_driver); -} - -static void __exit vp27smpx_cleanup_module(void) -{ - i2c_del_driver(&i2c_driver); -} - -module_init(vp27smpx_init_module); -module_exit(vp27smpx_cleanup_module); |