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V4L/DVB (10068): Change device ID selection method on ov772x driver 

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Kuninori Morimoto 2008-12-18 11:05:49 -03:00 committed by Mauro Carvalho Chehab
parent 2d425131d2
commit aeabc882a3
2 changed files with 22 additions and 7 deletions
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27
drivers/media/video/ov772x.c
View File

@ -345,6 +345,12 @@
#define OP_UV 0x00000001
#define OP_SWAP_RGB 0x00000002
/*
* ID
*/
#define OV7720 0x7720
#define VERSION(pid, ver) ((pid<<8)|(ver&0xFF))
/*
* struct
*/
@ -374,6 +380,7 @@ struct ov772x_priv {
struct soc_camera_device icd;
const struct ov772x_color_format *fmt;
const struct ov772x_win_size *win;
int model;
};
#define ENDMARKER { 0xff, 0xff }
@ -702,7 +709,9 @@ static unsigned long ov772x_query_bus_param(struct soc_camera_device *icd)
static int ov772x_get_chip_id(struct soc_camera_device *icd,
struct v4l2_chip_ident *id)
{
id->ident = V4L2_IDENT_OV772X;
struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd);
id->ident = priv->model;
id->revision = 0;
return 0;
@ -796,6 +805,7 @@ static int ov772x_video_probe(struct soc_camera_device *icd)
{
struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd);
u8 pid, ver;
const char *devname;
/*
* We must have a parent by now. And it cannot be a wrong one.
@ -822,15 +832,21 @@ static int ov772x_video_probe(struct soc_camera_device *icd)
*/
pid = i2c_smbus_read_byte_data(priv->client, PID);
ver = i2c_smbus_read_byte_data(priv->client, VER);
if (pid != 0x77 ||
ver != 0x21) {
switch (VERSION(pid, ver)) {
case OV7720:
devname = "ov7720";
priv->model = V4L2_IDENT_OV7720;
break;
default:
dev_err(&icd->dev,
"Product ID error %x:%x\n", pid, ver);
return -ENODEV;
}
dev_info(&icd->dev,
"ov772x Product ID %0x:%0x Manufacturer ID %x:%x\n",
"%s Product ID %0x:%0x Manufacturer ID %x:%x\n",
devname,
pid,
ver,
i2c_smbus_read_byte_data(priv->client, MIDH),
@ -921,7 +937,7 @@ static int ov772x_remove(struct i2c_client *client)
}
static const struct i2c_device_id ov772x_id[] = {
{"ov772x", 0},
{ "ov772x", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, ov772x_id);
@ -941,7 +957,6 @@ static struct i2c_driver ov772x_i2c_driver = {
static int __init ov772x_module_init(void)
{
printk(KERN_INFO "ov772x driver\n");
return i2c_add_driver(&ov772x_i2c_driver);
}

2
include/media/v4l2-chip-ident.h
View File

@ -60,7 +60,7 @@ enum {
/* OmniVision sensors: reserved range 250-299 */
V4L2_IDENT_OV7670 = 250,
V4L2_IDENT_OV772X = 251,
V4L2_IDENT_OV7720 = 251,
/* Conexant MPEG encoder/decoders: reserved range 410-420 */
V4L2_IDENT_CX23415 = 415,