- /* Detect if it's an saa7129 */
- read_result = saa7127_read(client, SAA7129_REG_FADE_KEY_COL2);
- saa7127_write(client, SAA7129_REG_FADE_KEY_COL2, 0xaa);
- if (saa7127_read(client, SAA7129_REG_FADE_KEY_COL2) == 0xaa) {
- v4l_info(client, "saa7129 found @ 0x%x (%s)\n",
- client->addr << 1, client->adapter->name);
- saa7127_write(client, SAA7129_REG_FADE_KEY_COL2, read_result);
- saa7127_write_inittab(client, saa7129_init_config_extra);
- state->ident = V4L2_IDENT_SAA7129;
- } else {
- v4l_info(client, "saa7127 found @ 0x%x (%s)\n",
- client->addr << 1, client->adapter->name);
- state->ident = V4L2_IDENT_SAA7127;
+ if (id->driver_data) { /* Chip type is already known */
+ state->ident = id->driver_data;
+ } else { /* Needs detection */
+ int read_result;
+
+ /* Detect if it's an saa7129 */
+ read_result = saa7127_read(client, SAA7129_REG_FADE_KEY_COL2);
+ saa7127_write(client, SAA7129_REG_FADE_KEY_COL2, 0xaa);
+ if (saa7127_read(client, SAA7129_REG_FADE_KEY_COL2) == 0xaa) {
+ saa7127_write(client, SAA7129_REG_FADE_KEY_COL2,
+ read_result);
+ state->ident = V4L2_IDENT_SAA7129;
+ strlcpy(client->name, "saa7129", I2C_NAME_SIZE);
+ } else {
+ state->ident = V4L2_IDENT_SAA7127;
+ strlcpy(client->name, "saa7127", I2C_NAME_SIZE);
+ }