diff options
Diffstat (limited to 'drivers/i2c/chips/eeprom.c')
-rw-r--r-- | drivers/i2c/chips/eeprom.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/i2c/chips/eeprom.c b/drivers/i2c/chips/eeprom.c index ef8a754db1db..1a7eeebac506 100644 --- a/drivers/i2c/chips/eeprom.c +++ b/drivers/i2c/chips/eeprom.c | |||
@@ -204,12 +204,16 @@ static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind) | |||
204 | goto exit_kfree; | 204 | goto exit_kfree; |
205 | 205 | ||
206 | /* Detect the Vaio nature of EEPROMs. | 206 | /* Detect the Vaio nature of EEPROMs. |
207 | We use the "PCG-" prefix as the signature. */ | 207 | We use the "PCG-" or "VGN-" prefix as the signature. */ |
208 | if (address == 0x57) { | 208 | if (address == 0x57) { |
209 | if (i2c_smbus_read_byte_data(new_client, 0x80) == 'P' | 209 | char name[4]; |
210 | && i2c_smbus_read_byte(new_client) == 'C' | 210 | |
211 | && i2c_smbus_read_byte(new_client) == 'G' | 211 | name[0] = i2c_smbus_read_byte_data(new_client, 0x80); |
212 | && i2c_smbus_read_byte(new_client) == '-') { | 212 | name[1] = i2c_smbus_read_byte(new_client); |
213 | name[2] = i2c_smbus_read_byte(new_client); | ||
214 | name[3] = i2c_smbus_read_byte(new_client); | ||
215 | |||
216 | if (!memcmp(name, "PCG-", 4) || !memcmp(name, "VGN-", 4)) { | ||
213 | dev_info(&new_client->dev, "Vaio EEPROM detected, " | 217 | dev_info(&new_client->dev, "Vaio EEPROM detected, " |
214 | "enabling privacy protection\n"); | 218 | "enabling privacy protection\n"); |
215 | data->nature = VAIO; | 219 | data->nature = VAIO; |