[PATCH] I2C: Fix Vaio EEPROM detection

Greg KH
2005-03-31T23:41:43Z

ChangeSet 1.2339, 2005/03/31 14:29:23-08:00, khali@linux-fr.org

[PATCH] I2C: Fix Vaio EEPROM detection

This fixes a bug in the eeprom driver, which made all EEPROMs at
location 0x57 be erroneously treated as Vaio EEPROMs. I have to say I'm
quite ashamed that I introduced the bug in the first place, as this was
a really stupid one.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/i2c/chips/eeprom.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)

diff -Nru a/drivers/i2c/chips/eeprom.c b/drivers/i2c/chips/eeprom.c
--- a/drivers/i2c/chips/eeprom.c 2005-03-31 15:17:18 -08:00
+++ b/drivers/i2c/chips/eeprom.c 2005-03-31 15:17:18 -08:00
@@ -210,10 +210,11 @@
if (i2c_smbus_read_byte_data(new_client, 0x80) == 'P'
&& i2c_smbus_read_byte(new_client) == 'C'
&& i2c_smbus_read_byte(new_client) == 'G'
- && i2c_smbus_read_byte(new_client) == '-')
+ && i2c_smbus_read_byte(new_client) == '-') {
dev_info(&new_client->dev, "Vaio EEPROM detected, "
"enabling password protection\n");
data->nature = VAIO;
+ }
}

/* create the sysfs eeprom file */