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hwmon: (atxp1) Fix device detection logic

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The atxp1 device detection code has a major logic flaw, fix it. Not
sure how we managed to miss this when the driver was merged...

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Sebastian Witt <se.witt@gmx.net>
This commit is contained in:
Jean Delvare 2008-09-20 10:25:19 +02:00 committed by Jean Delvare
parent 9824b8f113
commit 13b3c3fa27
1 changed files with 9 additions and 9 deletions
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18
drivers/hwmon/atxp1.c
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@ -31,7 +31,7 @@
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("System voltages control via Attansic ATXP1");
MODULE_VERSION("0.6.2");
MODULE_VERSION("0.6.3");
MODULE_AUTHOR("Sebastian Witt <se.witt@gmx.net>");
#define ATXP1_VID 0x00
@ -289,16 +289,16 @@ static int atxp1_detect(struct i2c_client *new_client, int kind,
if (!((i2c_smbus_read_byte_data(new_client, 0x3e) == 0) &&
(i2c_smbus_read_byte_data(new_client, 0x3f) == 0) &&
(i2c_smbus_read_byte_data(new_client, 0xfe) == 0) &&
(i2c_smbus_read_byte_data(new_client, 0xff) == 0) )) {
(i2c_smbus_read_byte_data(new_client, 0xff) == 0)))
return -ENODEV;
/* No vendor ID, now checking if registers 0x10,0x11 (non-existent)
* showing the same as register 0x00 */
temp = i2c_smbus_read_byte_data(new_client, 0x00);
/* No vendor ID, now checking if registers 0x10,0x11 (non-existent)
* showing the same as register 0x00 */
temp = i2c_smbus_read_byte_data(new_client, 0x00);
if (!((i2c_smbus_read_byte_data(new_client, 0x10) == temp) &&
(i2c_smbus_read_byte_data(new_client, 0x11) == temp) ))
return -ENODEV;
}
if (!((i2c_smbus_read_byte_data(new_client, 0x10) == temp) &&
(i2c_smbus_read_byte_data(new_client, 0x11) == temp)))
return -ENODEV;
/* Get VRM */
temp = vid_which_vrm();