diff options
| author | Jean Delvare <khali@linux-fr.org> | 2012-07-12 22:47:37 +0200 |
|---|---|---|
| committer | Jean Delvare <khali@endymion.delvare> | 2012-07-12 22:47:37 +0200 |
| commit | 41002f8dd5938d5ad1d008ce5bfdbfe47fa7b4e8 (patch) | |
| tree | c09ffb6978413522cc37987a6fdf1bdb19ef6859 | |
| parent | 918227bb1b59444a2c467711fd50cc22bb4a897b (diff) | |
| download | mm-41002f8dd5938d5ad1d008ce5bfdbfe47fa7b4e8.tar.gz | |
hwmon: (it87) Preserve configuration register bits on init
We were accidentally losing one bit in the configuration register on
device initialization. It was reported to freeze one specific system
right away. Properly preserve all bits we don't explicitly want to
change in order to prevent that.
Reported-by: Stevie Trujillo <stevie.trujillo@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | drivers/hwmon/it87.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index e7701d99f8e859..f1de3979181fd2 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -2341,7 +2341,7 @@ static void __devinit it87_init_device(struct platform_device *pdev) /* Start monitoring */ it87_write_value(data, IT87_REG_CONFIG, - (it87_read_value(data, IT87_REG_CONFIG) & 0x36) + (it87_read_value(data, IT87_REG_CONFIG) & 0x3e) | (update_vbat ? 0x41 : 0x01)); } |