diff options
| author | Jean Delvare <khali@linux-fr.org> | 2012-12-20 01:17:00 +0400 |
|---|---|---|
| committer | Jean Delvare <khali@endymion.delvare> | 2012-12-20 01:17:00 +0400 |
| commit | 8f3c7c547d47bcfcf9ca2ed30b79733ce1e7ad3a (patch) | |
| tree | 9cbb66aade67d1550a25101e8b75d9c65d7b6159 /drivers/hwmon | |
| parent | 7e630bb55a52cfaa35011c0ebc2efc96f13e5135 (diff) | |
| download | linux-8f3c7c547d47bcfcf9ca2ed30b79733ce1e7ad3a.tar.xz | |
hwmon: (w83627hf) Don't touch nonexistent I2C address registers
Only the W83627HF could be accessed through I2C. All other supported
chips are LPC-only, so they do not have I2C address registers. Don't
write to nonexistent or reserved registers on these chips.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/w83627hf.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index 9170746e9743..81f486520cea 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -1732,8 +1732,10 @@ static void w83627hf_init_device(struct platform_device *pdev) /* Minimize conflicts with other winbond i2c-only clients... */ /* disable i2c subclients... how to disable main i2c client?? */ /* force i2c address to relatively uncommon address */ - w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); - w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); + if (type == w83627hf) { + w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); + w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); + } /* Read VID only once */ if (type == w83627hf || type == w83637hf) { |