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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>
This commit is contained in:
Jean Delvare 2012-12-19 22:17:00 +01:00 committed by Jean Delvare
parent 7e630bb55a
commit 8f3c7c547d
1 changed files with 4 additions and 2 deletions
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6
drivers/hwmon/w83627hf.c
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@ -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) {