forked from Minki/linux
hwmon: (ina3221) Add INA3221_CONFIG to volatile_table
The MSB (15th bit) of INA3221_CONFIG is a self-clear reset bit. So this register should be added to the volatile_table of the regmap_config. Otherwise, we will see this bit is sticky in the regcache which might accidentally reset the chip when an actual write happens to the register. This might not be a severe bug for the current code line since there's no second place touching the INA3221_CONFIG except the reset routine in the probe(). Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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c20217b30d
@ -353,7 +353,7 @@ static struct attribute *ina3221_attrs[] = {
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ATTRIBUTE_GROUPS(ina3221);
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ATTRIBUTE_GROUPS(ina3221);
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static const struct regmap_range ina3221_yes_ranges[] = {
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static const struct regmap_range ina3221_yes_ranges[] = {
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regmap_reg_range(INA3221_SHUNT1, INA3221_BUS3),
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regmap_reg_range(INA3221_CONFIG, INA3221_BUS3),
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regmap_reg_range(INA3221_MASK_ENABLE, INA3221_MASK_ENABLE),
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regmap_reg_range(INA3221_MASK_ENABLE, INA3221_MASK_ENABLE),
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};
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};
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