hwmon: (ds1621) Update zbits after conversion rate change

commit 39c627a084475e8a690a4a9e7601410ca173ddd2 upstream.

After the conversion rate is changed, the zbits are not updated,
but should be, since they are used later in the set_temp function.

Fixes: a50d9a4d9ad3 ("hwmon: (ds1621) Fix temperature rounding operations")
Reported-by: Murat Ilsever <murat.ilsever@gmail.com>
Signed-off-by: Robert Coulson <rob.coulson@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index fc6f5d54e7f755282025045f843ba62dcff68fa9..8890870309e4db7f5f875c202756006b3323538b 100644 (file)
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -309,6 +309,7 @@ static ssize_t set_convrate(struct device *dev, struct device_attribute *da,
        data->conf |= (resol << DS1621_REG_CONFIG_RESOL_SHIFT);
        i2c_smbus_write_byte_data(client, DS1621_REG_CONF, data->conf);
        data->update_interval = ds1721_convrates[resol];
+       data->zbits = 7 - resol;
        mutex_unlock(&data->update_lock);
 
        return count;