Hi Greg, all,
The LM75 initialization is a bit agressive, it arbitrarily reconfigures
the chip. Make it only change the bit it needs. This is a port from
the 2.4 kernel version of the driver (lm_sensors).
Signed-off-by: Jean Delvare <khali at linux-fr.org>
drivers/hwmon/lm75.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
--- linux-2.6.13-rc3.orig/drivers/hwmon/lm75.c 2005-07-16 09:53:09.000000000 +0200
+++ linux-2.6.13-rc3/drivers/hwmon/lm75.c 2005-07-16 17:35:18.000000000 +0200
@@ -264,8 +264,12 @@
static void lm75_init_client(struct i2c_client *client)
{
- /* Initialize the LM75 chip */
- lm75_write_value(client, LM75_REG_CONF, 0);
+ int reg;
+
+ /* Enable if in shutdown mode */
+ reg = lm75_read_value(client, LM75_REG_CONF);
+ if (reg >= 0 && (reg & 0x01))
+ lm75_write_value(client, LM75_REG_CONF, reg & 0xfe);
}
static struct lm75_data *lm75_update_device(struct device *dev)
--
Jean Delvare
