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Commit e647ecf1 authored by Jean Delvare's avatar Jean Delvare Committed by Greg Kroah-Hartman
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[PATCH] hwmon: soften lm75 initialization 



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: default avatarJean Delvare <khali@linux-fr.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 17f990c8

drivers/hwmon/lm75.c

+6 −2
Original line number Diff line number Diff line
@@ -251,8 +251,12 @@ static int lm75_write_value(struct i2c_client *client, u8 reg, u16 value) 


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)