On Sat, Apr 22, 2017 at 07:08:09AM +1200, Chris Packham wrote: > The ADT7475 and ADT7476 have the STRT bit cleared by default[1]. Before any > monitoring activities the STRT bit needs to be set. Logically this needs > to happen before any of the sensors are read so the probe() function > seems the best place for it. > > [1] - https://www.onsemi.com/pub/Collateral/ADT7475-D.PDF > > Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx> Applied. Thanks, Guenter > --- > drivers/hwmon/adt7475.c | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c > index fcfa48222145..c803e3c5fcd4 100644 > --- a/drivers/hwmon/adt7475.c > +++ b/drivers/hwmon/adt7475.c > @@ -59,6 +59,8 @@ > #define REG_VENDID 0x3E > #define REG_DEVID2 0x3F > > +#define REG_CONFIG1 0x40 > + > #define REG_STATUS1 0x41 > #define REG_STATUS2 0x42 > > @@ -1371,6 +1373,17 @@ static int adt7475_probe(struct i2c_client *client, > for (i = 0; i < ADT7475_PWM_COUNT; i++) > adt7475_read_pwm(client, i); > > + /* Start monitoring */ > + switch (chip) { > + case adt7475: > + case adt7476: > + i2c_smbus_write_byte_data(client, REG_CONFIG1, > + adt7475_read(REG_CONFIG1) | 0x01); > + break; > + default: > + break; > + } > + > ret = sysfs_create_group(&client->dev.kobj, &adt7475_attr_group); > if (ret) > return ret; -- To unsubscribe from this list: send the line "unsubscribe linux-hwmon" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
