linux-stable.git/drivers/hwmon, branch v3.10.8

hwmon: (adt7470) Fix incorrect return code check

2013-08-15T05:59:06+00:00

commit 93d783bcca69bfacc8dc739d8a050498402587b5 upstream.

In adt7470_write_word_data(), which writes two bytes using
i2c_smbus_write_byte_data(), the return codes are incorrectly AND-ed
together when they should be OR-ed together.

The return code of i2c_smbus_write_byte_data() is zero for success.

The upshot is only the first byte was ever written to the hardware.
The 2nd byte was never written out.

I noticed that trying to set the fan speed limits was not working
correctly on my system.  Setting the fan speed limits is the only
code that uses adt7470_write_word_data().  After making the change
the limit settings work and the alarms work also.

Signed-off-by: Curt Brune 
Signed-off-by: Guenter Roeck 
Signed-off-by: Greg Kroah-Hartman

hwmon: (max6697) fix MAX6581 ideality

2013-08-12T01:35:21+00:00

commit 5c52add19733eb36d8619713312f5604efef3502 upstream.

Without this patch, the values for ideality (register 0x4b) and ideality
selection mask (register 0x4c) are inverted.

Signed-off-by: Vivien Didelot 
Signed-off-by: Guenter Roeck 
Signed-off-by: Greg Kroah-Hartman

hwmon: (nct6775) Drop unsupported fan alarm attributes for NCT6775

2013-07-25T21:07:27+00:00

commit 41fa9a944fce1d7efd5ee3d50ac85b92f42dcc3d upstream.

NCT6775 does not support alarms for fans 4 and 5. Drop the attributes.

Signed-off-by: Guenter Roeck 
Signed-off-by: Greg Kroah-Hartman

hwmon: (nct6775) Fix temperature alarm attributes

2013-07-25T21:07:27+00:00

commit b1d2bff6a61140454b9d203519cc686a2e9ef32f upstream.

Driver displays wrong alarms for temperature attributes.

Turns out that temperature alarm bits are not fixed, but determined
by temperature source mapping. To fix the problem, walk through
the temperature sources to determine the correct alarm bit associated
with a given attribute.

Signed-off-by: Guenter Roeck 
Signed-off-by: Greg Kroah-Hartman

hwmon: (adm1021) Strengthen chip detection for ADM1021, LM84 and MAX1617

2013-06-07T19:29:31+00:00

On a system with both MAX1617 and JC42 sensors, JC42 sensors can be misdetected
as LM84. Strengthen detection sufficiently enough to avoid this misdetection.
Also improve detection for ADM1021.

Modeled after chip detection code in sensors-detect command.

Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck 
Tested-by: Jean Delvare 
Acked-by: Jean Delvare

hwmon: (tmp401) Drop redundant safety on cache lifetime

2013-05-19T15:19:29+00:00

time_after (as opposed to time_after_equal) already ensures that the
cache lifetime is at least as much as requested. There is no point in
manually adding another jiffy to that value, and this can confuse the
reader into wrong interpretation.

Signed-off-by: Jean Delvare 
Cc: Imre Deak 
Cc: Guenter Roeck 
Signed-off-by: Guenter Roeck

hwmon: fix error return code in abituguru_probe()

2013-05-13T15:07:13+00:00

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun 
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck

hwmon: (iio_hwmon) Fix null pointer dereference

2013-05-13T13:43:14+00:00

This patch fixes the null pointer dereference in goto error_release_channels
path when allocate memory for st fails.

Reported-by: Dan Carpenter 
Signed-off-by: Axel Lin 
Signed-off-by: Guenter Roeck

hwmon: (nct6775) Do not create non-existing attributes

2013-05-12T05:55:07+00:00

Overtemperature and hysteresis registers only exist for primary
temperature registers, not for alternates, so do not assign
those registers when initializing alternates.

Signed-off-by: Guenter Roeck

hwmon: (iio_hwmon) Fix missing iio_channel_release_all call if devm_kzalloc fail

2013-05-12T05:55:07+00:00

Signed-off-by: Axel Lin 
Acked-by: Jonathan Cameron 
Signed-off-by: Guenter Roeck