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path: root/drivers/hwmon
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2014-10-13hwmon: (ds1621) Update zbits after conversion rate changeRobert Coulson
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: Jiri Slaby <jslaby@suse.cz>
2014-09-03hwmon: (dme1737) Prevent overflow problem when writing large limitsAxel Lin
commit d58e47d787c09fe5c61af3c6ce7d784762f29c3d upstream. On platforms with sizeof(int) < sizeof(long), writing a temperature limit larger than MAXINT will result in unpredictable limit values written to the chip. Avoid auto-conversion from long to int to fix the problem. Voltage limits, fan minimum speed, pwm frequency, pwm ramp rate, and other attributes have the same problem, fix them as well. Zone temperature limits are signed, but were cached as u8, causing unepected values to be reported for negative temperatures. Cache as s8 to fix the problem. vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin <axel.lin@ingics.com> [Guenter Roeck: Fix zone temperature cache] Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-09-03hwmon: (ads1015) Fix out-of-bounds array accessAxel Lin
commit e981429557cbe10c780fab1c1a237cb832757652 upstream. Current code uses data_rate as array index in ads1015_read_adc() and uses pga as array index in ads1015_reg_to_mv, so we must make sure both data_rate and pga settings are in valid value range. Return -EINVAL if the setting is out-of-range. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-09-03hwmon: (lm85) Fix various errors on attribute writesGuenter Roeck
commit 3248c3b771ddd9d31695da17ba350eb6e1b80a53 upstream. Temperature limit register writes did not account for negative numbers. As a result, writing -127000 resulted in -126000 written into the temperature limit register. This problem affected temp[1-3]_min, temp[1-3]_max, temp[1-3]_auto_temp_crit, and temp[1-3]_auto_temp_min. When writing pwm[1-3]_freq, a long variable was auto-converted into an int without range check. Wiring values larger than MAXINT resulted in unexpected register values. When writing temp[1-3]_auto_temp_max, an unsigned long variable was auto-converted into an int without range check. Writing values larger than MAXINT resulted in unexpected register values. vrm is an u8, so the written value needs to be limited to [0, 255]. Cc: Axel Lin <axel.lin@ingics.com> Reviewed-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-09-03hwmon: (ads1015) Fix off-by-one for valid channel index checkingAxel Lin
commit 56de1377ad92f72ee4e5cb0faf7a9b6048fdf0bf upstream. Current code uses channel as array index, so the valid channel value is 0 .. ADS1015_CHANNELS - 1. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-09-03hwmon: (gpio-fan) Prevent overflow problem when writing large limitsAxel Lin
commit 2565fb05d1e9fc0831f7b1c083bcfcb1cba1f020 upstream. On platforms with sizeof(int) < sizeof(unsigned long), writing a rpm value larger than MAXINT will result in unpredictable limit values written to the chip. Avoid auto-conversion from unsigned long to int to fix the problem. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-09-03hwmon: (lm78) Fix overflow problems seen when writing large temperature limitsGuenter Roeck
commit 1074d683a51f1aded3562add9ef313e75d557327 upstream. On platforms with sizeof(int) < sizeof(long), writing a temperature limit larger than MAXINT will result in unpredictable limit values written to the chip. Avoid auto-conversion from long to int to fix the problem. Cc: Axel Lin <axel.lin@ingics.com> Reviewed-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-09-03hwmon: (amc6821) Fix possible race condition bugAxel Lin
commit cf44819c98db11163f58f08b822d626c7a8f5188 upstream. Ensure mutex lock protects the read-modify-write period to prevent possible race condition bug. In additional, update data->valid should also be protected by the mutex lock. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-09-03hwmon: (sis5595) Prevent overflow problem when writing large limitsAxel Lin
commit cc336546ddca8c22de83720632431c16a5f9fe9a upstream. On platforms with sizeof(int) < sizeof(long), writing a temperature limit larger than MAXINT will result in unpredictable limit values written to the chip. Avoid auto-conversion from long to int to fix the problem. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-07-30hwmon: (smsc47m192) Fix temperature limit and vrm write operationsGuenter Roeck
commit 043572d5444116b9d9ad8ae763cf069e7accbc30 upstream. Temperature limit clamps are applied after converting the temperature from milli-degrees C to degrees C, so either the clamp limit needs to be specified in degrees C, not milli-degrees C, or clamping must happen before converting to degrees C. Use the latter method to avoid overflows. vrm is an u8, so the written value needs to be limited to [0, 255]. Cc: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-07-29hwmon: (adt7470) Fix writes to temperature limit registersGuenter Roeck
commit de12d6f4b10b21854441f5242dcb29ea96181e58 upstream. Temperature limit registers are signed. Limits therefore need to be clamped to (-128, 127) degrees C and not to (0, 255) degrees C. Without this fix, writing a limit of 128 degrees C sets the actual limit to -128 degrees C. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-07-29hwmon: (da9052) Don't use dash in the name attributeAxel Lin
commit ee14b644daaa58afe1e91bb9ebd9cf1b18d1f5fa upstream. Dashes are not allowed in hwmon name attributes. Use "da9052" instead of "da9052-hwmon". Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-07-29hwmon: (da9055) Don't use dash in the name attributeAxel Lin
commit 6b00f440dd678d786389a7100a2e03fe44478431 upstream. Dashes are not allowed in hwmon name attributes. Use "da9055" instead of "da9055-hwmon". Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-07-18hwmon: (adm1021) Fix cache problem when writing temperature limitsAxel Lin
commit c024044d4da2c9c3b32933b4235df1e409293b84 upstream. The module test script for the adm1021 driver exposes a cache problem when writing temperature limits. temp_min and temp_max are expected to be stored in milli-degrees C but are stored in degrees C. Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-07-18hwmon: (adm1029) Ensure the fan_div cache is updated in set_fan_divAxel Lin
commit 1035a9e3e9c76b64a860a774f5b867d28d34acc2 upstream. Writing to fanX_div does not clear the cache. As a result, reading from fanX_div may return the old value for up to two seconds after writing a new value. This patch ensures the fan_div cache is updated in set_fan_div(). Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-07-18hwmon: (adm1031) Fix writes to limit registersGuenter Roeck
commit 145e74a4e5022225adb84f4e5d4fff7938475c35 upstream. Upper limit for write operations to temperature limit registers was clamped to a fractional value. However, limit registers do not support fractional values. As a result, upper limits of 127.5 degrees C or higher resulted in a rounded limit of 128 degrees C. Since limit registers are signed, this was stored as -128 degrees C. Clamp limits to (-55, +127) degrees C to solve the problem. Value on writes to auto_temp[12]_min and auto_temp[12]_max were not clamped at all, but masked. As a result, out-of-range writes resulted in a more or less arbitrary limit. Clamp those attributes to (0, 127) degrees C for more predictable results. Cc: Axel Lin <axel.lin@ingics.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-07-18hwmon: (emc2103) Clamp limits instead of bailing outGuenter Roeck
commit f6c2dd20108c35e30e2c1f3c6142d189451a626b upstream. It is customary to clamp limits instead of bailing out with an error if a configured limit is out of the range supported by the driver. This simplifies limit configuration, since the user will not typically know chip and/or driver specific limits. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-07-18hwmon: (amc6821) Fix permissions for temp2_inputAxel Lin
commit df86754b746e9a0ff6f863f690b1c01d408e3cdc upstream. temp2_input should not be writable, fix it. Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-07-17hwmon: (ina2xx) Cast to s16 on shunt and current regsFabio Baltieri
commit c0214f98943b1fe43f7be61b7782b0c8f0836f28 upstream. All devices supported by ina2xx are bidirectional and report the measured shunt voltage and power values as a signed 16 bit, but the current driver implementation caches all registers as u16, leading to an incorrect sign extension when reporting to userspace in ina2xx_get_value(). This patch fixes the problem by casting the signed registers to s16. Tested on an INA219. Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-06-20hwmon: (ntc_thermistor) Fix OF device ID mappingJean Delvare
commit ead82d6792ef5c600d535bca6ec50a4da14ff7c7 upstream. The mapping from OF device IDs to platform device IDs is wrong. TYPE_NCPXXWB473 is 0, TYPE_NCPXXWL333 is 1, so ntc_thermistor_id[TYPE_NCPXXWB473] is { "ncp15wb473", TYPE_NCPXXWB473 } while ntc_thermistor_id[TYPE_NCPXXWL333] is { "ncp18wb473", TYPE_NCPXXWB473 }. So the name is wrong for all but the "ntc,ncp15wb473" entry, and the type is wrong for the "ntc,ncp15wl333" entry. So map the entries by index, it is neither elegant nor robust but at least it is correct. Signed-off-by: Jean Delvare <jdelvare@suse.de> Fixes: 9e8269de hwmon: (ntc_thermistor) Add DT with IIO support to NTC thermistor driver Reviewed-by: Guenter Roeck <linux@roeck-us.net> Cc: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Cc: Doug Anderson <dianders@chromium.org> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-06-20hwmon: (ntc_thermistor) Fix dependenciesJean Delvare
commit 59cf4243e557aa64ab2ef51280454aa1f3828e14 upstream. In commit 9e8269de, support was added for ntc_thermistor devices being declared in the device tree and implemented on top of IIO. With that change, a dependency was added to the ntc_thermistor driver: depends on (!OF && !IIO) || (OF && IIO) This construct has the drawback that the driver can no longer be selected when OF is set and IIO isn't, nor when IIO is set and OF is not. This is a regression for the original users of the driver. As the new code depends on IIO and is useless without OF, include it only if both are enabled, and set the dependencies accordingly. This is clearer, more simple and more correct. Signed-off-by: Jean Delvare <jdelvare@suse.de> Fixes: 9e8269de hwmon: (ntc_thermistor) Add DT with IIO support to NTC thermistor driver Reviewed-by: Guenter Roeck <linux@roeck-us.net> Cc: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Cc: Doug Anderson <dianders@chromium.org> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-06-06hwmon: (emc1403) Support full range of known chip revision numbersJosef Gajdusek
commit 3a18e1398fc2dc9c32bbdc50664da3a77959a8d1 upstream. The datasheet for EMC1413/EMC1414, which is fully compatible to EMC1403/1404 and uses the same chip identification, references revision numbers 0x01, 0x03, and 0x04. Accept the full range of revision numbers from 0x01 to 0x04 to make sure none are missed. Signed-off-by: Josef Gajdusek <atx@atx.name> [Guenter Roeck: Updated headline and description] Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-06-06hwmon: (emc1403) fix inverted store_hyst()Josef Gajdusek
commit 17c048fc4bd95efea208a1920f169547d8588f1f upstream. Attempts to set the hysteresis value to a temperature below the target limit fails with "write error: Numerical result out of range" due to an inverted comparison. Signed-off-by: Josef Gajdusek <atx@atx.name> Reviewed-by: Jean Delvare <jdelvare@suse.de> [Guenter Roeck: Updated headline and description] Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-03-05hwmon: (max1668) Fix writing the minimum temperatureGuenter Roeck
commit 500a91571f0a5d0d3242d83802ea2fd1faccc66e upstream. When trying to set the minimum temperature, the driver was erroneously writing the maximum temperature into the chip. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-02-22hwmon: (ntc_thermistor) Avoid math overflowDoug Anderson
commit d3d89c468ceebbcf9423d1a3d66c5bf91f569570 upstream. The ntc thermistor code was doing math whose temporary result might have overflowed 32-bits. We need some casts in there to make it safe. In one example I found: - pullup_uV: 1800000 - result of iio_read_channel_raw: 3226 - 1800000 * 3226 => 0x15a1cbc80 Signed-off-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-06hwmon: (k10temp) Add support for Kaveri CPUsPhil Pokorny
commit d303b1b5fbb688282bbf72a534b9dfed7af9fe4f upstream. Add new PCI ID to support new model "Kaveri" family. Signed-off-by: Philip Pokorny <ppokorny@penguincomputing.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-25hwmon: (coretemp) Fix truncated name of alarm attributesJean Delvare
commit 3f9aec7610b39521c7c69d754de7265f6994c194 upstream. When the core number exceeds 9, the size of the buffer storing the alarm attribute name is insufficient and the attribute name is truncated. This causes libsensors to skip these attributes as the truncated name is not recognized. Reported-by: Andreas Hollmann <hollmann@in.tum.de> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-20hwmon: (w83l768ng) Fix fan speed control rangeJean Delvare
commit 33a7ab91d509fa33b4bcd3ce0038cc80298050da upstream. The W83L786NG stores the fan speed on 4 bits while the sysfs interface uses a 0-255 range. Thus the driver should scale the user input down to map it to the device range, and scale up the value read from the device before presenting it to the user. The reserved register nibble should be left unchanged. Signed-off-by: Jean Delvare <khali@linux-fr.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-20hwmon: (w83l786ng) Fix fan speed control mode setting and reportingBrian Carnes
commit cf7559bc053471f32373d71d04a9aa19e0b48d59 upstream. The wrong mask is used, which causes some fan speed control modes (pwmX_enable) to be incorrectly reported, and some modes to be impossible to set. [JD: add subject and description.] Signed-off-by: Brian Carnes <bmcarnes@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-20hwmon: HIH-6130: Support I2C bus drivers without I2C_FUNC_SMBUS_QUICKJosé Miguel Gonçalves
commit efabcc2123f0ed47870033b8d6fc73b50d76d635 upstream. Some I2C bus drivers do not allow zero-length data transfers which are required to start a measurement with the HIH6130/1 sensor. Nevertheless, we can overcome this limitation by writing a zero dummy byte. This byte is ignored by the sensor and was verified to be working with the OMAP I2C bus driver in a BeagleBone board. Signed-off-by: José Miguel Gonçalves <jose.goncalves@inov.pt> [Guenter Roeck: Simplified complexity of write_length initialization] Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-20hwmon: Prevent some divide by zeros in FAN_TO_REG()Dan Carpenter
commit 3806b45ba4655147a011df03242cc197ab986c43 upstream. The "rpm * div" operations can overflow here, so this patch adds an upper limit to rpm to prevent that. Jean Delvare helped me with this patch. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Roger Lucas <vt8231@hiddenengine.co.uk> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-29hwmon: (lm90) Fix max6696 alarm handlingGuenter Roeck
commit e41fae2b1ed8c78283d73651cd65be0228c0dd1c upstream. Bit 2 of status register 2 on MAX6696 (external diode 2 open) sets ALERT; the bit thus has to be listed in alert_alarms. Also display a message in the alert handler if the condition is encountered. Even though not all overtemperature conditions cause ALERT to be set, we should not ignore them in the alert handler. Display messages for all out-of-range conditions. Reported-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-09hwmon: (applesmc) Always read until end of dataHenrik Rydberg
The crash reported and investigated in commit 5f4513 turned out to be caused by a change to the read interface on newer (2012) SMCs. Tests by Chris show that simply reading the data valid line is enough for the problem to go away. Additional tests show that the newer SMCs no longer wait for the number of requested bytes, but start sending data right away. Apparently the number of bytes to read is no longer specified as before, but instead found out by reading until end of data. Failure to read until end of data confuses the state machine, which eventually causes the crash. As a remedy, assuming bit0 is the read valid line, make sure there is nothing more to read before leaving the read function. Tested to resolve the original problem, and runtested on MBA3,1, MBP4,1, MBP8,2, MBP10,1, MBP10,2. The patch seems to have no effect on machines before 2012. Tested-by: Chris Murphy <chris@cmurf.com> Cc: stable@vger.kernel.org Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-09-26hwmon: (applesmc) Check key count before proceedingHenrik Rydberg
After reports from Chris and Josh Boyer of a rare crash in applesmc, Guenter pointed at the initialization problem fixed below. The patch has not been verified to fix the crash, but should be applied regardless. Reported-by: <jwboyer@fedoraproject.org> Suggested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-09-12hwmon: (k10temp) remove unnecessary pci_set_drvdata()Jingoo Han
The driver core clears the driver data to NULL after device_release or on probe failure. Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-09-11hwmon: (tmp421) Fix return valueSachin Kamat
Propagate return value obtained from i2c_smbus_read_byte_data() instead of hardcoding. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Andre Prendel <andre.prendel@gmx.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-09-11hwmon: (amc6821) Remove redundant breakSachin Kamat
'break' after return or goto has no effect. Remove it. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: T. Mertelj <tomaz.mertelj@guest.arnes.si> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-09-11hwmon: (amc6821) Fix return valueSachin Kamat
Propagate return value obtained from i2c_smbus_read_byte_data() instead of hardcoding. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: T. Mertelj <tomaz.mertelj@guest.arnes.si> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-09-11hwmon: (ibmaem) Fix return valueSachin Kamat
Propagate appropriate error code obtained from ipmi_create_user() instead of hardcoding. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Darrick J. Wong <darrick.wong@oracle.com> Acked-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-09-11hwmon: (emc2103) Fix return valueSachin Kamat
kstrtol() returns appropriate error values. Use those instead of hardcoding. Silences several sparse messages of following type: "why not propagate 'result' from kstrtol() instead of (-22)?" Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Steve Glendinning <steve.glendinning@shawell.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-09-10hwmon: (ina2xx) Remove casting the return value which is a void pointerJingoo Han
Casting the return value which is a void pointer is redundant. The conversion from void pointer to any other pointer type is guaranteed by the C programming language. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-09-10hwmon: (hwmon-vid) Add __maybe_unused attribute to dummy variableGuenter Roeck
This gets rid of this warning: drivers/hwmon/hwmon-vid.c: In function 'get_via_model_d_vrm': drivers/hwmon/hwmon-vid.c:249:27: warning: variable 'dummy' set but not used [-Wunused-but-set-variable] Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Jean Delvare <khali@linux-fr.org>
2013-09-07Merge branch 'hwmon-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging Pull hwmon fixes from Jean Delvare. * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (emc6w201) Do not declare enum variable hwmon: (w83792d) Update module author
2013-09-06hwmon: (emc6w201) Do not declare enum variableGuenter Roeck
Fix the following smatch warning: emc6w201.c:52:26: warning: symbol 'subfeature' was not declared. Should it be static? 'enum { } subtype' declares an enum as (global) variable which we don't want. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2013-09-06hwmon: (w83792d) Update module authorShane Huang
w83792d was written by me in 2004, I'd like to update my first name into my current one to keep consistent, and delete invalid address. Signed-off-by: Shane Huang <shane.huang@amd.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2013-09-03Merge tag 'hwmon-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon updates from Guenter Roeck: - new driver for HTU21D (humidity sensor) - add support for Fam16h (Kabini) to k10temp - add support for NCT6102D/6106D and NCT6791D to nct6775 driver - add support for ADS1115 to ads1015 driver - add support for hibernate to w83627ehf and nct6775 drivers - some minor cleanups * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (htu21) Add Measurement Specialties HTU21D support hwmon: Change my email address. hwmon: (k10temp) Add support for Fam16h (Kabini) hwmon: (adt7462) ADT7462_REG_VOLT_MAX() should return 0 hwmon: (ads1015) Add support for ADS1115 hwmon: (w83627ehf) Add support for hibernate hwmon: (nct6775) Add support for hibernate hwmon: use dev_get_platdata() hwmon: (nct6775) Fix size of data->temp array hwmon: (nct6775) Avoid using device platform data outside probe function hwmon: (nct6775) Add support for NCT6791D hwmon: (nct6775) Add support for beep attributes hwmon: (nct6775) Add support for critical low/high temperature limits on NCT6106 hwmon: (nct6775) Add support for NCT6102D/6106D hwmon: (nct6775) Support two SuperIO chips in the same system hwmon: (nct6775) Allocate attributes dynamically from templates hwmon: (coretemp) Atom CPUs don't support TjMax; no warning needed
2013-09-01Merge remote-tracking branch 'regulator/topic/optional' into regulator-nextMark Brown
2013-08-29hwmon: (htu21) Add Measurement Specialties HTU21D supportWilliam Markezana
Signed-off-by: William Markezana <william.markezana@meas-spec.com> [Guenter Roeck - minor formatting changes] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-08-27hwmon: Change my email address.Darrick J. Wong
I've changed employers, so change the email addresses to match. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-08-27hwmon: (k10temp) Add support for Fam16h (Kabini)Wei Hu
The temperature reporting interface stays the same, so we just add the PCI-ID to the list. Verified on AMD Olive Hill. Signed-off-by: Wei Hu <wei@aristanetworks.com> Acked-by: Clemens Ladisch <clemens@ladisch.de> Cc: stable@vger.kernel.org # 3.10+ Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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