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path: root/drivers/hwmon
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2009-07-28hwmon: (asus_atk0110) Fix upper limit readingsLuca Tettamanti1-1/+5
On newer Asus boards the "upper" limit of a sensor is encoded as delta from the "lower" limit. Fix the driver to correctly handle this case. Signed-off-by: Luca Tettamanti <kronos.it@gmail.com> Tested-by: Alex Macfarlane Smith <nospam@archifishal.co.uk> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-07-28hwmon: (smsc47m1) Differentiate between LPC47M233 and LPC47M292Jean Delvare1-0/+11
The SMSC LPC47M233 and LPC47M292 chips have the same device ID but are not compatible. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Juerg Haefliger <juergh@gmail.com> Acked-by: Hans de Goede <hdegoede@redhat.com>
2009-07-11hwmon: (abituguru3) DMI probing for AB9, AB9 QuadQT and IX38 QuadGTAlistair John Strachan1-3/+3
Switch the AB9, AB9 QuadQT and IX38 QuadGT over from port probing to the preferred DMI probe method. Signed-off-by: Alistair John Strachan <alistair@devzero.co.uk> Tested-by: dan <dan@deeog.com> Tested-by: Nygel Lyndley <nygel.lyndley@gmail.com> Tested-by: Dmitriy Fedchenko <dmitriy-fedc@yandex.ru> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-07-11hwmon: (sht15) Remove unnecessary semicolonJoe Perches1-1/+1
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-07-11hwmon: (max6650) Fix lock imbalanceJiri Slaby1-0/+1
Add omitted update_lock to one switch/case in set_div. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Acked-by: Hans J. Koch <hjk@linutronix.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-06-16Merge branch 'akpm'Linus Torvalds5-133/+106
* akpm: (182 commits) fbdev: bf54x-lq043fb: use kzalloc over kmalloc/memset fbdev: *bfin*: fix __dev{init,exit} markings fbdev: *bfin*: drop unnecessary calls to memset fbdev: bfin-t350mcqb-fb: drop unused local variables fbdev: blackfin has __raw I/O accessors, so use them in fb.h fbdev: s1d13xxxfb: add accelerated bitblt functions tcx: use standard fields for framebuffer physical address and length fbdev: add support for handoff from firmware to hw framebuffers intelfb: fix a bug when changing video timing fbdev: use framebuffer_release() for freeing fb_info structures radeon: P2G2CLK_ALWAYS_ONb tested twice, should 2nd be P2G2CLK_DAC_ALWAYS_ONb? s3c-fb: CPUFREQ frequency scaling support s3c-fb: fix resource releasing on error during probing carminefb: fix possible access beyond end of carmine_modedb[] acornfb: remove fb_mmap function mb862xxfb: use CONFIG_OF instead of CONFIG_PPC_OF mb862xxfb: restrict compliation of platform driver to PPC Samsung SoC Framebuffer driver: add Alpha Channel support atmel-lcdc: fix pixclock upper bound detection offb: use framebuffer_alloc() to allocate fb_info struct ... Manually fix up conflicts due to kmemcheck in mm/slab.c
2009-06-16lis3: add click functionDaniel Mack3-1/+39
The LIS302DL accelerometer chip has a 'click' feature which can be used to detect sudden motion on any of the three axis. Configuration data is passed via spi platform_data and no action is taken if that's not specified, so it won't harm any existing platform. To make the configuration effective, the IRQ lines need to be set up appropriately. This patch also adds a way to do that from board support code. The DD_* definitions were factored out to an own enum because they are specific to LIS3LV02D devices. Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-16lis3: add three new laptop modelsEric Piel1-2/+5
Separate the 6710 and 6715, and set the right axis information for the 6715. Reported-by: Isaac702 <isaac702@gmail.com> Add the 6930. Reported-by: Christian Weidle <slateroni@gmail.com> Add the 2710. Reported-by: Pavel Herrmann <morpheus.ibis@gmail.com> Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-16lis3: use input_polled_deviceEric Piel4-55/+29
Now that there is no need to hookup on the open/close of the joystick, it's possible to use the simplified interface input_polled_device, instead of creating our own kthread. [randy.dunlap@oracle.com: fix Kconfig] [randy.dunlap@oracle.com: fix Kconfig some more] Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-16lis3: remove automatic shutdown of the deviceEric Piel3-71/+32
After measurement on my laptop, it seems that turning off the device does not bring any energy saving (within 0.1W precision). So let's keep the device always on. It simplifies the code, and it avoids the problem of reading a wrong value sometimes just after turning the device on. Moreover, since commit ef2cfc790bf5f0ff189b01eabc0f4feb5e8524df had been too zealous, the device was actually never turned off anyway. This patch also restores the damages done by this commit concerning the initialisation/poweroff. Also do more clean up with the usage of the lis3_dev global variable. Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-16lis3: fix misc device unregistering and printkEric Piel1-5/+2
Can only unregister the misc device if it was registered before. Also remove debugging messages, which in addition were not properly formated. Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-15hwmon: (max6650) Add support for alarmsChristian Engelmayer1-1/+85
Export the alarm flags provided by the MAX6650/MAX6651 fan-speed regulator and monitor chips via sysfs. Signed-off-by: Christian Engelmayer <christian.engelmayer@frequentis.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-06-15hwmon: (f71882fg) Add support for the F71858FHans de Goede2-38/+158
Add support for the hwmon part of the Fintek F71858FG superio IC to the f71882fg driver. Many thanks to Jelle de Jong for lending me a motherboard with this superio on it. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-06-15hwmon: (f71882fg) Add temp#_fault sysfs attr for f8000Hans de Goede1-0/+3
While working on f71852fg support I noticed that the f8000 sysfs attr table was missing entries for temp#_fault, which the f8000 does have and which we were already reading. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-06-15hwmon: (f71882fg) Sanity check f8000 pwm settingsHans de Goede1-13/+23
We depend up on the pwm_enable register (0x96) not containing any reserved settings in various places. We were already checking to make sure there were no reserved settings in the register for the f71862fg, this patch adds the same checking for the f8000, while at it it also moves the code to a more apropriate place so we don't need to check if the fan/pwm part of the IC is enabled twice. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-06-15hwmon: (f71882fg) Cleanup f8000 pwm handlingHans de Goede1-9/+8
Currently we are using separate per model sysfs attr for the 3th pwm, because the 3th pwm of the f8000 only has automatic mode and not manual mode. Doing things this way was getting in the way for adding f71858fg support, so this patch makes the pwm attr identical for all models, and instead adds a check to store_pwm_enable() disallowing setting the 3th pwm to manual mode on a f8000 IC. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-06-15hwmon: PCI quirk for hwmon access on MSI MS-7031 boardJean Delvare1-0/+29
The MSI MS-7031 is based on an ATI IXP300 south bridge. On this south bridge, accessible I/O ports must be enabled explicitly. Unfortunately the BIOS forgets to enable access to the hardware monitoring chip I/O ports, so hardware monitoring fails. Add a quirk enabling access to the required ports (0x295-0x296). This is exactly what MSI's own hardware monitoring application is doing, so it has to be the right way. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-06-15hwmon: (w83627ehf) Add W83627DHG-P supportJean Delvare1-1/+9
Add support for the new incarnation of the Winbond/Nuvoton W83627DHG chip known as W83627DHG-P. It is basically the same as the original W83627DHG with an additional automatic can speed control mode (not supported by the driver yet.) Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Madhu <madhu.chinakonda@gmail.com>
2009-06-15hwmon: (tmp401) Add support for TI's TMP411 sensors chipAndre Prendel1-24/+149
This adds support for TI's TMP411 sensor chip. Preliminary support were done by Gabriel Konat, Sander Leget and Wouter Willems. The chip is compatible with TI's TMP401 sensor chip. It has additional support for historical minimun/maximum measurements. Signed-off-by: Andre Prendel <andre.prendel@gmx.de> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-06-15hwmon: (tmp401) Add support for TI's TMP401 sensor chipHans de Goede3-0/+576
This is a new hwmon driver for TI's TMP401 temperature sensor IC. This driver was written on behalf of an embedded systems vendor under the Linux driver project. It has been tested using a TI TMP401 sample attached to a i2c-tiny-usb adapter. Which was provided by Till Harbaum, many thanks to him for this! Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-06-15hwmon: (ibmaem) Automatically load on HC10 bladeDarrick J. Wong2-1/+2
Enable auto-probing for the HC10 blade and amend the supported system list. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-06-15hwmon: Fix more __devexit_p glitchesJean Delvare2-6/+6
Make sure __devexit and devexit_p() match in all hwmon drivers. Suggested by a similar fix from Mike Frysinger. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
2009-06-01hwmon: (lm78) Add missing __devexit_p()Mike Frysinger1-1/+1
The remove function uses __devexit, so the .remove assignment needs __devexit_p() to fix a build error with hotplug disabled. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-05-08hwmon: (w83781d) Fix W83782D support (NULL pointer dereference)Jean Delvare1-1/+2
Commit 360782dde00a2e6e7d9fd57535f90934707ab8a8 (hwmon: (w83781d) Stop abusing struct i2c_client for ISA devices) broke W83782D support for devices connected on the ISA bus. You will hit a NULL pointer dereference as soon as you read any device attribute. Other devices, and W83782D devices on the SMBus, aren't affected. Reported-by: Michel Abraham Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Michel Abraham
2009-05-08hwmon: (asus_atk0110) Fix compiler warningLuca Tettamanti1-0/+2
atk_sensor_type is only used when DEBUG is defined. Signed-off-by: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-04-13hwmon: sht15 humidity sensor driverJonathan Cameron3-0/+703
Data sheet at: http://www.sensirion.ch/en/pdf/product_information/Datasheet-humidity-sensor-SHT1x.pdf These sensors communicate over a 2 wire bus running a device specific protocol. The complexity of the driver is mainly due to handling the substantial delays between requesting a reading and the device pulling the data line low to indicate that the data is available. This is handled by an interrupt that is disabled under all other conditions. I wasn't terribly clear on the best way to handle this, so comments on that aspect would be particularly welcome! Interpretation of the temperature depends on knowing the supply voltage. If configured in a board config as a regulator consumer this is obtained from the regulator subsystem. If not it should be provided in the platform data. I've placed this driver in the hwmon subsystem as it is definitely a device that may be used for hardware monitoring and with it's relatively slow response times (up to 120 millisecs to get a reading) a caching strategy certainly seems to make sense! Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13hp_accel: remove unused #include <version.h>Huang Weiyi1-1/+0
Remove unused #include <version.h> in drivers/hwmon/hp_accel.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-07Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds4-65/+1069
* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: hwmon: Add Asus ATK0110 support hwmon: (lm95241) Convert to new-style i2c driver
2009-04-07hwmon: add support for GMT G760A fan speed PWM controllerHerbert Valerio Riedel3-0/+283
This controller can be found on the D-Link DNS-323 for instance, where it is to be configured via static i2c_board_info in the board-specific mach-orion/dns323-setup.c; this driver supports only the new-style driver model. Tested-by: Martin Michlmayr <tbm@cyrius.com> Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org> Signed-off-by: Matthew Palmer <mpalmer@debian.org> Signed-off-by: Laurie Bradshaw <bradshaw.laurie@googlemail.com> Signed-off-by: Martin Michlmayr <tbm@cyrius.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-07hwmon: Add Asus ATK0110 supportLuca Tettamanti3-0/+1022
Asus boards have an ACPI interface for interacting with the hwmon (fan, temperatures, voltages) subsystem; this driver exposes the relevant information via the standard sysfs interface. There are two different ACPI interfaces: - an old one (based on RVLT/RFAN/RTMP) - a new one (GGRP/GITM) Both may be present but there a few cases (my board, sigh) where the new interface is just an empty stub; the driver defaults to the old one when both are present. The old interface has received a considerable testing, but I'm still awaiting confirmation from my tester that the new one is working as expected (hence the debug code is still enabled). Currently all the attributes are read-only, though a (partial) control should be possible with a bit more work. Signed-off-by: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-04-07hwmon: (lm95241) Convert to new-style i2c driverJean Delvare1-65/+47
The legacy i2c binding model is going away really soon now, so convert the lm95241 driver to the new binding model or it will break. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Davide Rizzo <elpa.rizzo@gmail.com>
2009-04-03Merge branch 'for-linus' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (28 commits) trivial: Update my email address trivial: NULL noise: drivers/mtd/tests/mtd_*test.c trivial: NULL noise: drivers/media/dvb/frontends/drx397xD_fw.h trivial: Fix misspelling of "Celsius". trivial: remove unused variable 'path' in alloc_file() trivial: fix a pdlfush -> pdflush typo in comment trivial: jbd header comment typo fix for JBD_PARANOID_IOFAIL trivial: wusb: Storage class should be before const qualifier trivial: drivers/char/bsr.c: Storage class should be before const qualifier trivial: h8300: Storage class should be before const qualifier trivial: fix where cgroup documentation is not correctly referred to trivial: Give the right path in Documentation example trivial: MTD: remove EOL from MODULE_DESCRIPTION trivial: Fix typo in bio_split()'s documentation trivial: PWM: fix of #endif comment trivial: fix typos/grammar errors in Kconfig texts trivial: Fix misspelling of firmware trivial: cgroups: documentation typo and spelling corrections trivial: Update contact info for Jochen Hein trivial: fix typo "resgister" -> "register" ...
2009-04-01lis3: SPI transport layerDaniel Mack3-0/+131
Make use of the new abstraction layer and add a new transport layer for spi. Works fine on a PXA based board. Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Eric Piel <eric.piel@tremplin-utc.net> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01lis3: solve dependency between core and ACPIDaniel Mack3-100/+105
This solves the dependency between lis3lv02d.[ch] and ACPI specific methods. It introduces a ->bus_priv pointer to the device struct which is casted to 'struct acpi_device' in the ACIP layer. Changed hp_accel.c accordingly. Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01lis3: reorder functions to make forward decl obsoleteDaniel Mack1-33/+31
Move lis3lv02d_init_device() down so that the forward declaration of lis3lv02d_add_fs() becomes unnecessary. Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01hp_accel: axis conversion for hp compaq 8710wLuca Cappa1-0/+1
I have a laptop HP Compaq 8710W, I compiled into my kernel the LIS3LV02DL and HP_ACCEL module drivers. While loading it cannot recognize the laptop model, so i am sending the necessary information to update the database of axis orientations. >When the laptop is horizontal the position reported is about 0 for X and Y >and a positive value for Z Yes, it is about 0,0,1000, the actual reading says: (-17,-26,1018); > If the left side is elevated, X increases (becomes positive) Yes, X goes toward to positive 1000. >If the front side (where the touchpad is) is elevated, Y decreases (becomes negative) No, Y goes toward to positive 1000. >If the laptop is put upside-down, Z becomes negative Yes, the laptop on a table Z gives 1000, and if upsidedown the Z reads -1000. So in few words the Y axis is inverted. Cc: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01hp_accel: add two more axis informationPavel Machek1-0/+2
Add two more laptops to whitelist. Signed-off-by: Michal Marek <mmarek@suse.cz> Signed-off-by: Pavel Machek <pavel@ucw.cz> Cc: Daniel Mack <daniel@caiaq.de> Cc: Eric Piel <eric.piel@tremplin-utc.net> Cc: Vladimir Botka <vbotka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01hwmon: Add LTC4215 driverIra Snyder3-0/+376
Add Linux support for the Linear Technology LTC4215 Hot Swap controller I2C monitoring interface. I have tested the driver with my board, and it appears to work fine. With the power supplies disabled, it reads 11.93V input, 1.93V output, no current and no power. With the supplies enabled, it reads 11.93V input, 11.98V output, no current, no power. I'm not drawing any current at the moment, so this is reasonable. The value in the sense register never reads anything except 0, so I expect to get zero from the current and power calculations. I didn't attempt to support changing any of the chip's settings or enabling the FET. I'm not sure even how to do that and still fit within the hwmon framework. :) Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Cc: Jean Delvare <khali@linux-fr.org> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01hwmon: LM95241 driverDavide Rizzo3-0/+537
An hwmon driver for the National Semiconductor LM95241 triple temperature sensors chip Signed-off-by: Davide Rizzo <elpa-rizzo@gmail.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01hp_accel: adev is poor name of exported symbolPavel Machek3-106/+116
As Andrew noted, adev is pretty poor name for symbol being exported. Rename it to lis3. Signed-off-by: Pavel Machek <pavel@ucw.cz> Cc: Eric Piel <eric.piel@tremplin-utc.net> Cc: Vladimir Botka <vbotka@suse.cz> Cc: <Quoc.Pham@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-30hwmon: (fschmd) Add support for the FSC Hades ICHans de Goede2-25/+36
Add support for the Hades to the FSC hwmon driver. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-03-30hwmon: (fschmd) Add support for the FSC Syleus ICHans de Goede2-60/+161
Many thanks to Fujitsu Siemens Computers for providing docs and a machine to test the driver on. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-03-30dmi: Let dmi_walk() users pass private dataJean Delvare1-2/+2
At the moment, dmi_walk() lacks flexibility, users can't pass data to the callback function. Add a pointer for private data to make this function more flexible. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Matthew Garrett <mjg@redhat.com> Cc: Roland Dreier <rolandd@cisco.com>
2009-03-30Move the pcf8591 driver to hwmonJean Delvare3-0/+340
Directory drivers/i2c/chips is going away, so drivers there must find new homes. For the pcf8591 driver, the best choice seems to be the hwmon subsystem. While the Philips PCF8591 device isn't a typical hardware monitoring chip, its DAC interface is compatible with the hwmon one, so it fits somewhat. If a better subsystem is ever created for ADC/DAC chips, the driver could be moved there. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Aurelien Jarno <aurelien@aurel32.net>
2009-03-30hwmon: (w83627ehf) Only expose in6 or temp3 on the W83667HGGong Jun1-6/+54
The pin for in6 and temp3 is shared on the W83667HG, so only one of these features can be supported on any given system. Let the driver select which one depending on the temp3 disabled bit. Signed-off-by: Gong Jun <JGong@nuvoton.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-03-30hwmon: (w83627ehf) Add support for W83667HGGong Jun2-38/+72
Add initial support for the Nuvoton W83667HG chip to the w83627ehf driver. It has been tested on ASUS P5QL PRO by Gong Jun. At the moment there is still a usability issue which is that only in6 or temp3 can be present on the W83667HG, so the driver shouldn't expose both. This will be addressed later. Signed-off-by: Gong Jun <JGong@nuvoton.com> Acked-by: David Hubbard <david.c.hubbard@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-03-30hwmon: (w83627ehf) Invert fan pin variables logicJean Delvare1-4/+4
Use positive logic for fan pin variables (variable is set if pin is used for fan), instead of negative logic which is error prone. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Gong Jun <JGong@nuvoton.com>
2009-03-30hwmon: (hdaps) Fix Thinkpad X41 axis inversionFrank Seidel1-1/+1
Fix for kernel.org bug #7154: hdaps inversion of actual Thinkpad X41's Y-axis. Signed-off-by: Frank Seidel <frank@f-seidel.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-03-30hwmon: (hdaps) Allow inversion of separate axisFrank Seidel1-31/+33
Fix for kernel.org bug #7154: hdaps inversion of each axis. This version is based on the work from Michael Ruoss <miruoss@student.ethz.ch>. Signed-off-by: Frank Seidel <frank@f-seidel.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-03-30hwmon: (ds1621) Avoid unneeded register accessJean Delvare1-6/+9
Register access over SMBus isn't cheap, so avoid register access where possible: * Only write back the configuration register if it changed. * Don't refresh the register cache when we don't have to. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Aurelien Jarno <aurelien@aurel32.net>
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