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path: root/drivers/hwmon/lm63.c
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2012-03-23hwmon: (lm63) Let the user adjust the lookup tableJean Delvare
Make the automatic fan speed control lookup table writable. This lets the user tweak the fan speed / temperature response curve. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com> Tested-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-03-23hwmon: (lm63) Make fan speed control strategy changeableJean Delvare
Let the user switch between automatic and manual fan speed control. Before switching to automatic fan speed control, we always check that the lookup table looks sane. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-03-23hwmon: (lm63) Reorganize the codeJean Delvare
Reorder functions and driver declaration to no longer need to forward-declare functions. Also rename new_client to just client everywhere for readability. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-03-18hwmon: convert drivers/hwmon/* to use module_i2c_driver()Axel Lin
This patch converts the drivers in drivers/hwmon/* to use the module_i2c_driver() macro which makes the code smaller and a bit simpler. Signed-off-by: Axel Lin <axel.lin@gmail.com> Cc: Corentin Labbe <corentin.labbe@geomatys.fr> Cc: Dirk Eibach <eibach@gdsys.de> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Cc: Steve Glendinning <steve.glendinning@smsc.com> Cc: Riku Voipio <riku.voipio@iki.fi> Cc: Guillaume Ligneul <guillaume.ligneul@gmail.com> Cc: David George <david.george@ska.ac.za> Cc: "Hans J. Koch" <hjk@hansjkoch.de> Cc: Marc Hulsman <m.hulsman@tudelft.nl> Cc: Rudolf Marek <r.marek@assembler.cz> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-16hwmon: (lm63) Support extended lookup table of LM96163Jean Delvare
The LM96163 has an extended lookup table with 12 entries instead of 8, add support for that. Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-16hwmon: (lm63) Expose automatic fan speed control lookup tableJean Delvare
The LM63 and compatible devices have a lookup table to control the fan speed automatically. Expose it in sysfs. Values are cached for 5 seconds, independently of the other register values to avoid slowing down "sensors". We might make the table values writable in the future. Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-16hwmon: (lm63) Fix incorrect comment about I2C addressJean Delvare
What was true of the LM63 doesn't apply to the LM64. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-16hwmon: (lm63) LM64 has a dedicated pin for tachometerJean Delvare
On the LM64, the tachometer function has a dedicated pin and fan speed monitoring is always enabled. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-16hwmon: (lm63) Add sensor type attribute for external sensor on LM96163Guenter Roeck
On LM96163, the external temperature sensor type is configurable to either a thermal diode or a 3904 transistor. The chip reports a wrong temperature if misconfigured. Add writable attribute to support it. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2012-01-16hwmon: (lm63) Add support for update_interval sysfs attributeGuenter Roeck
The update interval is configurable on LM63 and compatibles. Add support for it. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2012-01-16hwmon: (lm63) Add support for writing the external critical temperatureGuenter Roeck
On LM64, the external critical temperature limit is always writable. On LM96163, it is writable if the chip is configured for it. Add conditional support for writing the register dependent on chip type and configuration. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2012-01-16hwmon: (lm63) Add support for unsigned upper temperature limitsGuenter Roeck
LM96163 supports unsigned upper limits for the external temperature sensor. Add support for it. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2012-01-16hwmon: (lm63) Add support for LM96163Guenter Roeck
LM96163 is an enhanced version of LM63 with improved PWM resolution. Add chip detection code as well as support for improved PWM resolution if the chip is configured to use it. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2012-01-16hwmon: (lm63) Add support for external temperature offset registerGuenter Roeck
LM63 and compatibles support a temperature offset register for the external temperature sensor. Add support for it. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2012-01-16hwmon: (lm63) Fix checkpatch errorsGuenter Roeck
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-02-09hwmon: (lm63) Consider LM64 temperature offsetDirk Eibach
LM64 has 16 degrees Celsius temperature offset on all remote sensor registers. This was not considered When LM64 support was added to lm63.c. Signed-off-by: Dirk Eibach <eibach@gdsys.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: stable@kernel.org
2010-05-27hwmon: (lm63) Add basic support for LM64Matthew Garrett
The LM64 appears to be an LM63 with added GPIO lines. Add support for the hwmon functionality - GPIO can be added at some later stage if someone has a need for them. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-12-14i2c: Drop I2C_CLIENT_INSMOD_1Jean Delvare
This macro simply declares an enum, so drivers might as well declare it themselves. Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Wolfram Sang <w.sang@pengutronix.de>
2009-12-14i2c: Get rid of struct i2c_client_address_dataJean Delvare
Struct i2c_client_address_data only contains one field at this point, which makes its usefulness questionable. Get rid of it and pass simple address lists around instead. Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Wolfram Sang <w.sang@pengutronix.de>
2009-12-14i2c: Drop the kind parameter from detect callbacksJean Delvare
The "kind" parameter always has value -1, and nobody is using it any longer, so we can remove it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Wolfram Sang <w.sang@pengutronix.de>
2009-12-09hwmon: Clean up detect functionsJean Delvare
As kind is now hard-coded to -1, there is room for code clean-ups. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Corentin Labbe <corentin.labbe@geomatys.fr> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Cc: Juerg Haefliger <juergh@gmail.com> Cc: Riku Voipio <riku.voipio@iki.fi> Acked-by: "Hans J. Koch" <hjk@linutronix.de> Cc: Rudolf Marek <r.marek@assembler.cz>
2008-07-16hwmon: (lm63) Convert to a new-style i2c driverJean Delvare
The new-style lm63 driver implements the optional detect() callback to cover the use cases of the legacy driver. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-02-18hwmon: normal_i2c arrays should be constMark M. Hoffman
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-18Add missing newlines to some uses of dev_<level> messagesJoe Perches
Found these while looking at printk uses. Add missing newlines to dev_<level> uses Add missing KERN_<level> prefixes to multiline dev_<level>s Fixed a wierd->weird spelling typo Added a newline to a printk Signed-off-by: Joe Perches <joe@perches.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Roland Dreier <rolandd@cisco.com> Cc: Tilman Schmidt <tilman@imap.cc> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Jeff Garzik <jeff@garzik.org> Cc: Stephen Hemminger <shemminger@linux-foundation.org> Cc: Greg KH <greg@kroah.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Cc: James Smart <James.Smart@Emulex.Com> Cc: Andrew Vasquez <andrew.vasquez@qlogic.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Jaroslav Kysela <perex@suse.cz> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-09hwmon: Convert from class_device to deviceTony Jones
Convert from class_device to device for hwmon_device_register/unregister Signed-off-by: Tony Jones <tonyj@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon: Fault files naming conventionJean Delvare
We have the following naming convention documented in Documentation/hwmon/sysfs-interface for fault files: in[0-*]_input_fault fan[1-*]_input_fault temp[1-*]_input_fault Some drivers follow this convention (lm63, lm83, lm90, smsc47m192). However some drivers omit the "input" part and create files named fan1_fault (pc87427) or temp1_fault (dme1737). And the new "generic" libsensors follows this second (non-standard) convention, so it fails to report fault conditions for drivers which follow the standard. We want a single naming scheme, and everyone seems to prefer the shorter variant, so let's go for it. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2006-09-28hwmon: Fix unchecked return status, batch 4Jean Delvare
hwmon: Fix unchecked return status, batch 4 Fix up some hwmon drivers so that they no longer ignore return status from device_create_file(). Note: f71805f actually checked the status from device_create_file already. However it did not remove the files on device destruction. It was also an opportunity to use sysfs_create/remove_group instead of hand-made loops. This makes the changes much more important but I think the result is worth it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-09-28hwmon: Add individual alarm files to 4 driversJean Delvare
hwmon: Add individual alarm files to 4 drivers Add individual sysfs files for all f71805f, lm63, lm83 and lm90 alarm and fault conditions. This is a requirement for the planned chip-independent libsensors. Almost all other hwmon drivers will need the same improvement. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-23[PATCH] hwmon: Semaphore to mutex conversionsIngo Molnar
convert drivers/hwmon/*.c semaphore use to mutexes. the conversion was generated via scripts, and the result was validated automatically via a script as well. all affected hwmon drivers were build-tested. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-05[PATCH] I2C: Remove .owner setting from i2c_driver as it's no longer neededGreg Kroah-Hartman
Now that i2c_add_driver() doesn't need the module owner to be set by hand, we can delete it from the drivers. This patch catches all of the drivers that I found in the current tree (if a driver sets the .owner by hand, it's not a problem, just not needed.) Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Cc: Jean Delvare <khali@linux-fr.org>
2006-01-05[PATCH] i2c: Drop i2c_driver.{owner,name}, 3 of 11Laurent Riffard
We should use the i2c_driver.driver's .name and .owner fields instead of the i2c_driver's ones. This patch updates the hwmon drivers. Signed-off-by: Laurent Riffard <laurent.riffard@free.fr> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-05[PATCH] i2c: Drop i2c_driver.flags, 2 of 3Jean Delvare
Just about every i2c chip driver sets the I2C_DF_NOTIFY flag, so we can simply make it the default and drop the flag. If any driver really doesn't want to be notified when i2c adapters are added, that driver can simply omit to set .attach_adapter. This approach is also more robust as it prevents accidental NULL pointer dereferences. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-10-28[PATCH] hwmon: kzalloc conversionDeepak Saxena
Use kzalloc instead of kmalloc+memset in all hardware monitoring drivers. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-09-05[PATCH] hwmon: hwmon vs i2c, second round (06/11)Jean Delvare
The only thing left in i2c-sensor.h are module parameter definition macros. It's only an extension of what i2c.h offers, and this extension is not sensors-specific. As a matter of fact, a few non-sensors drivers use them. So we better merge them in i2c.h, and get rid of i2c-sensor.h altogether. Signed-off-by: Jean Delvare <khali@linux-fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-09-05[PATCH] hwmon: hwmon vs i2c, second round (04/11)Jean Delvare
i2c_probe and i2c_detect now do the exact same thing and operate on the same data structure, so we can have everyone call i2c_probe. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-09-05[PATCH] I2C: refactor message in i2c_detach_clientJean Delvare
We could refactor the error message 34 different i2c drivers print if i2c_detach_client() fails in this function itself. Saves quite a few lines of code. Documentation is updated to reflect that change. Note that this patch should be applied after Rudolf Marek's w83792d patches. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-09-05[PATCH] I2C: Separate non-i2c hwmon drivers from i2c-core (7/9)Jean Delvare
Kill normal_isa in header files, documentation and all chip drivers, as it is no more used. normal_i2c could be renamed to normal, but I decided not to do so at the moment, so as to limit the number of changes. This might be done later as part of the i2c_probe/i2c_detect merge. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-09-05[PATCH] I2C hwmon: add hwmon sysfs class to driversMark M. Hoffman
This patch modifies sensors chip drivers to make use of the new sysfs class "hwmon". Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-07-11[PATCH] I2C: Move hwmon drivers (2/3)Jean Delvare
Part 2: Move the driver files themselves. Note that the patch "adds trailing whitespace", because it does move the files as-is, and some files happen to have trailing whitespace. From: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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