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New drivers:
- Maxim MAX6620
Notable functional enhancements:
- Add Asus WMI support to nct6775 driver, and list boards supporting it
- Move TMP461 support from tm401 driver to lm90 driver
- Add support for fanX_min, fanX_max and fanX_target to dell-smm driver,
and clean it up while doing so
- Extend mlxreg-fan driver to support multiple cooling devices and
multiple PWM channels. Also increase number of supported fan tachometers.
- Add a new customer ID (for ASRock) to nct6683 driver
- Make temperature/voltage sensors on nct7802 configurable
- Add mfg_id debugfs entry to pmbus/ibm-cffps driver
- Support configurable sense resistor values in pmbus/lm25066,
and fix various coefficients
- Use generic notification mechanism in raspberrypi driver
Notable cleanup:
- Convert various devicetree bindings to dtschema, and add missing bindings
- Convert i5500_temp and tmp103 drivers to devm_hwmon_device_register_with_info
- Clean up non-bool "valid" data fields
- Improve devicetree configurability for tmp421 driver
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Merge tag 'hwmon-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New driver:
- Maxim MAX6620
Notable functional enhancements:
- Add Asus WMI support to nct6775 driver, and list boards supporting
it
- Move TMP461 support from tm401 driver to lm90 driver
- Add support for fanX_min, fanX_max and fanX_target to dell-smm
driver, and clean it up while doing so
- Extend mlxreg-fan driver to support multiple cooling devices and
multiple PWM channels. Also increase number of supported fan
tachometers.
- Add a new customer ID (for ASRock) to nct6683 driver
- Make temperature/voltage sensors on nct7802 configurable
- Add mfg_id debugfs entry to pmbus/ibm-cffps driver
- Support configurable sense resistor values in pmbus/lm25066, and
fix various coefficients
- Use generic notification mechanism in raspberrypi driver
Notable cleanups:
- Convert various devicetree bindings to dtschema, and add missing
bindings
- Convert i5500_temp and tmp103 drivers to
devm_hwmon_device_register_with_info
- Clean up non-bool "valid" data fields
- Improve devicetree configurability for tmp421 driver"
* tag 'hwmon-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (73 commits)
hwmon: (nct7802) Add of_node_put() before return
hwmon: (tmp401) Drop support for TMP461
hwmon: (lm90) Add basic support for TI TMP461
hwmon: (lm90) Introduce flag indicating extended temperature support
hwmon: (nct6775) add ProArt X570-CREATOR WIFI.
hwmon: (nct7802) Make temperature/voltage sensors configurable
dt-bindings: hwmon: Add nct7802 bindings
hwmon: (dell-smm) Speed up setting of fan speed
hwmon: (dell-smm) Add comment explaining usage of i8k_config_data[]
hwmon: (dell-smm) Return -ENOIOCTLCMD instead of -EINVAL
hwmon: (dell-smm) Use strscpy_pad()
hwmon: (dell-smm) Sort includes in alphabetical order
hwmon: (tmp421) Add of_node_put() before return
hwmon: (max31722) Warn about failure to put device in stand-by in .remove()
hwmon: (acpi_power_meter) Use acpi_bus_get_acpi_device()
hwmon: (dell-smm) Add support for fanX_min, fanX_max and fanX_target
dt-bindings: hwmon: allow specifying channels for tmp421
hwmon: (tmp421) ignore non-channel related DT nodes
hwmon: (tmp421) update documentation
hwmon: (tmp421) support HWMON_T_ENABLE
...
Now that we have all the shared memory region information populated in
the pcc_mbox_chan, let us propagate the pointer to the same as the
return value to pcc_mbox_request channel.
This eliminates the need for the individual users of PCC mailbox to
parse the PCCT subspace entries and fetch the shmem information. This
also eliminates the need for PCC mailbox controller to set con_priv to
PCCT subspace entries. This is required as con_priv is private to the
controller driver to attach private data associated with the channel and
not meant to be used by the mailbox client/users.
Let us convert all the users of pcc_mbox_{request,free}_channel to use
new interface.
Cc: Jean Delvare <jdelvare@suse.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Fix following coccicheck warning:
./drivers/hwmon/nct7802.c:1152:2-24: WARNING: Function
for_each_child_of_node should have of_node_put() before return.
Early exits from for_each_child_of_node should decrement the
node reference counter.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20211029024918.5161-1-wanjiabing@vivo.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
TMP461 is almost identical to TMP451, which is already supported by the
lm90 driver. At the same time, unlike other sensors from the TMP401
compatible series, it only supports 8-bit temperature read operations,
and it supports negative temperatures when configured for its default
temperature range, and it supports a temperature offset register.
Supporting this chip in the tmp401 driver adds unnecessary complexity.
Remove its support from this driver and support the chip with the lm90
driver instead.
Fixes: 24333ac26d01 ("hwmon: (tmp401) use smb word operations instead of 2 smb byte operations")
Reported-by: David T. Wilson <david.wilson@nasa.gov>
Cc: David T. Wilson <david.wilson@nasa.gov>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
TMP461 is almost identical to TMP451 and was actually detected as TMP451
with the existing lm90 driver if its I2C address is 0x4c. Add support
for it to the lm90 driver. At the same time, improve the chip detection
function to at least try to distinguish between TMP451 and TMP461.
As a side effect, this fixes commit 24333ac26d01 ("hwmon: (tmp401) use
smb word operations instead of 2 smb byte operations"). TMP461 does not
support word operations on temperature registers, which causes bad
temperature readings with the tmp401 driver. The lm90 driver does not
perform word operations on temperature registers and thus does not have
this problem.
Support is listed as basic because TMP461 supports a sensor resolution
of 0.0625 degrees C, while the lm90 driver assumes a resolution of 0.125
degrees C. Also, the TMP461 supports negative temperatures with its
default temperature range, which is not the case for similar chips
supported by the lm90 and the tmp401 drivers. Those limitations will be
addressed with follow-up patches.
Fixes: 24333ac26d01 ("hwmon: (tmp401) use smb word operations instead of 2 smb byte operations")
Reported-by: David T. Wilson <david.wilson@nasa.gov>
Cc: David T. Wilson <david.wilson@nasa.gov>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
A flag indicating extended temperature support makes it easier
to add support for additional chips with this functionality.
Cc: David T. Wilson <david.wilson@nasa.gov>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
ASUS ProArt X570-CREATOR WIFI board has got an nct6775 chip, but by default
there's no use of it because of resource conflict with WMI method.
This commit adds ProArt X570-CREATOR WIFI to the list of boards that can be
monitored using ASUS WMI.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204807
Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
Tested-by: Joel Wirāmu Pauling <jwp@redhat.com>
Link: https://lore.kernel.org/r/20211025194748.6784-1-pauk.denis@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This change allows LTD and RTD inputs to be configured via
device tree bindings. If the DT bindings are not present or
invalid, the input configuration is not modified and left at
HW defaults.
Signed-off-by: Oskar Senft <osk@google.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20211020164213.174597-2-osk@google.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
When setting the fan speed, i8k_set_fan() calls i8k_get_fan_status(),
causing an unnecessary SMM call since from the two users of this
function, only i8k_ioctl_unlocked() needs to know the new fan status
while dell_smm_write() ignores the new fan status.
Since SMM calls can be very slow while also making error reporting
difficult for dell_smm_write(), remove the function call from
i8k_set_fan() and call it separately in i8k_ioctl_unlocked().
Tested on a Dell Inspiron 3505.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-6-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
i8k_config_data[] should only be used for applying device specific
quirks in case autoconfig does not work properly on certain
devices.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-5-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Returning -ENOIOCTLCMD gives the callers a better
hint of what went wrong and is the recommended
behavior.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-4-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Using strscpy_pad() allows for fewer memory accesses
since memset() will not unconditionally zero-out
the whole buffer.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-3-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Fix following coccicheck warning:
./drivers/hwmon/tmp421.c:416:1-23: WARNING: Function
for_each_child_of_node should have of_node_put() before return.
Early exits from for_each_child_of_node should decrement the
node reference counter.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20211018121538.16482-1-wanjiabing@vivo.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
When an spi driver's remove function returns a non-zero error code
nothing happens apart from emitting a generic error message. Make this
error message more device specific and return zero instead.
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20211012153945.2651412-5-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
In read_domain_devices(), acpi_bus_get_device() is called to obtain
the ACPI device object attached to the given ACPI handle and
subsequently that object is passed to get_device() for reference
counting, but there is a window between the acpi_bus_get_device()
and get_device() calls in which the ACPI device object in question
may go away.
To address this issue, make read_domain_devices() use
acpi_bus_get_acpi_device() to reference count and return the given
ACPI device object in one go and export that function to modules.
While at it, also make read_domain_devices() and
remove_domain_devices() use acpi_dev_put() instead of calling
put_device() directly on the ACPI device objects returned by
acpi_bus_get_acpi_device().
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/11871063.O9o76ZdvQC@kreacher
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The nominal speed of each fan can be obtained with
i8k_get_fan_nominal_speed(), however the result is not available
from userspace.
Change that by adding fanX_min, fanX_max and fanX_target attributes.
All are RO since fan control happens over pwm.
Tested on a Dell Inspiron 3505 and a Dell Latitude C600.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20210926221044.14327-2-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Recent patch added possibility to disable selected channels. That would
only make sure that the ENODATA is returned for those channels but would
not configure the actual hardware.
With this patch, the config register is written to make sure the
channels are disabled also at hardware level.
Signed-off-by: Krzysztof Adamski <krzysztof.adamski@nokia.com>
Link: https://lore.kernel.org/r/d451cacdf21bf8eff38a47c055aad8c0c6e8755a.1634206677.git.krzysztof.adamski@nokia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Previous patches added a way to specify some channel specific parameters
in DT and n-factor is definitely one of them. This calibration mechanism
is board specific as its value depends on the diodes/transistors being
connected to the sensor and thus the DT seems like a right fit for that
information. It is very similar to the value of shunt resistor that some
drivers allows specifying in DT.
This patch adds a possibility to set n-factor for each channel via
"n-factor" DT property in each channel subnode.
Signed-off-by: Krzysztof Adamski <krzysztof.adamski@nokia.com>
Link: https://lore.kernel.org/r/69d0bfcc5ba27c67f21d3eabfb100656a14c75b9.1634206677.git.krzysztof.adamski@nokia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The previous patch introduced per channel subnodes in DT that let us
specify some channel specific properties. This built a ground for easily
disabling individual channels of the sensor that may not be connected to
any external diode and thus are not returning any meaningful data.
This patch adds support for parsing the "status" property of channels DT
subnodes and makes sure the -ENODATA is returned when disabled channels
value is read.
Signed-off-by: Krzysztof Adamski <krzysztof.adamski@nokia.com>
Link: https://lore.kernel.org/r/a85d623f0792b862870933a875bdf802f4c017f1.1634206677.git.krzysztof.adamski@nokia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
tmp42x is a multichannel temperature sensor with several external
channels. Since those channels can be used to connect diodes placed
anywhere in the system, their meaning will vary depending on the
project. For this case, the hwmon framework has an idea of labels which
allows us to assign the meaning to each channel.
The similar concept is already implemented in ina3221 - the label for
each channel can be defined via device tree. See commit a9e9dd9c6de5
("hwmon: (ina3221) Read channel input source info from DT")
This patch adds support for similar feature to tmp421.
Signed-off-by: Krzysztof Adamski <krzysztof.adamski@nokia.com>
Link: https://lore.kernel.org/r/dab0fda6ac0e8d7f163c3762a7fb1e595a4d8159.1634206677.git.krzysztof.adamski@nokia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Up to now adt7x10_remove() returns zero unconditionally. Make it return
void instead which makes it easier to see in the callers that there is
no error to handle.
Also the return value of i2c and spi remove callbacks is ignored anyway.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20211011132754.2479853-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
We have bool so use it consistently in all the drivers.
The following Coccinelle script was used:
@@
identifier T;
type t = { char, int };
@@
struct T {
...
- t valid;
+ bool valid;
...
}
@@
identifier v;
@@
(
- v->valid = 0
+ v->valid = false
|
- v->valid = 1
+ v->valid = true
)
followed by sed to fixup the comments:
sed '/bool valid;/{s/!=0/true/;s/zero/false/}'
Few whitespace changes were fixed manually. All modified drivers were
compile-tested.
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Link: https://lore.kernel.org/r/20210924195202.27917-1-fercerpav@gmail.com
[groeck: Fixed up 'u8 valid' to 'boool valid' in atxp1.c]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Provide different names for cooling devices registration to allow
binding each cooling devices to relevant thermal zone. Thus, specific
cooling device can be associated with related thermal sensor by setting
thermal cooling device type for example to "mlxreg_fan2" and passing
this type to thermal_zone_bind_cooling_device() through 'cdev->type'.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20210926053541.1806937-3-vadimp@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Validate PWM connectivity only for additional PWM - "pwm1" is connected
on all systems, while "pwm2" - "pwm4" are optional. Validate
connectivity only for optional attributes by reading of related "pwm{n}"
registers - in case "pwm{n}" is not connected, register value is
supposed to be 0xff.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20210926053541.1806937-2-vadimp@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
ASUS Pro WS X570-ACE board has got an nct6775 chip, but by default
there's no use of it because of resource conflict:
```
ACPI Warning: SystemIO range 0x0000000000000295-0x0000000000000296 conflicts with OpRegion 0x0000000000000290-0x0000000000000299 (\AMW0.SHWM) (20210604/utaddress-204
)
ACPI: OSL: Resource conflict; ACPI support missing from driver?
ACPI: OSL: Resource conflict: System may be unstable or behave erratically
```
A workaround is to use `acpi_enforce_resources=lax`, but a proper
support needs to be added instead.
This commit adds Pro WS X570-ACE to the list of boards that can be monitored
using ASUS WMI.
Tested by me on this hardware:
```
Base Board Information
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: Pro WS X570-ACE
BIOS Information
Vendor: American Megatrends Inc.
Version: 3801
Release Date: 07/30/2021
```
Signed-off-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Link: https://lore.kernel.org/r/20211003133344.9036-2-oleksandr@natalenko.name
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
There are multiple power supplies that will indicate
CFFPS_CCIN_VERSION_1, use the manufacturer ID to determine if it should
be treated as version cffps1 or version cffps2.
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
Link: https://lore.kernel.org/r/20211004144339.2634330-2-bjwyman@gmail.com
[groeck: Fixed continuation line alignment]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The appropriate mantissa values for the lm25066 family's direct-format
current and power readings are a function of the sense resistor
employed between the SENSE and VIN pins of the chip. Instead of
assuming that resistance is always the same 1mOhm as used in the
datasheet, allow it to be configured via a device-tree property
("shunt-resistor-micro-ohms").
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20210928092242.30036-8-zev@bewilderbeest.net
[groeck: Fixed checkpatch warnings]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. This is working on the assumption that a
I2C device registered via OF will always match a legacy I2C device ID and
that the MODALIAS reported will always be of the form i2c:<device>.
But this could change in the future so the correct approach is to have an
OF device ID table if the devices are registered via OF.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20210928092242.30036-7-zev@bewilderbeest.net
[groeck: Replaced reference to reasoning with reasoning, fixed checkpatch
warnings, fixed compile warning comparing of_id->data w/ i2c_id->driver_data]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Maintaining this manually is error prone (there are currently only
five chips supported, not six); gcc can do it for us automatically.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Fixes: 666c14906b49 ("hwmon: (pmbus/lm25066) Drop support for LM25063")
Link: https://lore.kernel.org/r/20210928092242.30036-5-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
At least as of Revision J, the datasheet has a slightly different
value than what we'd had in the driver.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20210928092242.30036-3-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
With the exception of the lm5066i, all the devices handled by this
driver had been missing their offset ('b') coefficients for direct
format readings.
Cc: stable@vger.kernel.org
Fixes: 58615a94f6a1 ("hwmon: (pmbus/lm25066) Add support for LM25056")
Fixes: e53e6497fc9f ("hwmon: (pmbus/lm25066) Refactor device specific coefficients")
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20210928092242.30036-2-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
There are few places where the maximal number of channels is used define
the size of arrays but when raw number is used it is not clear that they
really related to this quantity.
This commit introduces MAX_CHANNELS define and uses it those places to
give some context to the number.
Signed-off-by: Krzysztof Adamski <krzysztof.adamski@nokia.com>
Link: https://lore.kernel.org/r/abc1a213a25b890b799b35ad94bb543a2ade7fc8.1632473318.git.krzysztof.adamski@nokia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Array fan->pwm[] is MLXREG_FAN_MAX_PWM elements in size, however the
for-loop has a off-by-one error causing index i to be out of range
causing an out of bounds read on the array. Fix this by replacing
the <= operator with < in the for-loop.
Addresses-Coverity: ("Out-of-bounds read")
Reported-by: Vadim Pasternak <vadimp@nvidia.com>
Fixes: 35edbaab3bbf ("hwmon: (mlxreg-fan) Extend driver to support multiply cooling devices")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210920180921.16246-1-colin.king@canonical.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Support accessing the NCT677x via Asus WMI functions.
On mainboards that support this way of accessing the chip, the driver will
usually not work without this option since in these mainboards, ACPI will
mark the I/O port as used.
Code uses ACPI firmware interface to communicate with sensors with ASUS
motherboards:
* PRIME B460-PLUS,
* ROG CROSSHAIR VIII IMPACT,
* ROG STRIX B550-E GAMING,
* ROG STRIX B550-F GAMING,
* ROG STRIX B550-F GAMING (WI-FI),
* ROG STRIX Z490-I GAMING,
* TUF GAMING B550M-PLUS,
* TUF GAMING B550M-PLUS (WI-FI),
* TUF GAMING B550-PLUS,
* TUF GAMING X570-PLUS,
* TUF GAMING X570-PRO (WI-FI).
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204807
Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
Co-developed-by: Bernhard Seibold <mail@bernhard-seibold.de>
Signed-off-by: Bernhard Seibold <mail@bernhard-seibold.de>
Tested-by: Pär Ekholm <pehlm@pekholm.org>
Tested-by: <to.eivind@gmail.com>
Tested-by: Artem S. Tashkinov <aros@gmx.com>
Tested-by: Vittorio Roberto Alfieri <me@rebtoor.com>
Tested-by: Sahan Fernando <sahan.h.fernando@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210917220240.56553-4-pauk.denis@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Prepare for platform specific callbacks usage:
* Rearrange code for directly use struct nct6775_sio_data in superio_*()
functions.
* Use superio function pointers in nct6775_sio_data struct instead direct
calls.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204807
Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
Co-developed-by: Bernhard Seibold <mail@bernhard-seibold.de>
Signed-off-by: Bernhard Seibold <mail@bernhard-seibold.de>
Cc: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210917220240.56553-2-pauk.denis@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for additional cooling devices in order to support the
systems, which can be equipped with up-to four PWM controllers.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add additional PWM attributes in order to support the systems, which
can be equipped with up-to four PWM controllers. System capability of
additional PWM support is validated through the reading of relevant
registers.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20210916194719.871413-3-vadimp@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Extend support of maximum tachometers from 12 to 14 in order to support
new systems, equipped with more fans.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20210916194719.871413-2-vadimp@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
