Fix a build warning in toshiba_acpi.c when CONFIG_PROC_FS is not enabled
by marking the unused function as __maybe_unused.
../drivers/platform/x86/toshiba_acpi.c:1685:12: warning: 'version_proc_show' defined but not used [-Wunused-function]
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Azael Avalos <coproscefalo@gmail.com>
Cc: platform-driver-x86@vger.kernel.org
Cc: Andy Shevchenko <andy@infradead.org>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Second generation keyboard backlight (type 2) laptops can switch
on the keyboard LED on their own via hardware/firmware, but the
LED subsystem is unaware of such change since the LED interface
was only being created on first generation keyboard backlight
(type 1) laptops.
This patch creates the LED interface for second gen keyboards
and calls the *_hw_changed API whenever userspace changes the
state of the keyboard backlight LED.
While we are at it, remove an unneeded asignment to the acpi_dev
struct under *_kbd_bl_work, and also update the kbd_event_generated
variable in the main toshiba struct instead of the global struct.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
[dvhart: correct int* and int compare with dev->kbd_mode]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Variants of proc_create{,_data} that directly take a seq_file show
callback and drastically reduces the boilerplate code in the callers.
All trivial callers converted over.
Signed-off-by: Christoph Hellwig <hch@lst.de>
This is now handled by use of a macro for device registration. The field
in iio_info will be going away shortly as it is no longer used.
Cc: <platform-driver-x86@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Azael Avalos <coproscefalo@gmail.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/sysfs.h> work
with const attribute_group. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
26360 1072 24 27456 6b40 drivers/platform/x86/toshiba_acpi.o
File size After adding 'const':
text data bss dec hex filename
26424 1008 24 27456 6b40 drivers/platform/x86/toshiba_acpi.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Use memdup_user_nul() helper instead of open-coding to simplify the
code.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
As sparse_keymap_setup() now uses a managed memory allocation for the
keymap copy it creates, the latter is freed automatically. Remove all
calls to sparse_keymap_free().
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This patch simply fixes a typo in the error string printed in
the *_cooling_method_set function.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Currently the success/error checking logic is intermixed, making the
code a bit cumbersome to understand.
This patch changes the affected functions to first check for errors
and take appropriate actions, then check for the supported features.
This patch also separates the error check from the acpi_status and
the tci_raw function call error check, as those two are completely
unrelated and were nested in if/else statements.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch moves all the multiple line variable declaration to a
single line declaration (except variables being initialized)
following the reverse tree order, to conform to the practices
of the kernel.
[dvhart: corrected a couple minor inconsistencies in declaration ordering]
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
After several fixes, and added support for more features (WWAN,
Cooling Method and IIO accelometer axis data), bump the driver
version to 0.24.
Also update the copyright year.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Now that we have proper support for the acceleromeer under the IIO
subsystem, the _position_ sysfs file is now deprecated.
This patch removes all code related to the position sysfs entry.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch adds the accelerometer axis data to the IIO subsystem.
Currently reporting the X, Y and Z values, as no other data can be
queried given the fact that the accelerometer chip itself is hidden
behind the Toshiba proprietary interface.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Commit 52cbae0127 ("toshiba_acpi: Change default Hotkey enabling value")
changed the hotkeys enabling value, as it was the same value Windows uses,
however, it turns out that the value tells the EC that the driver will now
take care of the hardware events like the physical RFKill switch or the
pointing device toggle button.
This patch reverts such commit by changing the default hotkey enabling
value to 0x09, which enables hotkey events only, making the hardware
buttons working again.
Fixes bugs 113331 and 114941.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Some laptop models have working hotkeys without the need of the driver
to activate them.
This patch adds a module parameter to tell the driver not to register
the hotkeys.
The new parameter is useful in DE less installations or where the DE
does not handle the hotkeys (see bug 99501).
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch adds support to query and set the "Cooling Method" feature,
which basically changes how the system fan behaves, depending on the
supported cooling methods.
Depending on the laptop model, these are the (so far...) available
cooling methods:
- Maximum Performance
- Performance
- Battery Optimized
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Certain Toshiba models with the second generation keyboard backlight
(type 2) do not generate the keyboard backlight changed event (0x92),
and thus, the sysfs entries are never being updated.
This patch adds a workquee and a global boolean variable to address
the issue.
For those models that do generate the event, the sysfs entries are
being updated via the *notify function and the boolean is set to
true to avoid a second call to update the entries.
For those models that do not generate the event, the workquee is
used to update the sysfs entries and also to emulate the event via
netlink, to make userspace aware of such change.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
A previuos patch added WWAN support to the driver, allowing to query
and set the device status.
This patch adds RFKill support for the recently introduced WWAN device,
making use of the WWAN and *wireless_status functions to query the
killswitch and (de)activate the device accordingly to its status.
Signed-off-by: Fabian Koester <fabian.koester@bringnow.com>
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Toshiba laptops with WWAN devices installed cannot use the device unless
it is attached and powered, similar to how Toshiba Bluetooth devices
work.
This patch adds support to WWAN devices, introducing three functions,
one to query the overall status of the wireless devices (RFKill, WLAN,
BT, WWAN), the second queries WWAN support, and finally the third
(de)activates the device.
Signed-off-by: Fabian Koester <fabian.koester@bringnow.com>
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>ZZ
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
If transflective backlight is supported and the brightness is zero
(lowest brightness level), the set_lcd_brightness function will activate
the transflective backlight, making the LCD appear to be turned off.
This patch fixes the issue by incrementing the brightness level, and
by doing so, avoiding the activation of the tranflective backlight.
Cc: <stable@vger.kernel.org> # 4.3+
Reported-and-tested-by: Fabian Koester <fabian.koester@bringnow.com>
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
The driver uses genetlink to inform userspace of events generated by
the system, but the data passed is always zero as there is no data to
pass, except for the hotkey event.
This patch propagates the hotkey value via genetlink so userspace can
make use of it.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Commit 53147b6cab ("toshiba_acpi: Fix
hotkeys registration on some toshiba models") fixed an issue on some
laptops regarding hotkeys registration, however, if failed to address
the initialization of the hotkey_event_type variable, and thus, it can
lead to potential unwanted effects as the variable is being checked.
This patch initializes such variable to avoid such unwanted effects.
Cc: <stable@vger.kernel.org> # 4.1+
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
The function toshiba_acpi_setup_keyboard currently has two u32 variables
used to store the Hotkey Event Type and the result of the HCI_SYSTEM_EVENT
query.
This patch removes those two variables, as we already have a global
variable named "hotkey_event_type" and the result of the HCI_SYSTEM_EVENT
query can be checked directly from the function.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch adds the 0x prefix to the values printed by such function, the
values are already being printed in hex, but without the prefix, causing
confusion, even though the file under Documentation/ABI clearly states
that hey are hex values.
Simply add the 0x prefix to avoid such confusion.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
The driver currently uses the hotkey enabling value of 0x09 to enable
hotkey events, but windows uses a different value (0x01).
All Toshiba laptops accept the following "hotkey" parameters:
0x01 - Enable hotkey and system events.
0x03 - Enable system events only.
0x09 - Enable hotkey events only.
0x0b - Disable (hotkey and system) events.
This patch changes the default hotkey enabling value from 0x09 to 0x01,
enabling both the hotkey and system events.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Currently the driver has two functions enabling hotkeys support,
but these two functions can be merged into one.
This patch merges these two functions, moving some checks to the
*enable_hotkeys function, simplifying code in the process.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Commit a2b3471b5b ("toshiba_acpi: Use the Hotkey Event Type function
for keymap choosing") changed the *setup_keyboard function to query for
the Hotkey Event Type to help choose the correct keymap, but turns out
that here are certain Toshiba models out there not implementing this
feature, and thus, failing to continue the input device registration and
leaving such laptops without hotkey support.
This patch changes such check, and instead of returning an error if
the Hotkey Event Type is not present, we simply inform userspace about it,
changing the message printed from err to notice, making the function
responsible for registering the input device to continue.
This issue was found on a Toshiba Portege Z30-B, but there might be
some other models out there affected by this regression as well.
Cc: <stable@vger.kernel.org> # 4.1+
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Commit e1a949c1b9 ("toshiba_acpi: Refactor *{get, set} functions return
value") made changes on the return type of the HCI/SCI functions, but a
typo on the USB Sleep and Music code is always reporting non existent
support for such feature.
This patch corrects the typo, changing an assignment to a comparison,
making the laptops with actual support for such feature to work again.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Given that some features were added (/dev/toshiba_acpi device), some
clean-ups and minor (cosmetic) changes all over the driver code, bump
the driver version to 0.23 to reflect these overall changes.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
A previous patch added explicit feature checks for support, *SUCCESS*
and *FAILURE to the HCI/SCI *{get, set} functions.
This patch removes some unnedded checks to the driver HCI/SCI
functions given that the default error return value is now set to
-EIO, there is no need to check for other error values other than
the ones currently checking for.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch refactors the return value of the driver *{get, set}
functions, since the driver default error value is -EIO.
All the functions now check for TOS_FAILURE, TOS_NOT_SUPPORTED and
TOS_SUCCESS.
On TOS_FAILURE a pr_err message is printed informing the user of the
error (no change was made to this, except the check was added to the
functions not checking for this).
On TOS_NOT_SUPPORTED we now return -ENODEV immediately (some
functions were returning -EIO and some other were not checking)
On TOS_SUCCESS* we now return 0 (as a side effect, a new success value
was added, since some functions return one instead of zero to
indicate success).
As a special case, the LED functions now check for *FAILURE on
*set, and check for TOS_FAILURE and TOS_SUCCESS on *get with their
"default" return value set to LED_OFF.
Also the {lcd, video}_proc* functions were adapted to reflect these
changes to their parent HCI functions.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Currently the driver prints "*not supported" if any of the features
queried are in fact not supported, let us print the available
features instead.
This patch removes all instances pr_info printing "*not supported",
and add a new function called "print_supported_features", which will
print the available laptop features.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch changes the *available functions return type from int to
void.
The checks for support of their respective features are done inside
such functions and there was no need to return anything as we can
flag the queried feature as supported inside these functions.
The code was adapted accordingly to these changes and two new
variables were created and another was changed from uint to bool.
Also, the function toshiba_acceleremoter_supported was renamed to
toshiba_accelerometer_available to maintain the naming consistency on
the driver.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch adds a new function named "set_fan_status" to complement
its get* counterpart, as well as to avoid code duplication between
"fan_proc_write" and "fan_store".
Also, both functions (get*, set*) are now checking for TOS_FAILURE,
TOS_NOT_SUPPORTED and TOS_SUCCESS (to be on par with the rest of the
HCI/SCI functions), printing an error message, returning -ENODEV and
zero respectively.
The proc and sysfs functions were updated to reflect these changes as
well, returning -EIO for proc, and propagating the error value on the
sysfs functions.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch changes some variables to avoid warnings from ninja-check.
We are basically moving some variables inside the conditionals where
such variables are being used, and we are checking the returned values
of some others.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch simply reorders the entries found in the new keymap by
ascending order, this is simply a cosmetic change, no functionality
was modified.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Commit 2b74103547 ("toshiba_acpi: Remove bluetooth rfkill code")
removed bluetooth related code, however, the wireless defines were
not removed and are unused.
This patch simply removes those defines as there is no code using
them.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch changes the tr function second parameter from bool to u32,
to be on par with the rest of the TCI functions of the driver, and the
code was updated accordingly.
Also, the check for translective support was moved to the *add
function, as the {__get, set}_lcd_brightness functions make use of it.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Commit f11f999e98 ("toshiba_acpi: Refuse to load on machines with
buggy INFO implementations") denied loading on laptops with a WMI Event
GUID given that such laptops manage the hotkeys via that interface,
however, such laptops have a working Toshiba Configuration Interface
(TCI), and thus, such commit denied several supported features.
This patch avoids registering the input device and ignores all hotkey
events on laptops with such WMI Event GUID, making the supported
features found in those laptops to work.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
There were previous attempts to "merge" the toshiba SMM module to the
toshiba_acpi one, they were trying to imitate what the old toshiba
module does, however, some models (TOS1900 devices) come with a
"crippled" implementation and do not provide all the "features" a
"genuine" Toshiba BIOS does.
This patch adds a new device called toshiba_acpi, which aim is to
enable userspace to access the SMM on Toshiba laptops via ACPI calls.
Creating a new convenience _IOWR command to access the SCI functions
by opening/closing the SCI internally to avoid buggy BIOS, while at
the same time providing backwards compatibility.
Older programs (and new) who wish to access the SMM on newer models
can do it by pointing their path to /dev/toshiba_acpi (instead of
/dev/toshiba) as the toshiba.h header was modified to reflect these
changes as well as adds all the toshiba_acpi paths and command,
however, it is strongly recommended to use the new IOCTL for any
SCI command to avoid any buggy BIOS.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Since the introduction of TOS1900 devices support to the driver, the
"keys" entry under the proc directory was broken, given that it only
handled TOS620X devices accordingly.
This patch adapts the code to show the hotkey values of TOS1900
devices too, and in case some programs are still using that interface,
hotkeys reporting should now work on these devices.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
asus-wmi: Fan control
dell*: Add Dell airplane mode switch driver
ideapad-laptop: Platform rfkill fixes, and regression fix
pvpanic: Handle missing _STA correctly
toshiba*: Rafactor bluetooth support, haps documentation, driver cleanup
other: Use acpi_video_unregister_backlight instead of acpi_video_unregister in
serveral drivers.
Orphan msi-wmi.
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Merge tag 'platform-drivers-x86-v4.2-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"Fairly routine update for platform-drivers-x86.
Mostly fixes and cleanups, with a significant refactoring of toshiba*
drivers. Includes the addition of the dell-rbtn driver.
Details:
asus-wmi:
- fan control
dell*:
- add Dell airplane mode switch driver
ideapad-laptop:
- platform rfkill fixes, and regression fix
pvpanic:
- handle missing _STA correctly
toshiba*:
- rafactor bluetooth support
- haps documentation
- driver cleanup
other:
- Use acpi_video_unregister_backlight instead of
acpi_video_unregister in serveral drivers.
- Orphan msi-wmi.
* tag 'platform-drivers-x86-v4.2-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (24 commits)
MAINTAINERS: Orphan x86 driver msi-wmi
ideapad: fix software rfkill setting
dell-laptop: Use dell-rbtn instead i8042 filter when possible
dell-rbtn: Export notifier for other kernel modules
dell-rbtn: Dell Airplane Mode Switch driver
samsung-laptop: Use acpi_video_unregister_backlight instead of acpi_video_unregister
asus-wmi: Use acpi_video_unregister_backlight instead of acpi_video_unregister
apple_gmux: Use acpi_video_unregister_backlight instead of acpi_video_unregister
pvpanic: handle missing _STA correctly
ideapad_laptop: Lenovo G50-30 fix rfkill reports wireless blocked
asus-wmi: add fan control
Documentation/ABI: Add file describing the sysfs entries for toshiba_haps
toshiba_haps: Make use of DEVICE_ATTR_{RW, WO} macros
toshiba_haps: Replace sscanf with kstrtoint
toshiba_acpi: Bump driver version to 0.22
toshiba_acpi: Remove TOS_FAILURE check from some functions
toshiba_acpi: Comments cleanup
toshiba_acpi: Rename hci_{read, write}1 functions
toshiba_acpi: Remove no longer needed hci_{read, write}2 functions
toshiba_bluetooth: Change BT status message to debug
...
Port the backlight selection logic to the new backlight interface
selection API.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Azael Avalos <coproscefalo@gmail.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This patch simply bumps the driver version to 0.22, as significant
changes were made to the driver, such as cleanups, updated events,
keymap handling, fixes and the bluetooth rfkill code removal.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch removes the check for TOS_FAILURE whenever we are using
the tci_raw function call, as that code is only returned by the
{hci, sci}_{read, write} functions and never by the tci_raw, and
thus making that check irrelevant.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch simply does some misc cleanup to comments, mainly
capitalizes some left over comments from a previous clean up and
adds some comments at the beginning of some feature function calls,
as well as some misc changes to some comments.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch simply renames the hci_{read, write}1 functions to
hci_{read, write}.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch removes the hci_{read, write}2 functions from the driver,
and the toshiba_hotkey_event_type_get function was adapted to use the
tci_raw function.
The hci_write2 function was only used by the bluetooth rfkill code,
but since its removal, it was causing build warnings, and the
hci_read2 function was only used by the toshiba_hotkey_event_type_get
function.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch removes all bluetooth rfkill related code residing in
the toshiba_acpi driver.
Separate patches will add (and adapt) the code to toshiba_bluetooth
(where it belongs).
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Randy Dunlap