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Commit Graph

2166 Commits

Author SHA1 Message Date
Hans de Goede
ae3111585e platform/x86: silead_dmi: Constify properties arrays
Now that device_add_properties takes a const property_entry * rather
then a non-const one we can constify the properties arrays.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-04-13 10:12:47 -07:00
Hans de Goede
9c656b0799 platform/x86: dell-*: Call new led hw_changed API on kbd brightness change
Make dell-wmi notify on hotkey kbd brightness changes, listen for this
in dell-laptop and call led_classdev_notify_brightness_hw_changed.

This will allow userspace to monitor (poll) for brightness changes on
these LEDs caused by the hotkey.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-04-13 10:12:46 -07:00
Hans de Goede
e5bf5df785 platform/x86: dell-laptop: Protect kbd_state against races
The kbd led code has multiple entry points each of which modifies the
kbd_state by reading it, modifying a copy, writing the copy and on
error setting the modified copy writing back the original state.

This is racy, so add a mutex protection the read-modify-write cycle
on each of the entry points.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-04-13 10:12:44 -07:00
Hans de Goede
1c7e28246e platform/x86: dell-laptop: Refactor kbd_led_triggers_store()
Return -EINVAL immediately on invalid input, rather then doing
the straight path in an if block and returning -EINVAL at the end
of the function.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-04-13 10:12:43 -07:00
Hans de Goede
504b02593f platform/x86: dell-*: Add a generic dell-laptop notifier chain
There are several cases where events handled in one of the dell-* drivers
need to be propagated to another dell-* driver.

This commit adds 3 generic functions:
dell_laptop_register_notifier()
dell_laptop_unregister_notifier()
dell_laptop_call_notifier()

It currently only defines 1 action:
DELL_LAPTOP_KBD_BACKLIGHT_BRIGHTNESS_CHANGED

Which is intended to propagate kbd_backlight_brightness_changed wmi
events from dell-wmi to dell-laptop (which contains the actual kbd
backlight driver).

These functions are put in dell-smbios as both dell-wmi and dell-laptop
use smbios functions and I do not want to put the notifier head in
either driver, as that will make the 2 drivers depend on each other.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-04-13 10:12:19 -07:00
Michał Kępień
979800e73d platform/x86: fujitsu-laptop: remove pf_device field from struct fujitsu_bl
Both struct fujitsu_bl and struct fujitsu_laptop have a pf_device field.
Up until now the latter has been redundant, which is logically incorrect
because the primary function of the platform device created by
fujitsu-laptop is to provide laptop-related (not brightness-related)
attributes to userspace.

Remove the pf_device field from struct fujitsu_bl and make all module
code use the pf_device field of struct fujitsu_laptop instead.

Suggested-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Tested-by: Jonathan Woithe <jwoithe@just42.net>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-03-23 09:03:23 -07:00
Michał Kępień
c33f4c044d platform/x86: fujitsu-laptop: only register platform device if FUJ02E3 is present
The platform device registered by fujitsu-laptop is registered
unconditionally while sysfs attributes attached to it depend on the
FUJ02E3 ACPI device being present.  Fix this by moving platform device
creation and removal to acpi_fujitsu_laptop_add() and
acpi_fujitsu_laptop_remove(), respectively.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Tested-by: Jonathan Woithe <jwoithe@just42.net>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-03-23 09:03:23 -07:00
Michał Kępień
d811b511c1 platform/x86: fujitsu-laptop: add and remove platform device in separate functions
Platform device handling adds a lot of complexity to fujitsu_init(),
which hinders its readability.  Extract code responsible for adding and
removing the platform device to separate functions.  Adjust whitespace
to make checkpatch happy.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Tested-by: Jonathan Woithe <jwoithe@just42.net>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-03-23 09:03:23 -07:00
Michał Kępień
b0c4b9c64e platform/x86: fujitsu-laptop: simplify platform device attribute definitions
Use the DEVICE_ATTR_RO() macro to get rid of ignore_store() and shorten
attribute definitions.  Adjust whitespace to make checkpatch happy.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Tested-by: Jonathan Woithe <jwoithe@just42.net>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-03-23 09:03:23 -07:00
Michał Kępień
78b2602fbb platform/x86: fujitsu-laptop: remove backlight-related attributes from the platform device
Setting backlight level using a vendor-specific interface should only be
possible when using the latter is either explicitly requested by the
user or automatically selected by the kernel.  fujitsu-laptop violates
that premise by unconditionally attaching three backlight-related
attributes to the platform device it registers.  Remove the offending
attributes from the platform device.  Update module comments to reflect
this change.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Tested-by: Jonathan Woithe <jwoithe@just42.net>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-03-23 09:03:22 -07:00
Pau Espin Pedrol
999ddbdf3c platform/x86: eeepc-laptop: Skip unknown key messages 0x50 0x51
Otherwise those are printed several times when (un)plugging the AC
connector.

Signed-off-by: Pau Espin Pedrol <pespin.shar@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-03-23 09:01:35 -07:00
Michał Kępień
1fe5530946 platform/x86: intel-hid: do not set parents of input devices explicitly
devm_input_allocate_device() already causes the supplied struct device
to be set as the parent of the input device, so doing it again is
redundant.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Alex Hung <alex.hung@canonical.com>
2017-03-14 22:58:12 -07:00
Michał Kępień
db8f95d014 platform/x86: toshiba_acpi: remove sparse_keymap_free() calls
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>
2017-03-14 22:58:11 -07:00
Michał Kępień
c6d973f474 platform/x86: toshiba-wmi: remove sparse_keymap_free() calls
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>
2017-03-14 22:58:11 -07:00
Michał Kępień
3f2e1a323a platform/x86: topstar-laptop: remove sparse_keymap_free() calls
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>
2017-03-14 22:58:10 -07:00
Michał Kępień
b09b9195b3 platform/x86: panasonic-laptop: remove sparse_keymap_free() calls
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().

As this reduces acpi_pcc_destroy_input() to one line, replace all calls
to that function with direct calls to input_unregister_device().

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-03-14 22:58:09 -07:00
Michał Kępień
0788e3375a platform/x86: msi-wmi: remove sparse_keymap_free() calls
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>
2017-03-14 22:58:08 -07:00
Michał Kępień
7cb8aa8caf platform/x86: msi-laptop: remove sparse_keymap_free() calls
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().

As this reduces msi_laptop_input_destroy() to one line, replace all
calls to that function with direct calls to input_unregister_device().

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-03-14 22:58:07 -07:00
Michał Kępień
c973d4b578 platform/x86: ideapad-laptop: remove sparse_keymap_free() calls
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>
2017-03-14 22:58:07 -07:00
Michał Kępień
3a3c1115ce platform/x86: hp-wmi: remove sparse_keymap_free() calls
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>
2017-03-14 22:58:06 -07:00
Michał Kępień
de3c91c1ce platform/x86: eeepc-laptop: remove sparse_keymap_free() calls
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>
2017-03-14 22:58:05 -07:00
Michał Kępień
815edfe7ad platform/x86: dell-wmi: remove sparse_keymap_free() calls
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().

As this reduces dell_wmi_input_destroy() to one line, replace all calls
to that function with direct calls to input_unregister_device().

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-03-14 22:58:04 -07:00
Michał Kępień
469b017045 platform/x86: dell-wmi-aio: remove sparse_keymap_free() calls
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>
2017-03-14 22:58:04 -07:00
Michał Kępień
c2ef3a1c97 platform/x86: asus-wmi: remove sparse_keymap_free() calls
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>
2017-03-14 22:58:03 -07:00
Michał Kępień
f118b312bd platform/x86: asus-laptop: remove sparse_keymap_free() calls
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>
2017-03-14 22:58:02 -07:00
Michał Kępień
cd1aaef0b2 platform/x86: acer-wmi: remove sparse_keymap_free() calls
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>
2017-03-14 22:58:02 -07:00
Michał Kępień
c2cddd4f7d platform/x86: fujitsu-laptop: cleanup error labels in fujitsu_init()
Error labels currently used in fujitsu_init() are really hard to follow:
some (fail_laptop) indicate which operation has failed, others
(fail_sysfs_group) indicate where unrolling should start and the rest
(fail_platform_driver) is simply confusing.  Change them to follow the
pattern used throughout the rest of the module, i.e. make every label
indicate the first unrolling operation it leads to.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Jonathan Woithe <jwoithe@just42.net>
2017-03-14 22:57:18 -07:00
Michał Kępień
aea3137c2c platform/x86: fujitsu-laptop: only register backlight device if FUJ02B1 is present
As the backlight device registered by fujitsu-laptop relies on the
FUJ02B1 ACPI device being present, only register the backlight device
once that ACPI device is detected.

Suggested-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Jonathan Woithe <jwoithe@just42.net>
2017-03-14 22:57:17 -07:00
Michał Kępień
1877e267b3 platform/x86: fujitsu-laptop: sync backlight power status in acpi_fujitsu_laptop_add()
Registering an ACPI driver does not mean the device it handles has to
exist.  As the code which syncs backlight power status uses
call_fext_func(), it needs the FUJ02E3 ACPI device to be present, so
ensure that code is only run once the FUJ02E3 device is detected.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Jonathan Woithe <jwoithe@just42.net>
2017-03-14 22:57:17 -07:00
Michał Kępień
b8d69c16a0 platform/x86: fujitsu-laptop: register backlight device in a separate function
Move code responsible for backlight device registration to a separate
function in order to simplify error handling and decrease indentation.
Simplify initialization of struct backlight_properties.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Jonathan Woithe <jwoithe@just42.net>
2017-03-14 22:57:16 -07:00
Michał Kępień
d2aa3ae86d platform/x86: fujitsu-laptop: simplify brightness key event generation logic
Returning early when there is no brightness change allows removal of a
duplicate code block, makes the purpose of the following code clearer
and allows the condition surrounding key event generation to be removed.
Local integer variables can also be declared in a single line.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Jonathan Woithe <jwoithe@just42.net>
2017-03-14 22:57:15 -07:00
Michał Kępień
5efc800463 platform/x86: fujitsu-laptop: decrease indentation in acpi_fujitsu_bl_notify()
acpi_fujitsu_bl_notify() is pretty deeply nested, which hurts
readability.  Strip off one level of indentation by returning early when
the event code supplied as argument is not ACPI_FUJITSU_NOTIFY_CODE1.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Jonathan Woithe <jwoithe@just42.net>
2017-03-14 22:57:14 -07:00
Sven Rebhan
1f3bc53d84 platform/x86: ideapad-laptop: Add IdeaPad 310-15IKB to no_hw_rfkill
Like other Lenovo models the IdeaPad 310-15IKB does not have an hw rfkill
switch. This results in hard-blocked radios after boot, resulting in
always blocked radios rendering them unusable.

Add the IdeaPad 310-15IKB to the no_hw_rfkill DMI list and allows using
the built-in radios.

Signed-off-by: Sven Rebhan <Sven.Rebhan@googlemail.com>
[andy: massaged commit message]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-03-14 22:57:14 -07:00
Christian Kellner
696c6523ec platform/x86: thinkpad_acpi: add mapping for new hotkeys
The T470, X270 emits new hkey events in the 0x1311 - 0x1315 range.
According to the user manual they should launch a user selected
favorite application (star icon, 0x1311), snipping tool (0x1312,
currently ignored), enable/disable bluetooth (0x1314) and open they
keyboard settings (0x1315).

The third nibble (0xf00) is used to differentiate between the original
hotkeys, the adaptive keyboard codes and the new, additional ones.

Signed-off-by: Christian Kellner <ckellner@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-03-14 22:57:13 -07:00
Christian Kellner
149c8c75b3 platform/x86: thinkpad_acpi: guard generic hotkey case
Currently when dispatching hotkeys we check if the scancode is in
the range of 0 and TPACPI_HOTKEY_MAP_LEN, although the bottom 20
entries in the hotkey keymap are already adaptive keycodes.
Therefore we introduce a TP_ACPI_HOTKEYSCAN_ADAPTIVE_START and
ensure that we are in the range 0 and ADAPTIVE_START for the generic
keycode case.

Signed-off-by: Christian Kellner <ckellner@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-03-14 22:57:12 -07:00
Michał Kępień
faf667efdb platform/x86: intel-hid: remove redundant set_bit() call
Remove redundant set_bit() call for KEY_RFKILL as it is already made by
sparse_keymap_setup() due to KEY_RFKILL being assigned to event code 8
in intel_hid_keymap.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Alex Hung <alex.hung@canonical.com>
2017-03-14 22:57:12 -07:00
Michał Kępień
175cc9b72f platform/x86: intel-hid: use devm_input_allocate_device() for HID events input device
intel_hid_input_setup() is only called from the platform driver's .probe
callback.  Use the devm variant of input_allocate_device() for
allocating memory for the HID events input device in order to simplify
two error paths and get rid of intel_hid_input_destroy().

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Alex Hung <alex.hung@canonical.com>
2017-03-14 22:57:11 -07:00
Michał Kępień
99a75e7b05 platform/x86: intel-hid: make intel_hid_set_enable() take a boolean argument
As the integer value passed to intel_hid_set_enable() is always
explicitly passed and is used solely as a boolean value, make it a bool.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Alex Hung <alex.hung@canonical.com>
2017-03-14 22:57:10 -07:00
Michał Kępień
93ed249075 platform/x86: intel-hid: simplify enabling/disabling HID events
ACPI method HDSM takes a single integer argument.  Use
acpi_execute_simple_method() instead of acpi_evaluate_object() for
calling that ACPI method to simplify code and reduce the number of local
variables inside intel_hid_set_enable().

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Alex Hung <alex.hung@canonical.com>
2017-03-14 22:57:09 -07:00
Linus Torvalds
065f3e4951 platform-drivers-x86 for v4.11-2
Asus fixes for the airplane LED and a long awaited fujitsu cleanup.
 
 asus-wmi:
  - Remove quirk_no_rfkill
  - Detect quirk_no_rfkill from the DSDT
 
 fujitsu-laptop:
  - remove redundant MODULE_ALIAS entries
  - autodetect LCD interface on all models
  - simplify acpi_bus_register_driver() error handling
  - remove redundant forward declarations
  - replace numeric values with constants
  - rename FUNC_RFKILL to FUNC_FLAGS
  - make platform-related variables match naming convention
  - replace "hotkey" with "laptop" in symbol names
  - clearly denote backlight-related symbols
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Merge tag 'platform-drivers-x86-v4.11-2' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver updates from Darren Hart:
 "Asus fixes for the airplane LED and a long awaited fujitsu cleanup.

  asus-wmi:
   - Remove quirk_no_rfkill
   - Detect quirk_no_rfkill from the DSDT

  fujitsu-laptop:
   - remove redundant MODULE_ALIAS entries
   - autodetect LCD interface on all models
   - simplify acpi_bus_register_driver() error handling
   - remove redundant forward declarations
   - replace numeric values with constants
   - rename FUNC_RFKILL to FUNC_FLAGS
   - make platform-related variables match naming convention
   - replace "hotkey" with "laptop" in symbol names
   - clearly denote backlight-related symbols"

* tag 'platform-drivers-x86-v4.11-2' of git://git.infradead.org/linux-platform-drivers-x86:
  platform/x86: asus-wmi: Remove quirk_no_rfkill
  platform/x86: asus-wmi: Detect quirk_no_rfkill from the DSDT
  platform/x86: fujitsu-laptop: remove redundant MODULE_ALIAS entries
  platform/x86: fujitsu-laptop: autodetect LCD interface on all models
  platform/x86: fujitsu-laptop: simplify acpi_bus_register_driver() error handling
  platform/x86: fujitsu-laptop: remove redundant forward declarations
  platform/x86: fujitsu-laptop: replace numeric values with constants
  platform/x86: fujitsu-laptop: rename FUNC_RFKILL to FUNC_FLAGS
  platform/x86: fujitsu-laptop: make platform-related variables match naming convention
  platform/x86: fujitsu-laptop: replace "hotkey" with "laptop" in symbol names
  platform/x86: fujitsu-laptop: clearly denote backlight-related symbols
2017-03-13 13:23:43 -07:00
João Paulo Rechi Vita
d1c4e9bf73 platform/x86: asus-wmi: Remove quirk_no_rfkill
With the detection introduced in the previous patches, we don't need
these static DMI-based quirks anymore.

This reverts the following commits:
56a37a7200 "asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UA"
a961a285b4 "asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UF"
6b7ff2af52 "asus-wmi: Add quirk_no_rfkill for the Asus Z550MA"
02db9ff7af "asus-wmi: Add quirk_no_rfkill for the Asus U303LB"
2d735244b7 "asus-wmi: Add quirk_no_rfkill for the Asus N552VW"
a977e59c0c "asus-wmi: Create quirk for airplane_mode LED"

Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[dvhart: minor commit message corrections]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-03-12 16:41:55 -07:00
Ingo Molnar
4f17722c72 sched/headers: Prepare for new header dependencies before moving code to <linux/sched/loadavg.h>
We are going to split <linux/sched/loadavg.h> out of <linux/sched.h>, which
will have to be picked up from a couple of .c files.

Create a trivial placeholder <linux/sched/topology.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:27 +01:00
João Paulo Rechi Vita
71050ae7bf platform/x86: asus-wmi: Detect quirk_no_rfkill from the DSDT
Some Asus laptops that have an airplane-mode indicator LED, also have
the WMI WLAN user bit set, and the following bits in their DSDT:

    Scope (_SB)
    {
      (...)
      Device (ATKD)
      {
        (...)
        Method (WMNB, 3, Serialized)
        {
          (...)
          If (LEqual (IIA0, 0x00010002))
          {
            OWGD (IIA1)
            Return (One)
          }
        }
      }
    }

So when asus-wmi uses ASUS_WMI_DEVID_WLAN_LED (0x00010002) to store the
wlan state, it drives the airplane-mode indicator LED (through the call
to OWGD) in an inverted fashion: the LED is ON when airplane mode is OFF
(since wlan is ON), and vice-versa.

This commit skips registering RFKill switches at all for these laptops,
to allow the asus-wireless driver to drive the airplane mode LED
correctly through the ASHS ACPI device. Relying on the presence of ASHS
and ASUS_WMI_DSTS_USER_BIT avoids adding DMI-based quirks for at least
21 different laptops.

Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-26 17:01:48 +02:00
Alan Jenkins
5802d0bc3f platform/x86: fujitsu-laptop: remove redundant MODULE_ALIAS entries
MODULE_DEVICE_TABLE is all that is needed for fujitsu-laptop to be
properly autoloaded based on presence of its associated ACPI devices, so
remove redundant MODULE_ALIAS entries.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
[kempniu: rebase patch, rewrite commit message]
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
2017-02-26 17:01:48 +02:00
Alan Jenkins
5296a73613 platform/x86: fujitsu-laptop: autodetect LCD interface on all models
Presence of ACPI method SBL2 should be checked on all models rather than
just the ones with predefined hotkey keycode overrides.  Move most of
dmi_check_cb_common() to acpi_fujitsu_bl_add().  Adjust indentation to
make checkpatch happy.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
[kempniu: rebase patch, rewrite commit message]
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
2017-02-26 17:01:48 +02:00
Alan Jenkins
c1d1e8a051 platform/x86: fujitsu-laptop: simplify acpi_bus_register_driver() error handling
A separate variable is not needed to handle error codes returned by
acpi_bus_register_driver().  If the latter fails, just use the value it
returned as the value returned by fujitsu_init().

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
[kempniu: rebase patch, rewrite commit message]
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
2017-02-26 17:01:07 +02:00
Alan Jenkins
8c590e339f platform/x86: fujitsu-laptop: remove redundant forward declarations
Both acpi_fujitsu_bl_notify() and acpi_fujitsu_laptop_notify() are
defined before they are first used, so remove their forward declarations
as they are redundant.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
[kempniu: rebase patch, rewrite commit message]
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
2017-02-26 17:01:07 +02:00
Alan Jenkins
d3dd4480f8 platform/x86: fujitsu-laptop: replace numeric values with constants
Replace three repeating numeric values with constants to improve code
clarity.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
[kempniu: rebase patch, rewrite commit message]
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
2017-02-26 17:01:07 +02:00
Alan Jenkins
8ef27bd341 platform/x86: fujitsu-laptop: rename FUNC_RFKILL to FUNC_FLAGS
FUNC subfunction 0x1000 is currently referred to as FUNC_RFKILL, which
is misleading, because it handles more than just radio devices (also
lid, dock, LEDs).  Rename the FUNC_RFKILL constant to FUNC_FLAGS.
Replace "rfkill" with "flags" in the names of its associated fields
inside struct fujitsu_laptop.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
[kempniu: rebase patch, rewrite commit message]
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
2017-02-26 17:01:07 +02:00
Alan Jenkins
1650602691 platform/x86: fujitsu-laptop: make platform-related variables match naming convention
Replace "fujitsupf" with "fujitsu_pf" in all platform-related variable
names to match the module-wide naming convention.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
[kempniu: rebase patch, rewrite commit message]
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
2017-02-26 17:01:07 +02:00