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We should pass the data to the data register.
Signed-off-by: Jianwei Yang <jianwei.yang@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It looks like there is an off-by-one error in one of your changes to
drivers/staging/rar_register/rar_register.c:
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The machines I have appear to provide their return value in the arguments
structure, not the output structure. Rework the driver to use that again
in order to get rfkill working again.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Don't ask how ACPI_TOSHIBA got enabled on in desktop system's .config -
I don't know. But it has silently been there until I tried 2.6.36-rc2,
where it broke the build because I don't have LED support turned on.
Attached patch fixes things up.
(I had to change BACKLIGHT_CLASS_DEVICE to "depends" because otherwise
I get unsightly core dumps out of scripts/kconfig/conf).
jon
--
toshiba: make sure we pull in LED support
The Toshiba extras driver uses the LED module, so make sure we have it
configure in.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Like others in the Mini series, the Dell Mini 1012 does not support
the smbios hook required by dell-laptop.
Signed-off-by: Victor van den Elzen <victor.vde@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
On the T410s and most likely other current models, Fn-F6 is labeled as
Camera/Headphone key. Report key presses as KEY_CAMERA.
Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org>
Acked-by: Jerone Young <jerone.young@canonical.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Use the quirks engine to select model-specific keymaps, which makes
it much easier to extend should we need it.
Keycodes are based on the tables at
http://www.thinkwiki.org/wiki/Default_meanings_of_special_keys.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Use a safer coding style for the hotkey keymap. This does not fix any
problems, as the current code is correct. But it might help avoid
mistakes in the future.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
acpi_video_backlight_support() already tells us if ACPI is handling
backlight control through the generic ACPI handle. It is better to just
trust it.
While at it, adjust down a printk priority, and test earlier for
brightness_enable=0.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The Linux ACPI core locates the ACPI video devices for us and marks them
with ACPI_VIDEO_HID. Use that information to locate the video device
instead of a half-baked hunt for _BCL.
This uncouples the detection of the number of backlight brightness
levels on ThinkPads from the ACPI paths in vid_handle.
With this change, the driver should be able to always detect whether the
ThinkPad uses a 8-level or 16-level brightness scale even on newer
models for which the vid_handle paths have not been updated yet.
It will skip deactivated devices in the ACPI device tree, which is a
change in behaviour.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
There is a potential NULL dereference of "limits." We can just return
NULL earlier to avoid it. The caller already handles NULL returns.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The assignment of ret to -EIO appears to only make sense if the branch that
it is aligned with is executed, so move it into that branch.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r disable braces4@
position p1,p2;
statement S1,S2;
@@
(
if (...) { ... }
|
if (...) S1@p1 S2@p2
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
if (p1[0].column == p2[0].column):
cocci.print_main("branch",p1)
cocci.print_secs("after",p2)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
IRQ and resource[] may not have correct values until
after PCI hotplug setup occurs at pci_enable_device() time.
The semantic match that finds this problem is as follows:
// <smpl>
@@
identifier x;
identifier request ~= "pci_request.*|pci_resource.*";
@@
(
* x->irq
|
* x->resource
|
* request(x, ...)
)
...
*pci_enable_device(x)
// </smpl>
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
We don't need a dev_warn when we exceed a thermal or power limit as
we'll handle it appropriately by clamping down on the CPU, GPU or both
as needed.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Size for PMIC read/write command is byte, while it is DWORD for other
IPC commands.
Signed-off-by: Hong Liu <hong.liu@intel.com>
Signed-off-by: ALan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Data is 2-byte per entry for PMIC read-modify-update command.
Signed-off-by: Hong Liu <hong.liu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Don't pass more bytes in the command length field than we filled.
Signed-off-by: Andy Ross <andy.ross@windriver.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
some messages take 4 bytes, but only fill 3 bytes....
this patch makes sure that whatever we send to the SCU is zeroed first
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The stack buffer for IPC messages was 16 bytes, limiting messages to a
size of 4 (each message is 32 bit).
However, the touch screen driver is trying to send messages of size 5....
(AC: Set to 20 bytes having checked the max size allowed)
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This provides an architecture level board identify function to replace the
cpuid direct usage
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The firmware of production devices does not support this interface so this
is dead code.
Signed-off-by: Sreedhara DS <sreedhara.ds@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Changes to work on bothMmoorestown and Medfield
New pci id added for Medfield
Return type of ipc_data_readl chnaged from u8 to u32
Signed-off-by: Sreedhara DS <sreedhara.ds@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Intel SCU message formats depend upon the processor type. Replace the
module option with automatic detection of the processor type.
Signed-off-by: Sreedhara DS <sreedhara.ds@intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
My .config contains ACER_WMI=m. On SPARC. That does not make sense.
Restrict the x86 platform driver menu to x86.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Make dell_laptop_i8042_filter() static as it's used only in dell-laptop.c
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This patch includes below fixes:
1. return -ENOMEM instead of 0 if input_allocate_device fail.
2. fix wrong goto if sparse_keymap_setup fail.
3. fix wrong goto if input_register_device fail.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
backlight is needlessly defined global.
This patch makes the symbol static.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Add support for Toshiba Illumination. This is a set of LEDs installed on
some Toshiba laptops. It is controlled through ACPI, the commands has been
found through reverse engineering. It has been tested on a Toshiba Qosmio
G50-122.
Signed-off-by: Pierre Ducroquet <pinaraf@pinaraf.info>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Moorestown has PMIC chip which contains GPIO blocks. The PMIC chip is
connected to Langwell by SPI interface. So this GPIO driver will be regarded
as SPI GPIO expander though the actual GPIO access is through IPC and SRAM.
The SPI master contoller will probe this device driver by parsing SPIB table.
Cleaned up for new IPC, GPE removed and some printk and other tidying by
Alan Cox. Fixes for points noted by Matthew Garrett
Signed-off-by: Alek Du <alek.du@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
In current implementation, acpi_pcc_write_sset return 1
if write is successful, 0 if write is failed.
But all the callers consider acpi_pcc_write_sset return 0
if write is successful and return negtive if write is failed.
This patch changes the implementation of acpi_pcc_write_sset to
return 0 if write is successful, -EIO if write is failed.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The hotplug_disabled module parameter is determinated at the module load
time. Change the value after the module is loaded does not make sense and
has no effect at all, thus set the permissions to 0444 instead of 0644.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The wapf module parameters defines the behavior of the Fn+Fx wlan key.
The wlan_status and bluetooth_status module parameters are for setting the
wlan/bluetooth status on boot.
All above module parameters are determinated only at the module load time.
Change the value after the module is loaded does not make sense and has
no effect at all, thus set the permissions to 0444 instead of 0644.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Remove non-used acer_quirks struct definition.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
When acpi_evaluate_object() is passed ACPI_ALLOCATE_BUFFER, the caller
must kfree the returned buffer if AE_OK is returned.
Call Trace:
wmab_execute
-> wmi_evaluate_method
-> acpi_evaluate_object
Thus if callers of wmab_execute() pass ACPI_ALLOCATE_BUFFER, the return
buffer must be kfreed if wmab_execute return AE_OK.
[akpm@linux-foundation.org: avoid multiple return points, remove unneeded cast, remove unneeded initialisation of `status']
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
When acpi_evaluate_object() is passed ACPI_ALLOCATE_BUFFER, the caller
must kfree the returned buffer if AE_OK is returned.
The callers of wmi_query_block() pass ACPI_ALLOCATE_BUFFER, and thus must
check its return value before accessing or kfree() on the buffer.
This patch adds a missing kfree(out.pointer) before exit
WMID_set_capabilities() and get_wmid_devices().
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
To improve readability rename add_device() to
create_toshiba_proc_entries() and rename remove_device() to
remove_toshiba_proc_entries().
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Márton Németh <nm127@freemail.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Add error checking and return -ENOMEM if input_allocate_device() fail.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Thomas Renninger <trenn@suse.de>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
remove_device() and add_device() are not related to ACPI APIs, it does not
make sense to return acpi_status for both functions.
Current implementation of add_device() always AE_OK, thus the return value
checking for add_device() always return false for ACPI_FAILURE(status).
This patch makes add_device() to be void and remove the unnecessary return
value checking.
remove_proc_entry() won't fail, thus change remove_device() to be void.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Márton Németh <nm127@freemail.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Fix resource reclaim in below cases:
1. acerhdf_register_platform() does not properly handle
platform_device_alloc() failure and platform_device_add() failure This
patch adds error handing for acerhdf_register_platform().
2. acerhdf_register_platform() return err with acerhdf_dev == NULL.
as a result, acerhdf_unregister_platform() does not do resource reclaim
in acerhdf_init() error path. This patch adds error handing for
acerhdf_register_platform(), thus correct the error handing path in
acerhdf_init(). goto out_err instead of err_unreg if
acerhdf_register_platform() fail.
3. platform_device_del() should only used in error handling. Current
implementation missed a platform_device_put() in acerhdf_exit. This
patch fixes it by using platform_device_unregister() instead of
platform_device_del() in acerhdf_unregister_platform.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Peter Feuerer <peter@piie.net>
Cc: Matthew Garrett <mjg@redhat.com>
Acked-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
In current implementation, store_ledd() does not return error if
write_acpi_int fail. This patch fixes it by return -ENODEV if
write_acpi_int fail.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
