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2008-01-10Update kernel parameter document for libata DMA mode setting knobs.FD Cami
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-08[IPV4] ipconfig: Fix regression in ip command line processingAmos Waterland
The recent changes for ip command line processing fixed some problems but unfortunately broke some common usage scenarios. In current 2.6.24-rc6 the following command line results in no IP address assignment, which is surely a regression: ip=10.0.2.15::10.0.2.2:255.255.255.0::eth0:off Please find below a patch that works for all cases I can find. Signed-off-by: Amos Waterland <apw@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-03Console is utf-8 by defaultSamuel Thibault
The console is now by default in UTF-8 mode. Fix the documentation on the default value, so that we can explain behaviour that otherwise causes bug-reports like this: http://bugzilla.kernel.org/show_bug.cgi?id=9319 Also add the needed "vt." prefix, so that the boot-time config options to switch back to the legacy 8-bit mode is actually documented correctly. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-26[IPV4]: Fix ip command line processing.Simon Horman
Recently the documentation in Documentation/nfsroot.txt was update to note that in fact ip=off and ip=::::::off as the latter is ignored and the default (on) is used. This was certainly a step in the direction of reducing confusion. But it seems to me that the code ought to be fixed up so that ip=::::::off actually turns off ip autoconfiguration. This patch also notes more specifically that ip=on (aka ip=::::::on) is the default. Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-17Documentation: update hugetlb informationNishanth Aravamudan
The hugetlb documentation has gotten a bit out of sync with the current code. Updated the sysctl file to refer to Documentation/vm/hugetlbpage.txt. Update that file to contain the current state of affairs (with the newer named sysctl in place). Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Acked-by: Adam Litke <agl@us.ibm.com> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-17Fix lguest documentationSheela
Share net is not supported, Rusty is an "idiot" . Signed-off-by: Sheela Sequeira <sheela.sequeira@gmail.com> Reviewed-by: James Morris <jmorris@namei.org> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6: HOWTO: update misspelling and word incorrected add stable_api_nonsense.txt in korean HOWTO: change addresses of maintainer and lxr url for Korean HOWTO Add Documentation for FAIR_USER_SCHED sysfs files HOWTO: Change man-page maintainer address for Japanese HOWTO tipar: remove obsolete module kobject: fix the documentation of how kobject_set_name works
2007-12-17HOWTO: update misspelling and word incorrectedbarrios
Signed-off-by: barrios <minchan.kim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-12-17add stable_api_nonsense.txt in koreanbarrios
Signed-off-by: barrios <minchan.kim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-12-17HOWTO: change addresses of maintainer and lxr url for Korean HOWTOminchan kim
So sorry. again My mail is set with EUC-kR. I'll resend with UTF-8. Signed-off-by: barrios <minchan.kim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-12-17Add Documentation for FAIR_USER_SCHED sysfs filesDhaval Giani
This patch adds documentation about /sys/kernel/uids/<uid>/cpu_share to Documentation/ABI. Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-12-17HOWTO: Change man-page maintainer address for Japanese HOWTOTsugikazu Shibata
Below is a patch to change email address of man-page maintainer for Japanese HOWTO document (Documentation/ja_JP/HOWTO). This is for sync to Documentation/HOWTO that Michael Kerrisk mentioned to me. From: Tsugikazu Shibata <tshibata@ab.jp.nec.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-12-17tipar: remove obsolete moduleRomain Liévin
tipar: remove obsolete module The tipar character driver was used to implement bit-banging access to Texas Instruments parallel link cable. A user-land method now exists thru PPDEV & PARPORT. Signed-off-by: Romain Liévin <roms@lpg.ticalc.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-12-14[IPV4]: Updates to nfsroot documentationAmos Waterland
The difference between ip=off and ip=::::::off has been a cause of much confusion. Document how each behaves, and do not contradict ourselves by saying that "off" is the default when in fact "any" is the default and is descibed as being so lower in the file. Signed-off-by: Amos Waterland <apw@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-12i2c: Delete an outdated piece of documentationJean Delvare
I'm amazed that this old piece of documentation managed to survive until today. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-12-07bonding: Add new layer2+3 hash for xor/802.3ad modesJay Vosburgh
Add new hash for balance-xor and 802.3ad modes. Originally submitted by "Glenn Griffin" <ggriffin.kernel@gmail.com>; modified by Jay Vosburgh to move setting of hash policy out of line, tweak the documentation update and add version update to 3.2.2. Glenn's original comment follows: Included is a patch for a new xmit_hash_policy for the bonding driver that selects slaves based on MAC and IP information. This is a middle ground between what currently exists in the layer2 only policy and the layer3+4 policy. This policy strives to be fully 802.3ad compliant by transmitting every packet of any particular flow over the same link. As documented the layer3+4 policy is not fully compliant for extreme cases such as ip fragmentation, so this policy is a nice compromise for environments that require full compliance but desire more than the layer2 only policy. Signed-off-by: "Glenn Griffin" <ggriffin.kernel@gmail.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-11-29x86_64 EFI boot support: EFI boot documentHuang, Ying
This patch adds document for EFI x86_64 boot support. The setup and operation guide of EFI based system is documented in Documentation/x86_64/uefi.txt. Signed-off-by: Chandramouli Narayanan <mouli@linux.intel.com> Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-29The namespaces compatibility list docPavel Emelyanov
People discuss how the namespaces are working/going-to-work together. Ted Ts'o proposed to create some document that describes what problems user may have when he/she creates some new namespace, but keeps others shared. I liked this idea, so here's the initial version of such a document with the problems I currently have in mind and can describe somewhat audibly - the "namespaces compatibility list". The Documentation/namespaces/ directory is about to contain more docs about the namespaces stuff. Thanks to Cedirc for notes and spell checks on the doc, to Daniel for additional info about IPC and User namespaces interaction and to Randy, who alluded me to using a spell checker before sending the documentation :) Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Daniel Lezcano <dlezcano@fr.ibm.com> Cc: Theodore Tso <tytso@mit.edu> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-29termios: document callback more clearlyAlan Cox
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (25 commits) USB: s3c2410 gadget: ensure vbus pin in input mode during read USB: s3c2410 gadget: allow sharing of vbus irq USB: s3c2410 gadget: Header move fixups USB: usb-storage: unusual_devs entry for JetFlash TS1GJF2A USB: fix up EHCI startup synchronization USB: make the microtek driver and HAL cooperate USB: uevent environment key fix USB: keep track of whether interface sysfs files exist USB: sierra: new product id USB HCD: avoid duplicate local_irq_disable() USB: mailing lists have changed USB: remove USB HUB entry from MAINTAINERS USB: fix directory references in usb/README USB: add support for an older firmware revision for the Nikon D200 USB: FIx locks and urb->status in adutux (updated) USB: power-management documenation update USB: Fix signr comment in usbdevice_fs.h usbserial: fix inconsistent lock state USB: fix usbled disconnect read race #2 USB: free memory when writing fails in usb/serial/mos7840.c ...
2007-11-28USB: power-management documenation updateAlan Stern
This patch (as1014) was partly written by Tilman Schmidt. It clarifies the USB power-management documentation by explaining that when a disconnect occurs, a suspend method call might not be followed by either a resume or a reset_resume call. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-28UIO: add UIO documentation target to DocBook MakefileHans J Koch
Add the DocBook documentation for the Userspace I/O framework to the Makefile. Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: Hans J Koch <hjk@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-28UIO: fix up the UIO documentationHans J Koch
Remove references to the old uio_dummy demo module from UIO documentation. Add a small paragraph to make it clearer that UIO is not a universal driver interface. Signed-off-by: Hans J Koch <hjk@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-26plip: fix parport_register_device name parameterMikulas Patocka
Plip passes a string "name" that is allocated on stack to parport_register_device. parport_register_device holds the pointer to "name" and when the registering function exits, it points nowhere. On some machine, this bug causes bad names to appear in /proc, such as /proc/sys/dev/parport/parport0/devices/T^/�X^/�, on others, the plip proc node is completely missing. The patch also fixes documentation to note this requirement. Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: virtio: fix net driver loop case where we fail to restart module: fix and elaborate comments virtio: fix module/device unloading lguest: Fix uninitialized members in example launcher
2007-11-26Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (39 commits) ACPI: EC: Workaround for optimized controllers (version 3) ACPI: EC: use printk_ratelimit(), add some DEBUG mode messages Revert "ACPI: EC: Workaround for optimized controllers" ACPI: fix two IRQ8 issues in IOAPIC mode ACPI: Add missing spaces to printk format cpuidle: fix HP nx6125 regression cpuidle: add sched_clock_idle_[sleep|wakeup]_event() hooks cpuidle: fix C3 for no bus-master control case ACPI: thinkpad-acpi: fix oops when a module parameter has no value Revert "Fix very high interrupt rate for IRQ8 (rtc) unless pnpacpi=off" ACPI: EC: Don't init EC early if it has no _INI Revert "acpi: make ACPI_PROCFS default to y" Revert "ACPI: add documentation for deprecated /proc/acpi/battery in ACPI_PROCFS" ACPI: Split out control for /proc/acpi entries from battery, ac, and sbs. ACPI: Video: Increase buffer size for writes to brightness proc file. ACPI: EC: Workaround for optimized controllers ACPI: SBS: Fix retval warning ACPI: Enable MSR (FixedHW) support for T-States ACPI: Get throttling info from BIOS only after evaluating _PDC ACPI: Use _TSS for throttling control, when present. Add error checks. ...
2007-11-20Pull thinkpad-2.6.24 into release branchLen Brown
2007-11-19[POWERPC] Document rgmii-rxid and rgmii-txid phy-connection-typesKim Phillips
A h/w bug requires we program the PHY in RGMII mode for internal delay on the receive or transmit side only; document the new property values. Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-11-19lguest: Fix uninitialized members in example launcherRusty Russell
Thanks valgrind! Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2007-11-14feature-removal-schedule: remove SA_* flags entryAdrian Bunk
No reason to keep the feature-removal-schedule.txt entry after the code was removed. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14Linux Kernel Markers: document format stringMathieu Desnoyers
Describes the format string standard further: Use of field names before the type specifiers.. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14make getdelays cgroupstats awareBalbir Singh
Update the getdelays utility to become cgroupstats aware. A new -C option has been added. It takes in a control group path and prints out a summary of the states of tasks in the control group Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14rtc: tweak driver documentation for rtc periodicMike Frysinger
The max_user_freq member is not really meant for RTC drivers to modify, so update the rtc documentation so drivers writers know what is expected of them when handling periodic events. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-13Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6Linus Torvalds
* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6: hwmon: (i5k_amb) Convert macros to C functions hwmon: (w83781d) Add missing curly braces hwmon: (abituguru3) Identify ABit IP35 Pro as such hwmon: (f75375s) pwmX_mode sysfs files writable for f75375 variant hwmon: (f75375s) On n2100 systems, set fans to full speed on boot hwmon: (f75375s) Allow setting up fans with platform_data hwmon: (f75375s) Add new style bindings hwmon: (lm70) Convert semaphore to mutex hwmon: (applesmc) Add support for Mac Pro 2 x Quad-Core hwmon: (abituguru3) Add support for 2 new motherboards hwmon: (ibmpex) Change printk to dev_{info,err} macros hwmon: (i5k_amb) New memory temperature sensor driver hwmon: (f75375s) fix pwm mode setting hwmon: (ibmpex.c) fix NULL dereference hwmon: (sis5595) Split sis5595_attributes_opt hwmon: (sis5595) Add individual alarm files hwmon: (w83627hf) push nr+1 offset into *_REG_FAN macros and simplify hwmon: (w83627hf) hoist nr-1 offset out of show-store-temp-X hwmon: Add power meter spec to Documentation/hwmon/sysfs-interface
2007-11-12[NET]: Remove references to net-modules.txt.Adrian Bunk
When I removed net-modules.txt because it only contained ancient information I missed that many Kconfig entries pointed to this ancient information. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-12virtio: Force use of power-of-two for descriptor ring sizesRusty Russell
The virtio descriptor rings of size N-1 were nicely set up to be aligned to an N-byte boundary. But as Anthony Liguori points out, the free-running indices used by virtio require that the sizes be a power of 2, otherwise we get problems on wrap (demonstrated with lguest). So we replace the clever "2^n-1" scheme with a simple "align to page boundary" scheme: this means that all virtio rings take at least two pages, but it's safer than guessing cache alignment. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2007-11-12lguest: Fix lguest virtio-blk backend size computationAnthony Liguori
This seems like an obvious typo but it's worked in the past because the virtio blk frontend just ignores the length field on completion. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2007-11-09Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (37 commits) [POWERPC] EEH: Make sure warning message is printed [POWERPC] Make altivec code in swsusp_32.S depend on CONFIG_ALTIVEC [POWERPC] windfarm: Fix windfarm thread freezer interaction [POWERPC] Fix si_addr value on low level hash failures [POWERPC] Refresh ppc64_defconfig and enable pasemi-related options [POWERPC] pasemi: Update defconfig [POWERPC] iSeries: Fix ref counting in vio setup [POWERPC] ] Fix memset size error [POWERPC] Fix link errors for allyesconfig [POWERPC] iSeries_init_IRQ non-PCI tidy [POWERPC] Change fallocate to match unistd.h on powerpc [POWERPC] EEH: Avoid crash on null device [POWERPC] EEH: Drivers that need reset trump others [POWERPC] EEH: Clean up comments [POWERPC] Fix off-by-one error in setting decrementer on Book E/4xx (v2) [POWERPC] Fix switch_slb handling of 1T ESID values [POWERPC] Fix build failure when CONFIG_VIRT_CPU_ACCOUNTING is not defined [POWERPC] Include udbg.h when using udbg_printf [POWERPC] Fix cache line vs. block size confusion [POWERPC] Fix sysctl table check failure on PowerMac ...
2007-11-08hwmon: Add power meter spec to Documentation/hwmon/sysfs-interfaceDarrick J. Wong
Update the hwmon sysfs interface documentation to include a specification for power meters. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-11-08Merge branch 'for-2.6.24' of ↵Paul Mackerras
master.kernel.org:/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx into merge
2007-11-08[POWERPC] Fix cache line vs. block size confusionBenjamin Herrenschmidt
We had an historical confusion in the kernel between cache line and cache block size. The former is an implementation detail of the L1 cache which can be useful for performance optimisations, the later is the actual size on which the cache control instructions operate, which can be different. For some reason, we had a weird hack reading the right property on powermac and the wrong one on any other 64 bits (32 bits is unaffected as it only uses the cputable for cache block size infos at this stage). This fixes the booting-without-of.txt documentation to mention the right properties, and fixes the 64 bits initialization code to look for the block size first, with a fallback to the line size if the property is missing. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-11-07[NET]: Remove Documentation/networking/pt.txtAdrian Bunk
There's no no point in keeping documentation for a driver that was removed many years ago. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-07[NET]: Remove Documentation/networking/routing.txtAdrian Bunk
This file is so outdated that I can't see any value in keeping it. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-07[NET]: Remove Documentation/networking/ncsa-telnetAdrian Bunk
Newsflash: There once was a version of NCSA telnet that had some bug. Spotted by Pekka Pietikainen. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-07[NET]: Remove comx driver docs.Adrian Bunk
The drivers have already been removed 3.5 years ago. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-07[NET]: Remove Documentation/networking/ConfigurableAdrian Bunk
After more than 11 years this file does no longer contain much useful information. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-05local_t Documentation updateMathieu Desnoyers
Grant Grundler was asking for more detail about correct usage of local atomic operations and suggested adding the resulting summary to local_ops.txt. "Please add a bit more detail. If DaveM is correct (he normally is), then there must be limits on how the local_t can be used in the kernel process and interrupt contexts. I'd like those rules spelled out very clearly since it's easy to get wrong and tracking down such a bug is quite painful." Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-05ACPI: thinkpad-acpi: bump up version to 0.17Henrique de Moraes Holschuh
The lm-sensors 3.0.0/libsensors4 compatibility changes are reason enough to bump up the version string. Do it. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
2007-11-05ACPI: thinkpad-acpi: prefer standard ACPI backlight level controlHenrique de Moraes Holschuh
Newer Lenovo BIOSes support the standard ACPI backlight brightness interface (_BCM, _BQC, _BCL). It should be used instead of the native thinkpad backlight brightness control interface when possible. This patch disables the native brightness support in the driver by default when we detect that the standard ACPI interface is available. The local admin can still enable it using the module parameter "brightness_enable". Note that we need to detect the standard ACPI backlight interface only in boxes for which we would load the native backlight interface in the first place, and that no ThinkPad BIOS has _BCL but misses the other methods, so the detection routines can be really simple. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
2007-11-05ACPI: thinkpad-acpi: add brightness_force parameterHenrique de Moraes Holschuh
Add a "brightness_enable" module parameter that allows the local admin to force the backlight support to not be enabled. It can also be used to force the backlight support to be enabled, but that is currently a no-op as the backlight support is enabled by default when available. This will be changed by a different patch. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>