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Thomas Renninger 22c13f9d81 ACPI: video: Ignore devices that aren't present in hardware 
This is a reimplemention of commit
0119509c4f
from Matthew Garrett <mjg59@srcf.ucam.org>

This patch got removed because of a regression: ThinkPads with a
Intel graphics card and an Integrated Graphics Device BIOS implementation
stopped working.
In fact, they only worked because the ACPI device of the discrete, the
wrong one, got used (via int10). So ACPI functions were poking on the wrong
hardware used which is a sever bug.
The next patch provides support for above ThinkPads to be able to
switch brightness via the legacy thinkpad_acpi driver and automatically
detect when to use it.

Original commit message from Matthew Garrett:
    Vendors often ship machines with a choice of integrated or discrete
    graphics, and use the same DSDT for both. As a result, the ACPI video
    module will locate devices that may not exist on this specific platform.
    Attempt to determine whether the device exists or not, and abort the
    device creation if it doesn't.

http://bugzilla.kernel.org/show_bug.cgi?id=9614

Signed-off-by: Thomas Renninger <trenn@suse.de>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 		2008-11-07 23:49:23 -05:00
..
accessibility
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acpi ACPI: video: Ignore devices that aren't present in hardware 2008-11-07 23:49:23 -05:00
amba
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ata libata: mask off DET when restoring SControl for detach 2008-11-04 01:08:33 -05:00
atm
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auxdisplay
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base sysfs: Fix return values for sysdev_store_{ulong,int} 2008-10-29 15:03:49 -07:00
block cciss: fix regression firmware not displayed in procfs 2008-11-06 15:41:18 -08:00
bluetooth bpa10x: free sk_buff with kfree_skb 2008-10-31 00:40:19 -07:00
cdrom gdrom: Fix compile error 2008-10-28 17:46:02 +09:00
char vt: incomplete initialization of vc_tab_stop 2008-11-06 15:41:17 -08:00
clocksource Merge branches 'timers/clocksource', 'timers/hrtimers', 'timers/nohz', 'timers/ntp', 'timers/posixtimers' and 'timers/debug' into v28-timers-for-linus 2008-10-20 13:14:06 +02:00
connector
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cpufreq
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cpuidle Merge branch 'v28-range-hrtimers-for-linus-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-10-23 10:53:02 -07:00
crypto
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dca device create: misc: convert device_create_drvdata to device_create 2008-10-16 09:24:43 -07:00
dio
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dma Merge branch 'i7300_idle' into release 2008-10-25 04:07:44 -04:00
edac edac: fix enabling of polling cell module 2008-10-30 11:38:46 -07:00
eisa
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firewire firewire: struct device - replace bus_id with dev_name(), dev_set_name() 2008-10-31 08:48:25 +01:00
firmware trivial: dmi_scan typo 2008-11-07 08:25:43 -08:00
gpio mfd: twl4030-gpio driver 2008-10-22 01:19:39 +02:00
gpu Merge branch 'io-mappings-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-11-03 10:15:40 -08:00
hid saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
hwmon hwmon: applesmc: add support for iMac 8 2008-11-06 15:41:17 -08:00
i2c i2c-s3c2410: Correct use of ! and & 2008-10-30 15:55:47 +01:00
ide ide-gd: re-get capacity on revalidate 2008-11-02 21:40:10 +01:00
idle i7300_idle: Cleanup based review comments 2008-10-24 12:55:14 -04:00
ieee1394 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2008-11-06 15:55:34 -08:00
infiniband saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
input saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
isdn device create: misc: convert device_create_drvdata to device_create 2008-10-16 09:24:43 -07:00
leds remove unused #include <version.h>'s 2008-11-01 09:50:12 -07:00
lguest
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macintosh device create: misc: convert device_create_drvdata to device_create 2008-10-16 09:24:43 -07:00
mca
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md md: linear: Fix a division by zero bug for very small arrays. 2008-11-06 19:41:24 +11:00
media V4L/DVB (9336): cx88: always de-alloc frontends on fault condition 2008-10-21 14:32:12 -02:00
memstick [PATCH] switch memstick 2008-10-21 07:48:33 -04:00
message trivial: MPT fusion - remove long dead code 2008-11-07 08:25:43 -08:00
mfd missing dependencies on HAVE_CLK in drivers/mfd 2008-11-01 12:40:38 -07:00
misc remove unused #include <version.h>'s 2008-11-01 09:50:12 -07:00
mmc [ARM] 5322/1: Fix fastpath issue in mmci.c 2008-10-28 00:00:42 +00:00
mtd Merge git://git.infradead.org/mtd-2.6 2008-11-06 15:43:13 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-11-06 16:44:23 -08:00
nubus nubus: fix mis-indented statement 2008-10-16 11:21:30 -07:00
of OF-device: Don't overwrite numa_node in device registration 2008-10-31 16:12:01 +11:00
oprofile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile 2008-10-23 10:05:40 -07:00
parisc [PATCH] introduce fmode_t, do annotations 2008-10-21 07:47:06 -04:00
parport Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 2008-10-30 12:52:53 -07:00
pci PCI: fix range check on mmapped sysfs resource files 2008-11-03 14:41:16 -08:00
pcmcia Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-10-31 16:18:02 +09:00
pnp drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
power Merge git://git.infradead.org/battery-2.6 2008-10-20 09:44:30 -07:00
ps3 powerpc/ps3: Fix compile error in ps3-lpm.c 2008-11-05 19:59:08 +11:00
rapidio
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regulator regulator: da903x regulator bug fix 2008-10-30 15:31:35 +00:00
rtc rtc-cmos: fix boot log message 2008-11-06 15:41:19 -08:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-10-30 11:46:28 -07:00
sbus drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
scsi saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
serial atmel_serial: keep clock off when it's not needed 2008-11-06 15:41:19 -08:00
sh
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sn
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spi Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2008-10-16 12:40:26 -07:00
ssb Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 2008-10-13 14:12:40 -07:00
staging drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
tc
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telephony saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
thermal
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uio saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
usb saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
uwb uwb: wrong sizeof argument in mac address compare 2008-10-20 14:37:53 +01:00
video fbdev: fix fb_compat_ioctl() deadlocks 2008-11-06 15:41:19 -08:00
virtio
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w1 x86: sysfs: kill owner field from attribute 2008-10-20 08:52:42 -07:00
watchdog SAM9 watchdog: update for moved headers 2008-11-06 15:41:20 -08:00
xen drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
zorro
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Kconfig regulator: Build on non-ARM platforms 2008-10-28 21:47:17 +00:00
Makefile Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb 2008-10-26 16:35:46 -07:00