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2011-09-22ASoC: Add another DAPM stat for neighbour checksMark Brown2-2/+6
The number of times we look at a potentially connected neighbour is just as important as the number of times we actually recurse into looking at that neighbour so also collect that statistic. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-22ASoC/MFD: twl6040: Combine bit definitions for Headset control registersPeter Ujfalusi1-8/+3
Use one set of defines for the HS bits, since they are identical in both control register. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-22ASoC: twl6040: Introduce SW only shadow registerPeter Ujfalusi1-2/+0
Software only shadow register to be used by the driver. For example Earpiece path will need this shadow register. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-21ASoC: tpa6130a2: Remove model_id from platform dataPeter Ujfalusi1-6/+0
The model_id is no longer needed within the platform_data for the TPA driver since the model of TPA specified with the device name (tpa6130a2/tpa6140a2). Also update rx51 (the only affected user) to use the device name rather than platform data. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Tested-by: Jarkko Nikula <jarkko.nikula@bitmer.com> Acked-by: Liam Girdwood <lrg@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-21ASoC: soc-core: symmetry checking for each DAIs separatelyDong Aisheng2-2/+3
The orginal code does not cover the case that one DAI such as codec may be shared between other two DAIs(CPU). When do symmetry checking, altough the codec DAI requires symmetry, the two CPU DAIs may still be configured to run on different rates. We change to check each DAI's state separately instead of only checking the dai link to prevent this issue. Signed-off-by: Dong Aisheng <b29396@freescale.com> Tested-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-21ASoC: Trace and collect statistics for DAPM graph walkingMark Brown3-0/+28
One of the longest standing areas for improvement in ASoC has been the DAPM algorithm - it repeats the same checks many times whenever it is run and makes no effort to limit the areas of the graph it checks meaning we do an awful lot of walks over the full graph. This has never mattered too much as the size of the graph has generally been small in relation to the size of the devices supported and the speed of CPUs but it is annoying. In preparation for work on improving this insert a trace point after the graph walk has been done. This gives us specific timing information for the walk, and in order to give quantifiable (non-benchmark) numbers also count every time we check a link or check the power for a widget and report those numbers. Substantial changes in the algorithm may require tweaks to the stats but they should be useful for simpler things. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-20ASoC: Add WM5100 driverMark Brown1-0/+59
The WM5100 is a highly integrated low power audio subsystem with advanced digital signal processing capabilities including effects, speech clarity enhancement and active noise cancellation. This initial driver provides support for basic audio paths, further patches will provide more complete functionality. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com>
2011-09-19ASoC: twl6040: Chip initialization cleanupPeter Ujfalusi1-3/+0
There is no need to write to the vio registers at probe time, since most them either read only, or shared with MFD or not used. On the other hand it is a good idea to updated the ASICREV register in the cache at this time. After power up we need to restore some registers. Clean up the list to contain only the registers we are going to restore. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-19MFD: twl6040: Add accessor for revision IDPeter Ujfalusi1-0/+5
For client driver to use, if they need chip resvision information. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-19ASoC: mxs-saif: add record functionDong Aisheng1-0/+16
1. add different clkmux mode handling SAIF can use two instances to implement full duplex (playback & recording) and record saif may work on EXTMASTER mode which is using other saif's BITCLK&LRCLK. The clkmux mode could be set in pdata->init() in mach-specific code. For generic saif driver, it only needs to know who is his master and the master id is also provided in mach-specific code. 2. support playback and capture simutaneously however the sample rates can not be different due to hw limitation. Signed-off-by: Dong Aisheng <b29396@freescale.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-14regulator: Implement deferred disable supportMark Brown2-0/+10
It is a reasonably common pattern for hardware to require some delay after being quiesced before the disable has finalised, especially in mixed signal devices. For example, an active discharge may be required to ensure that the circuit starts up again in a known state. Avoid having to implement such delays in the regulator API by providing regulator_deferred_disable() which will do a regulator_disable() a specified number of milliseconds after it is called. Due to the reference counting done on regulators a deferred disable can be cancelled by doing another regulator_enable(). Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com>
2011-09-09Merge branch 'topic/interface' of git://opensource.wolfsonmicro.com/regmap ↵Mark Brown1-0/+52
into for-3.2
2011-09-09regmap: Provide device read and write map interface for mergingMark Brown1-0/+9
Add the externally visible interface introduced by Lars-Peter's commit 6f3064 (regmap: Add support for device specific write and read flag masks) separately in order to allow merge into other subsystems for integration with drivers. Drivers relying on this feature will not be functional until they are merged with the implementation. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-31ASoC: Allow source specification for CODEC level sysclkMark Brown1-2/+2
Similarly to PLLs/FLLs some modern CODECs provide selectable system clock sources. When the clock is the clock for a DAI we do not usually need to identify which clock is being configured so can use clk_id for the source clock but with CODEC wide system clocks we will need to specify both the clock being configured and the source. Add a source argument to the CODEC driver set_sysclk() operation to reflect this. As this operation is not as widely used as the DAI set_sysclk() operation the change is not very invasive. We probably ought to go and make the same alternation for DAIs at some point. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-31ASoC: Allow register defaults to be larger than unsigned shortMark Brown1-1/+1
Devices that need this exist; obviously the newer regmap defaults mechanism will deal with this more happily. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-22ASoC: Allow idle_bias_off to be specified in CODEC driversMark Brown1-0/+1
If devices can unconditionally support idle_bias_off let them flag it in their driver structure. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com>
2011-08-21regmap: Allow drivers to specify register defaultsMark Brown1-2/+22
It is useful for the register cache code to be able to specify the default values for the device registers. The major use is when restoring the register cache after suspend, knowing the register defaults allows us to skip registers that are at their default values when we resume which can be a substantial win on larger modern devices. For some devices (mostly older ones) the hardware does not support readback so the only way we can know the values is from code and so initializing the cache with default values makes it much easier for drivers work with read/modify/write updates. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-17ASoC: Add ADAU1373 codec supportLars-Peter Clausen1-0/+34
This patch adds support for the Analog Devices ADAU1373 audio codec. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-17ASoC: Add WM8958 noise gate supportMark Brown1-0/+45
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-12ASoC: Add bitfield definitions for WM8958 MICBIAS registersMark Brown1-0/+38
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com>
2011-08-12Merge branch 'for-3.1' into for-3.2Mark Brown1-1/+1
2011-08-12ASoC: omap: Update e-mail address of Jarkko NikulaJarkko Nikula1-1/+1
My gmail account got disabled and I'm not going to reopen it. Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-09regmap: Fix kerneldoc errors for regmapMark Brown1-9/+9
Field names didn't match between the documentation and the code. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-09Merge branch 'for-3.1' into for-3.2Mark Brown1-14/+14
2011-08-08regmap: Add precious registers to the driver interfaceMark Brown1-0/+4
Some devices are sensitive to reads on their registers, especially for things like clear on read interrupt status registers. Avoid creating problems with these with things like debugfs by allowing drivers to tell the core about them. If a register is marked as precious then the core will not internally generate any reads of it. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-08regmap: Allow devices to specify which registers are accessibleMark Brown1-0/+13
This is currently unused but we need to know which registers exist and their properties in order to implement diagnostics like register map dumps and the cache features. We use callbacks partly because properties can vary at runtime (eg, through access locks on registers) and partly because big switch statements are a good compromise between readable code and small data size for providing information on big register maps. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-08regmap: Add kerneldoc for struct regmap_configMark Brown1-0/+6
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-08-08Merge branch 'regmap-asoc' into for-3.2Mark Brown1-0/+3
2011-08-08ASoC: Add regmap as a control typeMark Brown1-0/+1
Allow drivers to set up their own regmap API structures. This is mainly useful with MFDs where the core driver will have set up regmap at the minute, though it may make sense to push the existing regmap setup out of the core into the drivers. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com>
2011-08-08ASoC: Use new register map API for ASoC generic physical I/OMark Brown1-0/+2
Remove all the ASoC specific physical I/O code and replace it with calls into the regmap API. The bulk write code can only be used safely if all regmap calls are locked with the CODEC lock, we need to add bulk support to the regmap API or replace the code with an open coded loop (though currently it has no users...). Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com>
2011-08-08Merge branch 'for-3.1' into for-3.2Mark Brown500-3171/+12182
Conflict due to the fix for the register map failure - taken the for-3.1 version. Conflicts: sound/soc/codecs/sgtl5000.c
2011-08-08ASoC: Rename WM8915 to WM8996Mark Brown1-14/+14
For marketing reasons the part will be called WM8996. In order to avoid user confusion rename the driver to reflect this. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Acked-by: Liam Girdwood <lrg@ti.com>
2011-08-07fix rcu annotations noise in cred.hAl Viro1-5/+6
task->cred is declared as __rcu, and access to other tasks' ->cred is, indeed, protected. Access to current->cred does not need rcu_dereference() at all, since only the task itself can change its ->cred. sparse, of course, has no way of knowing that... Add force-cast in current_cred(), make current_fsuid() et.al. use it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-06Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osdLinus Torvalds2-5/+130
* 'for-linus' of git://git.open-osd.org/linux-open-osd: ore: Make ore its own module exofs: Rename raid engine from exofs/ios.c => ore exofs: ios: Move to a per inode components & device-table exofs: Move exofs specific osd operations out of ios.c exofs: Add offset/length to exofs_get_io_state exofs: Fix truncate for the raid-groups case exofs: Small cleanup of exofs_fill_super exofs: BUG: Avoid sbi realloc exofs: Remove pnfs-osd private definitions nfs_xdr: Move nfs4_string definition out of #ifdef CONFIG_NFS_V4
2011-08-06vfs: optimize inode cache access patternsLinus Torvalds1-22/+37
The inode structure layout is largely random, and some of the vfs paths really do care. The path lookup in particular is already quite D$ intensive, and profiles show that accessing the 'inode->i_op->xyz' fields is quite costly. We already optimized the dcache to not unnecessarily load the d_op structure for members that are often NULL using the DCACHE_OP_xyz bits in dentry->d_flags, and this does something very similar for the inode ops that are used during pathname lookup. It also re-orders the fields so that the fields accessed by 'stat' are together at the beginning of the inode structure, and roughly in the order accessed. The effect of this seems to be in the 1-2% range for an empty kernel "make -j" run (which is fairly kernel-intensive, mostly in filename lookup), so it's visible. The numbers are fairly noisy, though, and likely depend a lot on exact microarchitecture. So there's more tuning to be done. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-06vfs: renumber DCACHE_xyz flags, remove some stale onesLinus Torvalds1-17/+13
Gcc tends to generate better code with small integers, including the DCACHE_xyz flag tests - so move the common ones to be first in the list. Also just remove the unused DCACHE_INOTIFY_PARENT_WATCHED and DCACHE_AUTOFS_PENDING values, their users no longer exists in the source tree. And add a "unlikely()" to the DCACHE_OP_COMPARE test, since we want the common case to be a nice straight-line fall-through. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds3-12/+25
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: net: Compute protocol sequence numbers and fragment IDs using MD5. crypto: Move md5_transform to lib/md5.c
2011-08-06exofs: Rename raid engine from exofs/ios.c => oreBoaz Harrosh1-0/+125
ORE stands for "Objects Raid Engine" This patch is a mechanical rename of everything that was in ios.c and its API declaration to an ore.c and an osd_ore.h header. The ore engine will later be used by the pnfs objects layout driver. * File ios.c => ore.c * Declaration of types and API are moved from exofs.h to a new osd_ore.h * All used types are prefixed by ore_ from their exofs_ name. * Shift includes from exofs.h to osd_ore.h so osd_ore.h is independent, include it from exofs.h. Other than a pure rename there are no other changes. Next patch will move the ore into it's own module and will export the API to be used by exofs and later the layout driver Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
2011-08-06net: Compute protocol sequence numbers and fragment IDs using MD5.David S. Miller2-12/+20
Computers have become a lot faster since we compromised on the partial MD4 hash which we use currently for performance reasons. MD5 is a much safer choice, and is inline with both RFC1948 and other ISS generators (OpenBSD, Solaris, etc.) Furthermore, only having 24-bits of the sequence number be truly unpredictable is a very serious limitation. So the periodic regeneration and 8-bit counter have been removed. We compute and use a full 32-bit sequence number. For ipv6, DCCP was found to use a 32-bit truncated initial sequence number (it needs 43-bits) and that is fixed here as well. Reported-by: Dan Kaminsky <dan@doxpara.com> Tested-by: Willy Tarreau <w@1wt.eu> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-06crypto: Move md5_transform to lib/md5.cDavid S. Miller1-0/+5
We are going to use this for TCP/IP sequence number and fragment ID generation. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-06Merge branch 'for_linus' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86: (38 commits) acer-wmi: support Lenovo ideapad S205 wifi switch acerhdf.c: spaces in aliased changed to * platform-drivers-x86: ideapad-laptop: add missing ideapad_input_exit in ideapad_acpi_add error path x86 driver: fix typo in TDP override enabling Platform: fix samsung-laptop DMI identification for N150/N210/220/N230 dell-wmi: Add keys for Dell XPS L502X platform-drivers-x86: samsung-q10: make dmi_check_callback return 1 Platform: Samsung Q10 backlight driver platform-drivers-x86: intel_scu_ipc: convert to DEFINE_PCI_DEVICE_TABLE platform-drivers-x86: intel_rar_register: convert to DEFINE_PCI_DEVICE_TABLE platform-drivers-x86: intel_menlow: add missing return AE_OK for intel_menlow_register_sensor() platform-drivers-x86: intel_mid_thermal: fix memory leak platform-drivers-x86: msi-wmi: add missing sparse_keymap_free in msi_wmi_init error path Samsung Laptop platform driver: support N510 asus-wmi: add uwb rfkill support asus-wmi: add gps rfkill support asus-wmi: add CWAP support and clarify the meaning of WAPF bits asus-wmi: return proper value in store_cpufv() asus-wmi: check for temp1 presence asus-wmi: add thermal sensor ...
2011-08-06lib/sha1: use the git implementation of SHA-1Mandeep Singh Baines1-1/+1
For ChromiumOS, we use SHA-1 to verify the integrity of the root filesystem. The speed of the kernel sha-1 implementation has a major impact on our boot performance. To improve boot performance, we investigated using the heavily optimized sha-1 implementation used in git. With the git sha-1 implementation, we see a 11.7% improvement in boot time. 10 reboots, remove slowest/fastest. Before: Mean: 6.58 seconds Stdev: 0.14 After (with git sha-1, this patch): Mean: 5.89 seconds Stdev: 0.07 The other cool thing about the git SHA-1 implementation is that it only needs 64 bytes of stack for the workspace while the original kernel implementation needed 320 bytes. Signed-off-by: Mandeep Singh Baines <msb@chromium.org> Cc: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Cc: Nicolas Pitre <nico@cam.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: David S. Miller <davem@davemloft.net> Cc: linux-crypto@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-05Add KEY_MICMUTE and enable it on Lenovo X220Andy Lutomirski1-0/+2
I suspect that this works on T410. Signed-off-by: Andy Lutomirski <luto@mit.edu> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-08-05Merge branch 'drm-fixes' of ↵Linus Torvalds2-1/+4
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (55 commits) Revert "drm/i915: Try enabling RC6 by default (again)" drm/radeon: Extended DDC Probing for ECS A740GM-M DVI-D Connector drm/radeon: Log Subsystem Vendor and Device Information drm/radeon: Extended DDC Probing for Connectors with Improperly Wired DDC Lines (here: Asus M2A-VM HDMI) drm: Separate EDID Header Check from EDID Block Check drm: Add NULL check about irq functions drm: Fix irq install error handling drm/radeon: fix potential NULL dereference in drivers/gpu/drm/radeon/atom.c drm/radeon: clean reg header files drm/debugfs: Initialise empty variable drm/radeon/kms: add thermal chip quirk for asus 9600xt drm/radeon: off by one in check_reg() functions drm/radeon/kms: fix version comment due to merge timing drm/i915: allow cache sharing policy control drm/i915/hdmi: HDMI source product description infoframe support drm/i915/hdmi: split infoframe setting from infoframe type code drm: track CEA version number if present drm/i915: Try enabling RC6 by default (again) Revert "drm/i915/dp: Zero the DPCD data before connection probe" drm/i915/dp: wait for previous AUX channel activity to clear ...
2011-08-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds3-6/+15
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (54 commits) ipv6: check for IPv4 mapped addresses when connecting IPv6 sockets mlx4: decreasing ref count when removing mac net: Fix security_socket_sendmsg() bypass problem. net: Cap number of elements for sendmmsg net: sendmmsg should only return an error if no messages were sent ixgbe: fix PHY link setup for 82599 ixgbe: fix __ixgbe_notify_dca() bail out code igb: fix WOL on second port of i350 device e1000e: minor re-order of #include files e1000e: remove unnecessary check for NULL pointer intel drivers: repair missing flush operations macb: restore wrap bit when performing underrun cleanup cdc_ncm: fix endianness problem. irda: use PCI_VENDOR_ID_* mlx4: Fixing Ethernet unicast packet steering net: fix NULL dereferences in check_peer_redir() bnx2x: Clear MDIO access warning during first driver load bnx2x: Fix BCM578xx MAC test bnx2x: Fix BCM54618se invalid link indication bnx2x: Fix BCM84833 link ...
2011-08-04Merge branch 'for-linus' of ↵Linus Torvalds1-48/+26
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: RCUify freeing acls, let check_acl() go ahead in RCU mode if acl is cached get rid of boilerplate switches in posix_acl.h fix block device fallout from ->fsync() changes
2011-08-04Merge branch 'next' of ↵Linus Torvalds1-0/+10
git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: dmaengine: use DEFINE_IDR for static initialization ioat: fix xor_idx_to_desc Avoid section type conflict in dma/ioat/dma_v3.c ioat: Adding PCI IDs for IOAT devices on SandyBridge platforms
2011-08-04nfs_xdr: Move nfs4_string definition out of #ifdef CONFIG_NFS_V4Boaz Harrosh1-5/+5
exofs file system wants to use pnfs_osd_xdr.h file instead of redefining pnfs-objects types in it's private "pnfs.h" headr. Before we do the switch we must make sure pnfs_osd_xdr.h is compilable also under NFS versions smaller than 4.1. Since now it is needed regardless of version, by the exofs code. nfs4_string is not the only nfs4 type out in the global scope. Ack-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
2011-08-04Merge branch 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds2-8/+1
* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6: Revert "dt: add of_alias_scan and of_alias_get_id" dt: remove of_alias_get_id() reference
2011-08-04drm: Separate EDID Header Check from EDID Block CheckThomas Reim1-0/+1
Provides function drm_edid_header_is_valid() for EDID header check and replaces EDID header check part of function drm_edid_block_valid() by a call of drm_edid_header_is_valid(). This is a prerequisite to extend DDC probing, e. g. in function radeon_ddc_probe() for Radeon devices, by a central EDID header check. Tested for kernel 2.6.35, 2.6.38 and 3.0 Cc: <stable@kernel.org> Signed-off-by: Thomas Reim <reimth@gmail.com> Reviewed-by: Alex Deucher <alexdeucher@gmail.com> Acked-by: Stephen Michaels <Stephen.Micheals@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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