Commit Graph

96 Commits

Author SHA1 Message Date
Marc Boucher 1cfd52bc1a [ALSA] hda-intel - Add ratelimit to timeout messages
Signed-off-by: Marc Boucher <marc@linuxant.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31 17:30:10 +01:00
Takashi Iwai 28a0d9df07 [ALSA] hda-intel - Make azx_get_response() a bit more robust
In azx_[rirb_]get_response(), the timeout is checked at the end of the loop.
It's better to be checked just after the check of the RIRB index to avoid
a bogus error with a too long msleep().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31 17:30:05 +01:00
Takashi Iwai 52987656fb [ALSA] hda-intel - Add workarounds for STAC codecs
Some machines with STAC codecs seem to have problems (e.g. no audible
playback) when the delay in codec-read routine is too short.
I still don't figure out which command sequence causes this problem
(due to lack of test hardware), but it's known that increasing the
delay fixes.  So, added a stupid workaround here temporarily...

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31 17:30:02 +01:00
Tobin Davis bcd7200394 [ALSA] HDA: Enable chipset gcap usage
This patch removes hardcoded values for the number of streams supported
by the southbridge in most chipsets, and reads these values from the
chipset directly.  Most systems are hardwired for 4 streams in each
direction, but newer chipsets change that capability.

Signed-off-by: Tobin Davis <tdavis@dsl-only.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31 17:29:58 +01:00
Andrew Paprocki e25bcdba19 [ALSA] hda_intel: Fix multiple device support by incrementing device count
Fixes multiple device support by incrementing the static device counter
at the end of the azx_probe() call. Without this, subsequent probes would
always use the index specified for the first card.

Signed-off-by: Andrew Paprocki <andrew@ishiboo.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31 17:29:55 +01:00
Takashi Iwai 9004acc70e [ALSA] Remove sound/driver.h
This header file exists only for some hacks to adapt alsa-driver
tree.  It's useless for building in the kernel.  Let's move a few
lines in it to sound/core.h and remove it.
With this patch, sound/driver.h isn't removed but has just a single
compile warning to include it.  This should be really killed in
future.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31 17:29:48 +01:00
Takashi Iwai 5aba4f8ec7 [ALSA] hda-intel - Support multiple devices
It turned out that there can be multiple HD-audio devices on a single
machine (e.g. on-board audio and HDMI on graphic cards), so we need to
support multiple devices with snd-hda-intel driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31 17:29:45 +01:00
Ingo Molnar 9b1fffddc8 [ALSA] snd hda suspend latency: shorten codec read
not sleeping for every codec read/write but doing a short udelay and
a conditional reschedule has cut suspend+resume latency by about 1
second on my T60.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31 17:29:26 +01:00
Wolke Liu 27da183402 [ALSA] HDA-Intel - Add support for RV6xx HDMI audio
This patch is to add R6xx HDMI audio support. Meanwhile, the device ID
in the previous patch is changed.
I have checked the patch from Herton Ronaldo Krzesinski, it's right as
our spec said. :)

Signed-off-by: Wolke Liu <Wolke.Liu@amd.com>
Signed-off-by: Andrea Zhang <Andrea.Zhang@amd.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31 17:29:26 +01:00
Herton Ronaldo Krzesinski 2797f724cd [ALSA] HDA-Intel - Add support for RV610/RV630 HDMI audio
The Audio interface on HD2400/HD2600 cards isn't currently detected by
snd-hda-intel. I added missing pci device ids for RV610 and RV630, but
I only had a HD2400 pro card to test, where now the audio interface is
detected (and no need to change patch_atihdmi.c, as the codec vendor id
remains 0x1002aa01 for which we already have an entry there). I also
couldn't test if sound pass-trough is ok (and I don't know how to), but
at least now the device is detected.

Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31 17:29:16 +01:00
Linus Torvalds d238998fbf Revert "hda_intel suspend latency: shorten codec read"
This reverts commit 57a04513cb.

Harald Dunkel reports that it broke sound for him:
  "Alsa stopped working for me.  I still can access /dev/dsp, change the
   volume and so on, but the speakers are quiet."

Reverting it fixed things for him.

Reported-and-tested-by: Harald Dunkel <harald.dunkel@t-online.de>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-08 11:46:37 -08:00
Ingo Molnar 57a04513cb hda_intel suspend latency: shorten codec read
not sleeping for every codec read/write but doing a short udelay and
a conditional reschedule has cut suspend+resume latency by about 1
second on my T60.

The patch also fixes the unexpected codec-connection errors that
happen more often in the new power-save mode:
    http://lkml.org/lkml/2007/11/8/255
    http://bugzilla.kernel.org/show_bug.cgi?id=9332

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-06 12:35:56 -08:00
Peer Chen c107106767 [ALSA] alsa: Add the MCP79 support to hda_intel driver
Add the MCP79 support to hda driver.
The patch base on kernel 2.6.23-rc7

Signed-off-by: Peer Chen <peerchen@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 16:51:02 +02:00
Rene Herman d86d01935a [ALSA] alsa-kernel: schedule_timeout() fixes
Fix schedule_timeout() use in alsa-kernel. Mostly just
	schedule_timeout(1) --> schedule_timeout_uninterruptible(1)
The wavefront_synth one fixes the surrounding loop as well. In ymfpci_main,
delete a superfluous set_current_state() and in soc/soc-dapm.c replace an
_interruptible with _uninterruptible in some debug code; it's not waiting
for signals.

Signed-off-by: Rene Herman <rene.herman>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 16:50:54 +02:00
Matthias Kaehlcke 33206e862e [ALSA] Intel HD Audio: Use list_for_each_entry(_safe)
Intel HD Audio: Use list_for_each_entry(_safe) instead of
list_for_each(_safe)

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 16:50:42 +02:00
Danny Tholen e8a7f136f5 [ALSA] hda-intel - Improve HD-audio codec probing robustness
When modem is disabled in the BIOS, detection of the number of codecs
always fails after booting if STATESTS is not cleared first.
This patch fixes this problem and also adds an error check in a place
where a read error would lead to a very large number of pointless loops.

Signed-off-by: Danny Tholen <obiwan@mailmij.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 16:50:20 +02:00
Maxim Levitsky d804ad9258 [ALSA] hda-intel - Fix resume logic, when dynamic power managment is on
Comment in hda_intel.c states that 'the explicit resume is needed only
when POWER_SAVE isn't set', but this is not true.
There is no code that will automaticly power up the codec on resume,
but only code that powers it up when user accesses it. So if user
leaves a sound playing, codec will not be powered
To fix that I check if there are any codecs that should be powered
codec->power_count, and if so I power them up together with main
controller.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 15:59:47 +02:00
Takashi Iwai 669ba27a6e [ALSA] hda-intel - Add probe_mask blacklist
Added the black-list of probe_mask option to set the default value for
known non-working devices.  Currently, Thinkpad *60 and *61 series are set.
I'm afraid more will be added to the list in near future...

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 15:59:15 +02:00
Takashi Iwai 0cb65f2262 [ALSA] hda-intel - Add position_fix quirk for Dell Precision 390
Dell Precision 390 needs position_fix=1 as default (ALSA bug#3295).

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 15:59:02 +02:00
Takashi Iwai 0b7a2e9cef [ALSA] hda-intel - Don't do suspend if already powered down
In the power-saving mode, the suspend is done dynamically at power-down.
So we don't have to call suspend stuff explicitly if it's already
powered down.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 15:58:55 +02:00
Takashi Iwai dee1b66ce4 [ALSA] hda-intel - Add power_save_controller module option
Add power_save_controller module option instead of define flag.
Also, added descriptions of new module options in ALSA-Configuration.txt.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 15:58:50 +02:00
Takashi Iwai 95e99fdadb [ALSA] hda-intel - Fix resume with power save
The controller power wasn't turned on properly at resume due to the
power-saving patch.  Now fixed.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 15:58:49 +02:00
Takashi Iwai cb53c626e1 [ALSA] hda-intel - Add POWER_SAVE option
Added CONFIG_SND_HDA_POWER_SAVE kconfig.  It's an experimental option
to achieve an aggressive power-saving.  With this option, the driver
will turn on/off the power of each codec and controller chip dynamically
on demand.
The patch introduces a new module option 'power_save'.  It specifies
the second of time-out for automatic power-down.  As default, it's
10 seconds.  Setting 0 means to suppress the power-saving feature.
The codec may have analog-input loopbacks, which are usually represented
by mixer elements such as 'Mic Playback Switch' or 'CD Playback Switch'.
When these are on, we cannot turn off the mixer and the codec chip has
to be kept on.  For bookkeeping these states, a new codec-callback is
introduced.
For the bus-controller side, a new callback pm_notify is introduced,
which can be used to turn on/off the contoller appropriately.
Note that this power-saving might cause slight click-noise at
power-on/off.  Also, it might take some time to wake up the codec, and
might even drop some tones at the very beginning.  This seems to be the
side-effect of turning off the controller chip.
This turn-off of the controller can be disabled by undefining
HDA_POWER_SAVE_RESET_CONTOLLER in hda_intel.c.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 15:58:46 +02:00
Takashi Iwai d01ce99fc5 [ALSA] hda-intel - Coding style fixes
Fix codes to follow more to the standard kernel coding style.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-10-16 15:58:09 +02:00
Takashi Iwai 43bbb6ccc6 [ALSA] hda-intel - Show the last command in warning messages
Show the last issued command in warning messages when any communication
error with CORB/RIRB occurs.
Also, a bit code clean-up for composing the command value in
*_send_cmd().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-07-20 11:11:47 +02:00
Takashi Iwai e65365de5b [ALSA] Fix invalid schedule_timeout_interruptible()
Fixed the invalid use of schedule_timeout_interruptible() without
checking pending signals.  Simply replaced with schedule_timeout().
Suggestions thanks to Jeff Garzik.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-07-20 11:11:36 +02:00
Peer Chen 15cc4458c5 [ALSA] Add the MCP73/77 support to hda_intel driver
Add the MCP73/MCP77 support to hda driver.
The patch base on kernel 2.6.22-rc4

Signed-off-by: Peer Chen <peerchen@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-07-20 11:11:27 +02:00
Wolke Liu e6db111931 [ALSA] hda-intel - Add ATI RS780,R600 HDMI audio support
This patch is for ATI RS780 and R600 HDMI support.

Signed-off-by: Wolke Liu <wolke.liu@amd.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-05-11 16:56:12 +02:00
Takashi Iwai bccad14e9a [ALSA] hda-intel - Fix detection of audio codec on Toshiba A100
Some boards have the audio codec on slot #3 while the modem codec
on slot #0.  The driver should continue to probe the slots when
no audio codec is found.
This fixes the problem of no device on Toshiba A100 (and some other
ATI SB450 devices).

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-05-11 16:56:09 +02:00
Takashi Iwai 19a982b694 [ALSA] hda-intel - Probe additional slots only if necessary
Probing the codec slots on ATI controller causes problems on some
devices like Acer laptops.  On these devices, reading from codec
slot 3 results in the communication failure with the codec chip.
Meanwhile, some laptops (e.g. Gateway) have the codec connection
only on slot 3, and probing this slot is mandatory for them.
The patch improves the probing robustness.  The additional slots
are now checked only when no codecs are found in the primary three
slots.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-05-11 16:55:52 +02:00
Ralf Baechle 623ec04798 [ALSA] hda_intel: build fix
CC [M]  sound/pci/hda/hda_intel.o
sound/pci/hda/hda_intel.c:1508: error: position_fix_list causes a section type conflict
Gcc like its __devinitdata readable not const, it seems.  An alternative
fix would be to remove the __devinitdata attribute but that would result
in slight runtime bloat.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-05-11 16:55:49 +02:00
Joachim Deguara 5f1545bc45 [ALSA] hda-intel - Fix HDA buffer alignment
From the HDA spec it appears that the buffers written to the BDL and
sent to a codec must be 128 byte aligned (section 4.5.1).  The alignment
was not happening especially when playing 6 channels.  This patch set
the alignment of buffers and periods to 128 bytes.

Signed-off-by: Joachim Deguara <joachim.deguara@amd.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-03-16 15:02:15 +01:00
Takashi Iwai a9995a3557 [ALSA] hda-intel - Fix codec probe with ATI contorllers
ATI controllers may have up to 4 codecs while ICH up to 3.
Thus the earlier fix to change AZX_MAX_CODECS to 3 cause a regression
on some devices that have the audio codec at bit#3.
Now max codecs is defined according to the driver type, either 3 or 4.
Currently 4 is set only to ATI chips.  Other might need the same
change, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-03-14 08:24:17 +01:00
Takashi Iwai 3372a153c2 [ALSA] hda-intel - Add black/whitelist for position_fix option
Some devices are known to require position_fix=1 or 2 to make the
driver working correctly.  Otherwise the sound gets weird effects,
such as stutters.
Now a black/whitelist is introduced to indicate the position_fix
value explicitly for such misbehaving hardwares.  As a first example,
Dell D820 is listed there.  More will come later likely...

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-02-09 09:03:32 +01:00
Takashi Iwai 7ed07a740b [ALSA] hda-intel - Don't try to probe invalid codecs
Fix the max number of codecs detected by HD-intel (and compatible)
controllers to 3.  Some hardware reports extra bits as if
connected, and the driver gets confused to probe unexisting codecs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-02-09 09:03:05 +01:00
Takashi Iwai 69e1341897 [ALSA] hda-intel - Disable INTX when MSI is used
Call pci_intx() to disable/enable INTX when MSI is used/unused.
Nvidia and AMD boards seem to have problems with MSI when INTX
isn't disabled.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-02-09 09:01:41 +01:00
Jaroslav Kysela b66b3cfe6c [ALSA] hda_intel: increase maximum DMA buffer size to 1024MB
See ALSA bug#2481 .

Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-02-09 09:00:12 +01:00
Jason Gaston f9cc8a8b18 [ALSA] hda_intel: ALSA HD Audio patch for Intel ICH9
This patch adds the Intel ICH9 HD Audio controller DID's for ALSA.

Signed-off-by: Jason Gaston <jason.d.gaston@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-01-09 09:06:16 +01:00
Peer Chen 5b005a0126 [ALSA] Audio: Add nvidia HD Audio controllers of MCP67 support to hda_intel.c
Add the support for HD audio controllers of MCP51,MCP55,MCP61,MCP65 & MCP67.

Signed-off-by: Peer Chen <pchen@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-01-09 09:06:12 +01:00
Takashi Iwai 437a5a4606 [ALSA] Remove IRQF_DISABLED for shared PCI irqs
Fix IRQ flags for PCI devices.
The shared IRQs for PCI devices shouldn't be allocated with
IRQF_DISABLED.  Also, when MSI is enabled, IRQF_SHARED shouldn't
be used.
The patch removes unnecessary cast in request_irq and free_irq,
too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-12-20 08:55:57 +01:00
Takashi Iwai 134a11f0c3 [PATCH] ALSA: hda-intel - Disable MSI support by default
Disable MSI support on HD-audio driver as default since there are too
many broken devices.

The module option is changed from disable_msi to enable_msi, too.  For
turning MSI support on, pass enable_msi=1, instead.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-11-14 16:04:27 -08:00
Takashi Iwai 68e7fffc0f [ALSA] hda-intel - Add check of MSI availabity
Check the availability of MSI and turn off MSI automatically when it's
not available on the hardware.  MSI seems broken on some hardwares
but the kernel doesn't know exactly, thus we have to turn the MSI
feature off on the sound driver manually.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-10-23 14:10:34 +02:00
Felix Kuehling 5b15c95f88 [ALSA] hda_intel: add ATI RS690 HDMI audio support
This patch adds support for the HDMI codec of the ATI RS690 IGP northbridge.

Signed-off-by: Felix Kuehling <fkuehlin@ati.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-10-22 10:51:12 +02:00
Takashi Iwai 30b35399ce [ALSA] Various fixes for suspend/resume of ALSA PCI drivers
- Check the return value of pci_enable_device() and request_irq()
  in the suspend.  If any error occurs there, disable the device
  using snd_card_disconnect().
- Call pci_set_power_state() properly with pci_choose_state().
- Fix the order to call pci_set_power_state().
- Removed obsolete house-made PM codes in some drivers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-10-22 10:51:10 +02:00
Dan Cyr f3838ba920 [ALSA] hda-intel - New pci id for Nvidia MCP61
Added the new PCI id to support Nvidia MCP61 in snd-hda-intel driver.

Signed-off-by: Dan Cyr <rabidfly@hotmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-10-06 20:22:57 +02:00
David Howells 7d12e780e0 IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
Maintain a per-CPU global "struct pt_regs *" variable which can be used instead
of passing regs around manually through all ~1800 interrupt handlers in the
Linux kernel.

The regs pointer is used in few places, but it potentially costs both stack
space and code to pass it around.  On the FRV arch, removing the regs parameter
from all the genirq function results in a 20% speed up of the IRQ exit path
(ie: from leaving timer_interrupt() to leaving do_IRQ()).

Where appropriate, an arch may override the generic storage facility and do
something different with the variable.  On FRV, for instance, the address is
maintained in GR28 at all times inside the kernel as part of general exception
handling.

Having looked over the code, it appears that the parameter may be handed down
through up to twenty or so layers of functions.  Consider a USB character
device attached to a USB hub, attached to a USB controller that posts its
interrupts through a cascaded auxiliary interrupt controller.  A character
device driver may want to pass regs to the sysrq handler through the input
layer which adds another few layers of parameter passing.

I've build this code with allyesconfig for x86_64 and i386.  I've runtested the
main part of the code on FRV and i386, though I can't test most of the drivers.
I've also done partial conversion for powerpc and MIPS - these at least compile
with minimal configurations.

This will affect all archs.  Mostly the changes should be relatively easy.
Take do_IRQ(), store the regs pointer at the beginning, saving the old one:

	struct pt_regs *old_regs = set_irq_regs(regs);

And put the old one back at the end:

	set_irq_regs(old_regs);

Don't pass regs through to generic_handle_irq() or __do_IRQ().

In timer_interrupt(), this sort of change will be necessary:

	-	update_process_times(user_mode(regs));
	-	profile_tick(CPU_PROFILING, regs);
	+	update_process_times(user_mode(get_irq_regs()));
	+	profile_tick(CPU_PROFILING);

I'd like to move update_process_times()'s use of get_irq_regs() into itself,
except that i386, alone of the archs, uses something other than user_mode().

Some notes on the interrupt handling in the drivers:

 (*) input_dev() is now gone entirely.  The regs pointer is no longer stored in
     the input_dev struct.

 (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking.  It does
     something different depending on whether it's been supplied with a regs
     pointer or not.

 (*) Various IRQ handler function pointers have been moved to type
     irq_handler_t.

Signed-Off-By: David Howells <dhowells@redhat.com>
(cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-10-05 15:10:12 +01:00
Takashi Iwai 5c79b1f887 [ALSA] hda-intel - A slight cleanup of timeout check in azx_get_response()
A slight cleanup of timeout check in azx_get_response() to check
jiffies for HZ-independent timeout.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:48:06 +02:00
Takashi Iwai 43001c9515 [ALSA] hda-intel - Fix suspend/resume with MSI
Fixed suspend/resume with MSI enablement.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:47:00 +02:00
Takashi Iwai e08a007d10 [ALSA] hda-codec - Fix SPDIF device number of ALC codecs
Assign the SPDIF always to the secondary device (dev#1) to keep
the same configuration.  Move the optional capture device to the
third device (dev#2).
hda_intel now just ignores the NULL entries in the pcm arrays
from codecs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:46:46 +02:00
Takashi Iwai dafbbb1fdb [ALSA] hda-intel - Fix pci_disable_msi() call
Fix the order to call pci_disable_msi() to be after free_irq().
(Otherwise pci_disable_msi() bugs you.)
Also, added a description of disable_msi option to documentation.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-09-23 10:46:42 +02:00