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5704 commits

Author SHA1 Message Date
Takashi Iwai 55a63d4da3 ALSA: hda - Fix DAC assignment for independent HP
The generic parser should evaluate the availability of the independent
HP when specified.  Otherwise a DAC without the direct connection to
the corresponding pin may be assigned for the HP, but the driver
doesn't check it at all.  The problem was actually seen on some
machines with VT1708s or equivalent codec, where DAC0 is assigned to
HP although it can be connected only via aamix.

This patch adds the badness evaluation for the independent HP to make
it working properly.

Reported-by: Lydia Wang <LydiaWang@viatech.com.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-21 17:20:12 +01:00
Takashi Iwai eb49faa6a4 ALSA: hda - Fix abuse of snd_hda_lock_devices() for DSP loader
The current DSP loader code abuses snd_hda_lock_devices() for ensuring
the DSP loader not conflicting with the other normal operations.  But
this trick obviously doesn't work for the PM resume since the streams
are kept opened there where snd_hda_lock_devices() returns -EBUSY.
That means we need another lock mechanism instead of abuse.

This patch provides the new lock state to azx_dev.  Theoretically it's
possible that the DSP loader conflicts with the stream that has been
already assigned for another PCM.  If it's running, the DSP loader
should simply fail.  If not -- it's the case for PM resume --, we
should assign this stream temporarily to the DSP loader, and take it
back to the PCM after finishing DSP loading.  If the PCM is operated
during the DSP loading, it should get an error, too.

Reported-and-tested-by: Dylan Reid <dgreid@chromium.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-20 18:36:06 +01:00
Takashi Iwai a686fd141e ALSA: hda - Fix typo in checking IEC958 emphasis bit
There is a typo in convert_to_spdif_status() about checking the
emphasis IEC958 status bit.  It should check the given value instead
of the resultant value.

Reported-by: Martin Weishart <martin.weishart@telosalliance.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-20 15:42:00 +01:00
Takashi Iwai 039eb75350 ALSA: hda - Fix yet missing GPIO/EAPD setup in cirrus driver
I forgot to update spec->gpio_data in the automute hook, so it will be
overridden at the init sequence, thus the machine is still silent when
no headphone jack is plugged at boot time.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-18 16:55:49 +01:00
Takashi Iwai a86b1a2cd2 ALSA: hda/cirrus - Fix the digital beep registration
The argument passed to snd_hda_attach_beep_device() is a widget NID
while spec->beep_amp holds the composed value for amp controls.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-18 11:00:44 +01:00
Takashi Iwai 31b6945a89 ALSA: hda - Fix missing beep detach in patch_conexant.c
This leaks the beep input device after module unload, which leads to
Oops.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=55321
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-18 10:06:41 +01:00
Takashi Iwai 6d3073e124 ALSA: hda - Fix missing EAPD/GPIO setup for Cirrus codecs
During the transition to the generic parser, the hook to the codec
specific automute function was forgotten.  This resulted in the silent
output on some MacBooks.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-15 14:24:45 +01:00
Dylan Reid b714a7106b ALSA: hda/ca0132 - Remove extra setting of dsp_state.
spec->dsp_state is initialized to DSP_DOWNLOAD_INIT, no need to reset
and check it in ca0132_download_dsp().

Signed-off-by: Dylan Reid <dgreid@chromium.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-15 07:41:12 +01:00
Dylan Reid e8f1bd5d77 ALSA: hda/ca0132 - Check download state of DSP.
Instead of using the dspload_is_loaded() function, check the dsp_state
that is kept in the spec.  The dspload_is_loaded() function returns
true if the DSP transfer was never started.  This false-positive leads
to multiple second delays when ca0132_setup_efaults() times out on
each write.

Signed-off-by: Dylan Reid <dgreid@chromium.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-15 07:40:39 +01:00
Dylan Reid d1d28500cc ALSA: hda/ca0132 - Check if dspload_image succeeded.
If dspload_image() fails, it was ignored and dspload_wait_loaded() was
still called.  dsp_loaded should never be set to true in this case,
skip it.  The check in dspload_wait_loaded() return true if the DSP is
loaded or if it never started.

Signed-off-by: Dylan Reid <dgreid@chromium.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-15 07:40:11 +01:00
David Henningsson 303985f810 ALSA: hda - Disable IDT eapd_switch if there are no internal speakers
If there are no internal speakers, we should not turn the eapd switch
off, because it might be necessary to keep high for Headphone.

BugLink: https://bugs.launchpad.net/bugs/1155016
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-14 15:31:45 +01:00
Takashi Iwai b5f82b1044 ALSA: hda - Fix snd_hda_get_num_raw_conns() to return a correct value
In the connection list expansion in hda_codec.c and hda_proc.c, the
value returned from snd_hda_get_num_raw_conns() is used as the array
size to store the connection list.  However, the function returns
simply a raw value of the AC_PAR_CONNLIST_LEN parameter, and the
widget list with ranges isn't considered there.  Thus it may return a
smaller size than the actual list, which results in -ENOSPC in
snd_hda_get_raw_conections().

This patch fixes the bug by parsing the connection list correctly also
for snd_hda_get_num_raw_conns().

Reported-and-tested-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-12 16:47:30 +01:00
Wei Yongjun 2e9b9a3c24 ALSA: asihpi - fix potential NULL pointer dereference
The dereference should be moved below the NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-12 08:34:36 +01:00
Sean Connor 69a4cfdd44 ALSA: ice1712: Initialize card->private_data properly
Set card->private_data in snd_ice1712_create for fixing NULL
dereference in snd_ice1712_remove().

Signed-off-by: Sean Connor <sconnor004@allyinics.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-07 15:38:58 +01:00
Kailang Yang 84dfd0ac23 ALSA: hda - Add support of new codec ALC233
It's compatible with ALC282.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-07 09:21:01 +01:00
Xi Wang 3bc085a12d ALSA: hda/ca0132 - Avoid division by zero in dspxfr_one_seg()
Move the zero check `hda_frame_size_words == 0' before the modulus
`buffer_size_words % hda_frame_size_words'.

Also remove the redundant null check `buffer_addx == NULL'.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-07 09:18:00 +01:00
Mengdong Lin 4c7a548a70 ALSA: hda - check NULL pointer when creating SPDIF PCM switch
If the new control cannot be created, this function will return to avoid
snd_hda_ctl_add dereferencing a NULL control pointer.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-07 09:14:03 +01:00
Mengdong Lin 25336e8ae2 ALSA: hda - check NULL pointer when creating SPDIF controls
If the SPDIF control array cannot be reallocated, the function
will return to avoid dereferencing a NULL pointer.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-07 09:12:14 +01:00
Mihail Zenkov d0ec95fe6a ALSA: emu10k1: Allow to switch hardware sampe rate on EMU
Commit 57e5c63007 "emu10k1: allow to
 disable the SRC" force hardware use only one rate (48000 hz).
EMU 0404/1010/1616 have support two hardware sampling rates (44100 and
48000 hz). This patch add check if we have EMU 0404/1010/1616 and
choose correct sample rate to restrict.

Signed-off-by: Mihail Zenkov <mihail.zenkov@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-25 13:39:51 +01:00
Takashi Iwai 8554ee4057 ALSA: hda - Enable beep for ASUS EeeBox EBP1501P
Reported-by: Harald Becker <ralda@gmx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-25 09:54:43 +01:00
Florian Zeitz b56ddbe55a ALSA: emu10k1: Load firmware when it was already cached
This expands the regression fix from
d28215996b.
The firmware also needs to be loaded when it was already cached.

Signed-off-by: Florian Zeitz <florob@babelmonkeys.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-25 09:53:35 +01:00
Jonas Petersen c2d3703cdd ALSA: ice1724: M-Audio Audiophile192: Fix SPDIF input
This patch fixes initialization of the AK4114 chip so spdif capture is working properly.
Worked out together with Pavel Hofman.

Signed-off-by: Jonas Petersen <jnsptrsn1@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-25 09:52:07 +01:00
Takashi Iwai aacfddfdad ALSA: bt87x: Make load_all parameter working again
Along with a clean up commit [e9f66d9b9: ALSA: pci: clean up using
module_pci_driver()], bt87x driver lost the functionality of load_all
parameter.  This patch does a partial revert of the commit only for
bt87x.c to recover it.

Reported-by: Clemens Ladisch <cladisch@googlemail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-25 09:48:45 +01:00
Mihail Zenkov d28215996b ALSA: emu10k1: Fix regression in emu1010 firmware loading
This patch fix regression in emu1010 firmware loading after
http://git.alsa-project.org/?p=alsa-kprivate.git;a=commitdiff;h=b209c4dfcd960ab176d4746ab7dc442a3edb4575

I just revert small part of this commit. Tested on emu1212m pci.

Signed-off-by: Mihail Zenkov <mihail.zenkov@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-22 13:56:20 +01:00
David Henningsson 30efd8debd ALSA: hda - hdmi: Make jacks phantom, if they're not detectable
Just as for analog codecs, a jack that isn't suitable for detection
(in this case, NO_PRESENCE was set) should be a phantom Jack
instead of a normal one.

Thanks to Raymond Yau for spotting.

Cc: stable@vger.kernel.org
BugLink: https://bugs.launchpad.net/bugs/961286
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=903869
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-22 10:23:32 +01:00
David Henningsson 92c69e796b ALSA: hda - hdmi: Notify userspace when ELD control changes
ELD validity can change during the lifetime of a presence detect,
so we need to be able to listen for changes on the ELD control.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-19 18:28:38 +01:00
David Henningsson 4bd038f9d8 ALSA: hda - hdmi: Protect ELD buffer
Because the eld buffer can be simultaneously accessed from both
workqueue context (updating) and process context (kcontrol read),
we need to protect it with a mutex to guarantee consistency.

To avoid holding the mutex while reading the ELD info from the
codec, we introduce a temporary eld buffer.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-19 18:28:30 +01:00
David Henningsson 1613d6b46b ALSA: hda - hdmi: Refactor hdmi_eld into parsed_hdmi_eld
For better readability, the information that is parsed out of the
ELD data is now put into a separate parsed_hdmi_eld struct.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-19 18:28:22 +01:00
David Henningsson 68e03de985 ALSA: hda - hdmi: Do not expose eld data when eld is invalid
Previously, it was possible to read the eld data of the previous
monitor connected. This should not be allowed.

Also refactor the function slightly.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-19 18:28:13 +01:00
David Henningsson bbfd8a19b6 ALSA: hda - hdmi: ELD shouldn't be valid after unplug
Currently, eld_valid is never set to false, except at kernel module
load time. This patch makes sure that eld is no longer valid when
the cable is (hot-)unplugged.

Cc: stable@kernel.org
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-19 18:28:04 +01:00
Takashi Iwai e6e0ee507f ALSA: hda - Fix the silent speaker output on Fujitsu S7020 laptop
In the recent update, Fujitsu S7020 laptop with ALC260 codec lost the
speaker output, no matter how the amps and the pins are set.  After a
long debugging session, we found out that the default codec init code
is harmful for this machine, and we have to reset it to
ALC_INIT_NONE.

Reported-and-tested-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-18 17:04:20 +01:00
David Henningsson d06ac14399 ALSA: hda - add quirks for mute LED on two HP machines
These two machines have no mute LED string in BIOS.

BugLink: https://bugs.launchpad.net/bugs/1128934
Tested-by: Tammy Yang <tammy.yang@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-18 11:46:46 +01:00
Raymond Yau f3c90242a3 ALSA: au88x0 - Define channel map for au88x0
Define channel map for playback, capture devices of au88x0

Signed-off-by: Raymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-14 15:01:52 +01:00
David Henningsson 8be69efacd ALSA: hda - Remove speaker clicks on CX20549
This chip needs the speaker pin to go to D3 to avoid clicks,
so default_power_filter does not work here.

This was found on Thinkpad R61i/T61i but I guess it applies to
the entire chip. If not, quirks should be set for at least
PCI SSID 17aa:20ac.

Thanks to c4pp4 for testing.

BugLink: https://bugs.launchpad.net/bugs/886975
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-14 11:54:43 +01:00
Takashi Iwai 2c1350fdea ALSA: hda - Disable runtime PM for Intel 5 Series/3400
We've got a regression report wrt the IRQ issue related with the
power-save on a Dell machine, and disabling runtime PM works around.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=53441

Cc: <stable@vger.kernel.org> [v3.7+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-14 09:44:55 +01:00
Takashi Iwai 1d739066a0 ALSA: hda - Increase badness for missing multi-io
The current badness value used for the missing multi-io seems too
weak, and the multi-io tends to be skipped for desktop configurations
when no enough DACs are available.  It's because the total badness of
the multi-io becomes often larger than the badness with assigning an
individual DAC to a headphone jack.  This is good for one side, but it
seems that the surround outputs are more demanded by that.

This patch increases the badness value for the missing multi-io
slightly so that the multi-io would be preferred than the individual
headphone DAC if they conflict.  Through the tests with hda-emu,
mostly only desktop configurations with ALC662/663 and CMI codecs are
affected by this change, and all look reasonable.

Reported-by: Raymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-13 14:17:32 +01:00
Takashi Iwai ea9b43addc ALSA: hda - Fix broken workaround for HDMI/SPDIF conflicts
The commit [dcda58061: ALSA: hda - Add workaround for conflicting
IEC958 controls] introduced a workaround for cards that have both
SPDIF and HDMI devices for giving device=1 to SPDIF control elements.
It turned out, however, that this workaround doesn't work well -

- The workaround checks only conflicts in a single codec, but SPDIF
  and HDMI are provided by multiple codecs in many cases, and

- ALSA mixer abstraction doesn't care about the device number in ctl
  elements, thus you'll get errors from amixer such as
  % amixer scontrols -c 0
  ALSA lib simple_none.c:1551:(simple_add1) helem (MIXER,'IEC958
  Playback Switch',0,1,0) appears twice or more
  amixer: Mixer hw:0 load error: Invalid argument

This patch fixes the previous broken workaround.  Instead of changing
the device number of SPDIF ctl elements, shift the element indices of
such controls up to 16.  Also, the conflict check is performed over
all codecs found on the bus.

HDMI devices will be put to dev=0,index=0 as before.  Only the
conflicting SPDIF device is moved to a different place.  The new place
of SPDIF device is supposed by the updated alsa-lib HDA-Intel.conf,
respectively.

Reported-by: Stephan Raue <stephan@openelec.tv>
Reported-by: Anssi Hannula <anssi.hannula@iki.fi>
Cc: <stable@vger.kernel.org> [v3.8]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-12 17:09:19 +01:00
Takashi Iwai 9958922a32 ALSA: hda/ca0132 - Add missing \n to debug prints
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-12 12:11:03 +01:00
Takashi Iwai 4a8b89f995 ALSA: hda/ca0132 - Fix type of INVALID_CHIP_ADDRESS
The chip address is 32bit long but INVALID_CHIP_ADDRESS is defined as
an unsigned long.  This makes dsp_chip_to_dsp_addx() misbehaving on
64bit architectures.  Fix the INVALID_CHIP_ADDRESS definition to be
32bit.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-12 10:15:15 +01:00
Fernando Luis Vázquez Cao d911149625 ALSA: hda - update documentation for no-primary-hp fixup
The problem addressed by this fixup is not specific to Vaio Z, affecting
some Vaio all-in-one desktop PCs too. Update the code comments accordingly.

Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-12 10:12:39 +01:00
Fernando Luis Vázquez Cao 12e31a78c7 ALSA: hda - Workaround for silent output on Sony Vaio VGC-LN51JGB with ALC889
Some Vaio all-in-one desktop PCs (for example VGC-LN51JGB) are affected by
the same issue that caused Vaio Z laptops to become silent: the speaker pin
must be connected to the first DAC even though the codec itself advertises
flexible routing through any of the DACs.

Use the no-primary-hp fixup for choosing the speaker pin as the primary so
that the right DAC is assigned on this device.

Cc: stable@vger.kernel.org
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-12 10:11:01 +01:00
Denis Efremov dacae5a19b ALSA: ali5451: remove irq enabling in pointer callback
snd_ali_pointer function is called with local
interrupts disabled. However it seems very strange to
reenable them in such way.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Denis Efremov <yefremov.denis@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-11 16:52:46 +01:00
Denis Efremov f49a59c447 ALSA: rme32.c irq enabling after spin_lock_irq
According to the other code in this driver and similar
code in rme96 it seems, that spin_lock_irq in
snd_rme32_capture_close function should be paired
with spin_unlock_irq.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Denis Efremov <yefremov.denis@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-11 16:12:24 +01:00
Takashi Iwai f664417e23 ALSA: hda/ca0132 - Slight optimization for build with DSP
This reduces the resultant binary size.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-11 14:18:29 +01:00
Takashi Iwai b3667bd757 ALSA: hda - Fix memory leak and error handling in CA0132 DSP loader
This patch fixes a few obvious bugs in DSP loader stuff:
- Fix possible memory leaks in the error path
- Avoid double-free calls in dma_reset()
- Properly set/unset WC bits for DMA buffers
- Add missing error status checks

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-10 11:58:40 +01:00
Ian Minett 6d67530e2c ALSA: CA0132: Improve the DSP transfer timeout calculations
Base the DSP firmware transfer and communication timeouts on jiffy values.

Signed-off-by: Ian Minett <ian_minett@creativelabs.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-10 11:43:46 +01:00
James Ralston 884b088f61 ALSA: hda_intel: Add Device IDs for Intel Wellsburg PCH
This patch adds the HD Audio Device IDs for the Intel Wellsburg PCH

Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-10 11:38:29 +01:00
Takashi Iwai c88d4e84e6 ALSA: hda - Yet another fix for broken HSW HDMI pin connections
A Haswell test machine showed that the invalid connection list, but
this time it has only a single pin on the codec, thus the former fixup
code doesn't work as it assumes the three pins blindly.

This patch splits the former fixup code to two parts:
- Enable eDP 1.2 for Haswell codec
- Fix the connection list of pins on Haswell codec;
  the converter list is recorded dynamically in hdmi_add_cvt(), and
  applied in hdmi_add_pin()

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-08 12:23:48 +01:00
Mengdong Lin 1611a9c931 ALSA: hda - Add fixup for Haswell to enable all pin and convertor widgets
Some Haswell machines support more than one display outputs (HDMI or DP),
but its BIOS may not enable the codec's 2nd and 3rd pin and output cvt widgets.

This patch implements a board-specific fixup for Intel Haswell Machines:
If the hidden pins are not enabled by BIOS, the driver will enable them
and call common code to update the codec tree.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-08 12:23:13 +01:00
Mengdong Lin a15d05db41 ALSA: hda - Support rereading widgets under the function group
A codec may allow software to hide some unused pin/cvt widgets.

Sometimes BIOS does not enable the hidden widgets properly although they are
needed for the board. Thus the driver need to enable them as a board-specific
fixup and the whole tree will change.

This patch implements a common code for rereading codec widgets. So the fixup
code can call it after enabling the hidden widgets.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-08 12:22:50 +01:00