Commit Graph

29510 Commits

Author SHA1 Message Date
Takashi Sakamoto 9c367c01d3 ALSA: dice: remove local frag of force_two_pcms
At present, to add PCM substreams for each of available tx/rx streams,
this driver uses a condition based on model-name. This is not enough
to support unknown models.

In former commits, this driver gains cache of stream formats. For models
which support protocol extension, all of available steam formats are
cached. For known models, hard-coded stream formats are used to generate
the cache. For unknown models, stream formats at current mode of sampling
transmission frequency is cached.

Anyway, at least, the cached formats are used to expose constrains of PCM
substreams for userspace applications. Thus, The cached data can be also
used to add PCM substreams themselves, instead of the name-based
conditions.

This commit obsoletes local frag of force_two_pcms.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:02:08 +02:00
Takashi Sakamoto bd2b441c57 ALSA: dice: use cache for PCM constraints and rules
In former commits, proxy structure gets members for cache of stream
formats. The cache allows to apply correct constraints and rules to
runtime of PCM substream. They allows userspace applications to change
current sampling transmission frequency.

This commit uses the cacher for the PCM constraints and rules.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:02:06 +02:00
Takashi Sakamoto b8f78234aa ALSA: dice: use stream formats to add MIDI substreams
In former commits, proxy structure gets members for cache of stream
formats. The cache can be used to count the number of MIDI substreams
to add.

This commit uses the cache for this purpose.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:02:05 +02:00
Takashi Sakamoto afa617f219 ALSA: dice: enable to change current sampling transmission frequency
This is a preparation for userspace applications to change current sampling
transmission frequency via ALSA PCM interface.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:02:04 +02:00
Takashi Sakamoto 20b9454479 ALSA: dice: add a helper function to restart all of available streams
This commit is a small refactoring for better readability.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:02:03 +02:00
Takashi Sakamoto ec592fd32e ALSA: dice: use cache of stream format to check running stream
At present, to check running stream, available stream formats are used
at current sampling transmission frequency (stf). But when changing stf,
it's convenient to use cache of stream formats.

This commit applies this idea.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:02:02 +02:00
Takashi Sakamoto 58579c056c ALSA: dice: use extended protocol to detect available stream formats
TC Applied Technologies (TCAT) have added extension to DICE protocol. This
protocol extension is called as Extended Application Protocol, a.k.a. EAP.

In this protocol extension, units get additional 9 address spaces. One of
it is for current configuration. In this address space, a pair of router
and stream formats are exposed per mode of three sampling transmission
frequencies.

This commit adds support the protocol extension for address space of the
current configuration to generate cache of stream formats.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:02:00 +02:00
Takashi Sakamoto 28b208f600 ALSA: dice: add parameters of stream formats for models produced by Alesis
Alesis shipped some models with DICE ASICs. All of them just support
DICE original protocol and drivers can't retrieve all of available stream
formats without changing status of sampling transmission frequency
actually.

This commit puts some hard-coded parameters for the models. When detecting
the models, the corresponding parameters are copied as cache of stream
formats.

I note that each of pair of iO14/iO26 and MultiMix 8/12/16 has the same
model ID on their configuration ROM. The MultiMix 8/12/16 just support
one mode for sampling transmission frequency and ALSA dice driver already
handles them correctly. The iO14/iO26 support three modes and need
hard-coded parameters. To distinguish these two models, this commit let
the driver to retrieve current stream formats and compare it to known
parameters, then decide it.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:01:57 +02:00
Takashi Sakamoto f1f0f330b1 ALSA: dice: add parameters of stream formats for models produced by TC Electronic
TC Electronic shipped some models with DICE ASICs. All of them just support
DICE original protocol and drivers can't retrieve all of available stream
formats without changing status of sampling transmission frequency
actually.

This commit puts some hard-coded parameters for the models. When detecting
the models, the corresponding parameters are copied as cache of stream
formats.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:01:55 +02:00
Takashi Sakamoto b60152f750 ALSA: dice: cache stream formats at current mode of sampling transmission frequency
In former commits, proxy structure get members for cache of stream
formats. This commit fills the cache with stream formats at current mode
of sampling transmission frequency.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:01:54 +02:00
Takashi Sakamoto b7fd3d64e7 ALSA: dice: add proc node for stream formation
Products with DICE interface in market can support variable stream
formats for three levels of sampling transmission frequencies. To
record these formats, a proxy structure got several fields in former
commit.

This commit adds a proc node to output the stream formats for debugging
purpose.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:01:53 +02:00
Takashi Sakamoto 37149d6687 ALSA: dice: add 'firewire' directory for proc nodes
Unlike the other drivers in ALSA firewire stack, ALSA dice driver does't
create 'firewire' directory for proc nodes because it has 'dice' node
only. But this is inconvenient because I have a plan to add another proc
node to output available stream formats from cache.

This commit let the driver to create the directory and put 'dice' node
into it.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:01:51 +02:00
Takashi Sakamoto 8feda7ddb6 ALSA: dice: add cache of stream formats
A previous commit 6f688268b3 ('ALSA: dice: purge generating channel
cache') purged cache of stream formats. DICE interface originally has
no feature to assist drivers to retrieve available formats for all of
supported sampling transmission frequencies, without changing the
frequency actually.

For later release of Dice ASICs such as TCD2210, Dice interface has
extended protocol and can support the feature. This assists drivers
to retrieve available stream formats.

This commit is a first step to regain the cache to generate PCM rules
for all of supported sampling transmission frequencies.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:01:50 +02:00
Colin Ian King 6a300dc95e ALSA: sc6000: fix spelling mistake: "iomaped" -> "iomapped"
Trivial fix to spelling mistake in KERN_ERR error messages

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 16:01:15 +02:00
Takashi Sakamoto 8e142e9e62 ALSA: hda/ca0132: fix build failure when a local macro is defined
DECLARE_TLV_DB_SCALE (alias of SNDRV_CTL_TLVD_DECLARE_DB_SCALE) is used but
tlv.h is not included. This causes build failure when local macro is
defined by comment-out.

This commit fixes the bug. At the same time, the alias macro is replaced
with a destination macro added at a commit 46e860f768 ("ALSA: rename
TLV-related macros so that they're friendly to user applications")

Reported-by: Connor McAdams <conmanx360@gmail.com>
Fixes: 44f0c9782c ('ALSA: hda/ca0132: Add tuning controls')
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 15:57:58 +02:00
Takashi Iwai f4a414aa6e ALSA: hda - Enforce CONFIG_SND_DYNAMIC_MINORS for HDMI/DP codec
The DP-MST support requires more PCM streams than usual, hence
CONFIG_SND_DYNAMIC_MINORS is almost mandatory.  Currently the driver
just warns and continues even if streams are missing, but it doesn't
seem to enough convince users to switch to the modern setup.

This patch adds the enforced selection of CONFIG_SND_DYNAMIC_MINORS
from CONFIG_SND_HDA_CODEC_HDMI for covering that.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-02 09:08:16 +02:00
Colin Ian King dfd9944f7c ALSA: cs46xx: fix spelling mistake: "amplifer" -> "amplifier"
Trivial fix to spelling mistake in module parameter description text

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-27 21:26:19 +02:00
Takashi Iwai 4d31c6e41e Merge branch 'for-linus' into for-next
Back-merge 4.17-rc3 fixes for further development.
This will bump the base to 4.17-rc2, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 16:44:36 +02:00
Takashi Iwai 8a7d6003df ALSA: hda - Skip jack and others for non-existing PCM streams
When CONFIG_SND_DYNAMIC_MINORS isn't set, there are only limited
number of devices available, and HD-audio, especially with HDMI/DP
codec, will fail to create more than two devices.

The driver warns about the lack of such devices and skips the PCM
device creations, but the HDMI driver still tries to create the
corresponding JACK, SPDIF and ELD controls even for the non-existing
PCM substreams.  This results in confusion on user-space, and even may
break the operation.

Similarly, Intel HDMI/DP codec builds the ELD notification from i915
graphics driver, and this may be broken if a notification is sent for
the non-existing PCM stream.

This patch adds the check of the existence of the assigned PCM
substream in the both scenarios above, and skips the further operation
if the PCM substream is not assigned.

Fixes: 9152085def ("ALSA: hda - add DP MST audio support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 16:37:19 +02:00
Takashi Iwai 3a230f7d09 ASoC: Fixes for v4.17
A small batch of fixes collected since the merge window, none of which
 are particularly large or remarkable.  They've all been cooking in -next
 for a while.
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Merge tag 'asoc-fix-4.17-rc2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v4.17

A small batch of fixes collected since the merge window, none of which
are particularly large or remarkable.  They've all been cooking in -next
for a while.
2018-04-25 12:22:20 +02:00
Kailang Yang 65811834ba ALSA: hda/realtek - change the location for one of two front mics
On this Lenovo ThinkCentre machine. There are two front mics,
we change the location for one of them.

Relation: f33f79f3d0 ("ALSA: hda/realtek - change the location for
one of two front microphones")

Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 11:35:50 +02:00
Takashi Iwai f526afcd8f ALSA: rme9652: Hardening for potential Spectre v1
As recently Smatch suggested, one place in RME9652 driver may expand
the array directly from the user-space value with speculation:
  sound/pci/rme9652/rme9652.c:2074 snd_rme9652_channel_info() warn: potential spectre issue 'rme9652->channel_map' (local cap)

This patch puts array_index_nospec() for hardening against it.

BugLink: https://marc.info/?l=linux-kernel&m=152411496503418&w=2
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 10:37:48 +02:00
Takashi Iwai 10513142a7 ALSA: hdspm: Hardening for potential Spectre v1
As recently Smatch suggested, a couple of places in HDSP MADI driver
may expand the array directly from the user-space value with
speculation:
  sound/pci/rme9652/hdspm.c:5717 snd_hdspm_channel_info() warn: potential spectre issue 'hdspm->channel_map_out' (local cap)
  sound/pci/rme9652/hdspm.c:5734 snd_hdspm_channel_info() warn: potential spectre issue 'hdspm->channel_map_in' (local cap)

This patch puts array_index_nospec() for hardening against them.

BugLink: https://marc.info/?l=linux-kernel&m=152411496503418&w=2
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 10:37:48 +02:00
Takashi Iwai f9d94b57e3 ALSA: asihpi: Hardening for potential Spectre v1
As recently Smatch suggested, a couple of places in ASIHPI driver may
expand the array directly from the user-space value with speculation:
  sound/pci/asihpi/hpimsginit.c:70 hpi_init_response() warn: potential spectre issue 'res_size' (local cap)
  sound/pci/asihpi/hpioctl.c:189 asihpi_hpi_ioctl() warn: potential spectre issue 'adapters'

This patch puts array_index_nospec() for hardening against them.

BugLink: https://marc.info/?l=linux-kernel&m=152411496503418&w=2
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 10:37:47 +02:00
Takashi Iwai 7f054a5bee ALSA: opl3: Hardening for potential Spectre v1
As recently Smatch suggested, one place in OPL3 driver may expand the
array directly from the user-space value with speculation:
  sound/drivers/opl3/opl3_synth.c:476 snd_opl3_set_voice() warn: potential spectre issue 'snd_opl3_regmap'

This patch puts array_index_nospec() for hardening against it.

BugLink: https://marc.info/?l=linux-kernel&m=152411496503418&w=2
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 10:37:47 +02:00
Takashi Iwai 69fa6f19b9 ALSA: hda: Hardening for potential Spectre v1
As recently Smatch suggested, one place in HD-audio hwdep ioctl codes
may expand the array directly from the user-space value with
speculation:
  sound/pci/hda/hda_local.h:467 get_wcaps() warn: potential spectre issue 'codec->wcaps'

As get_wcaps() itself is a fairly frequently called inline function,
and there is only one single call with a user-space value, we replace
only the latter one to open-code locally with array_index_nospec()
hardening in this patch.

BugLink: https://marc.info/?l=linux-kernel&m=152411496503418&w=2
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 10:37:46 +02:00
Takashi Iwai 8d218dd811 ALSA: seq: oss: Hardening for potential Spectre v1
As Smatch recently suggested, a few places in OSS sequencer codes may
expand the array directly from the user-space value with speculation,
namely there are a significant amount of references to either
info->ch[] or dp->synths[] array:

  sound/core/seq/oss/seq_oss_event.c:315 note_on_event() warn: potential spectre issue 'info->ch' (local cap)
  sound/core/seq/oss/seq_oss_event.c:362 note_off_event() warn: potential spectre issue 'info->ch' (local cap)
  sound/core/seq/oss/seq_oss_synth.c:470 snd_seq_oss_synth_load_patch() warn: potential spectre issue 'dp->synths' (local cap)
  sound/core/seq/oss/seq_oss_event.c:293 note_on_event() warn: potential spectre issue 'dp->synths'
  sound/core/seq/oss/seq_oss_event.c:353 note_off_event() warn: potential spectre issue 'dp->synths'
  sound/core/seq/oss/seq_oss_synth.c:506 snd_seq_oss_synth_sysex() warn: potential spectre issue 'dp->synths'
  sound/core/seq/oss/seq_oss_synth.c:580 snd_seq_oss_synth_ioctl() warn: potential spectre issue 'dp->synths'

Although all these seem doing only the first load without further
reference, we may want to stay in a safer side, so hardening with
array_index_nospec() would still make sense.

We may put array_index_nospec() at each place, but here we take a
different approach:

- For dp->synths[], change the helpers to retrieve seq_oss_synthinfo
  pointer directly instead of the array expansion at each place

- For info->ch[], harden in a normal way, as there are only a couple
  of places

As a result, the existing helper, snd_seq_oss_synth_is_valid() is
replaced with snd_seq_oss_synth_info().  Also, we cover MIDI device
where a similar array expansion is done, too, although it wasn't
reported by Smatch.

BugLink: https://marc.info/?l=linux-kernel&m=152411496503418&w=2
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 10:37:45 +02:00
Takashi Iwai f5e94b4c6e ALSA: seq: oss: Fix unbalanced use lock for synth MIDI device
When get_synthdev() is called for a MIDI device, it returns the fixed
midi_synth_dev without the use refcounting.  OTOH, the caller is
supposed to unreference unconditionally after the usage, so this would
lead to unbalanced refcount.

This patch corrects the behavior and keep up the refcount balance also
for the MIDI synth device.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 10:37:45 +02:00
Kailang Yang ab3b8e5159 ALSA: hda/realtek - Update ALC255 depop optimize
Add ALC255 its own depop functions for alc_init and alc_shutup.
Assign it to ALC256 usage.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 10:37:16 +02:00
Kailang Yang ea04a1dbf8 ALSA: hda/realtek - Add some fixes for ALC233
Fill COEF to change EAPD to verb control.
Assigned codec type.

This is an additional fix over 92f974df34 ("ALSA: hda/realtek - New
vendor ID for ALC233").

[ More notes:
  according to Kailang, the chip is 10ec:0235 bonding for ALC233b,
  which is equivalent with ALC255.  It's only used for Lenovo.
  The chip needs no alc_process_coef_fw() for headset unlike ALC255. ]

Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 10:22:03 +02:00
Souptick Joarder 41412fe921 ALSA: pcm: Change return type to vm_fault_t
Use new return type vm_fault_t for fault handler. For
now, this is just documenting that the function returns
a VM_FAULT value rather than an errno. Once all instances
are converted, vm_fault_t will become a distinct type.

Commit 1c8f422059 ("mm: change return type to vm_fault_t")

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 08:15:45 +02:00
Souptick Joarder 295810516e ALSA: usx2y: Change return type to vm_fault_t
Use new return type vm_fault_t for fault handler. For
now, this is just documenting that the function returns
a VM_FAULT value rather than an errno. Once all instances
are converted, vm_fault_t will become a distinct type.

Commit 1c8f422059 ("mm: change return type to vm_fault_t")

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 08:15:20 +02:00
Michael Drake 8e0428a7e7 ALSA: usb-audio: ADC3: Fix channel mapping conversion for ADC3.
The channel mapping is defined by bChRelationship, not bChPurpose.

Fixes: 9a2fe9b801 ("ALSA: usb: initial USB Audio Device Class 3.0 support")
Reviewed-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Signed-off-by: Michael Drake <michael.drake@codethink.co.uk>
Signed-off-by: Jorge Sanjuan <jorge.sanjuan@codethink.co.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-24 19:54:56 +02:00
Takashi Iwai 08605068df ALSA: hda - Sanity check of access to SPDIF controls array
Put WARN_ON() and bail out if the given index is over the allocated
array of the given SPDIF controls.  It's merely a sanity check to
catch any potential issues (if any).

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-24 17:18:59 +02:00
Takashi Sakamoto c1a3610104 ALSA: dice: improve support for ancient firmware for DICE
In early stage of firmware SDK, DICE seems to lose its backward
compatibility due to some registers on global address section. I found
this with Alesis Multimix 12 FireWire with ancient firmware (approx.
shipped version).

According to retrieved log from the unit, global section has 96 byte
space. On the other hand, current version of ALSA dice driver assumes
that all of supported unit has at least 100 byte space.

$ ./firewire-request /dev/fw1 read 0xffffe0000000 28
result: 000: 00 00 00 0a 00 00 00 18 00 00 00 22 00 00 00 8a
result: 010: 00 00 00 ac 00 00 01 12 00 00 00 00 00 00 00 00
result: 020: 00 00 00 00 00 00 00 00

This commit adds support for the ancient firmware. Check of global section
is loosened to accept the smaller space. The lack of information is
already compensated by hard-coded parameters.

I experienced that the latest version of Windows driver for this model
can't handle this unit, too. This means that TCAT releases firmware SDK
without backward compatibility for the ancient firmware.

Below list is a early history of driver/firmware package released by
Alesis. I investigated on wayback machine on Internet Archive:
 * Unknown: PAL v1.0.41.2, firmware v1.0.3
 * Mar 2006: PAL v1.54.0, firmware v1.0.4
 * Dec 2006: PAL v2.0.0.2, firmware v2.0
 * Jun 2007: PAL v3.0.41.5, firmware v2.0
 * Jul 2007: PAL v3.0.56.2. firmware v2.0
 * Jan 2008: PAL v3.0.81.1080, firmware v2.0

If I can assume that firmware version is the same as DICE version, DICE
version for the issued firmware may be v1.0.3. According to code base of
userspace driver project (FFADO), I can read DICE v1.0.4 supports global
space larger than 100 byte. I guess the smaller space of global section is
a feature of DICE v1.0.3.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-24 17:18:59 +02:00
Takashi Sakamoto 10412c420a ALSA: dice: fix OUI for TC group
OUI for TC Electronic is 0x000166, for TC GROUP A/S. 0x001486 is for Echo
Digital Audio Corporation.

Fixes: 7cafc65b3a ('ALSA: dice: force to add two pcm devices for listed models')
Cc: <stable@vger.kernel.org> # v4.6+
Reference: http://standards-oui.ieee.org/oui/oui.txt
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-24 13:51:35 +02:00
Takashi Iwai a9c2dfc852 ALSA: hda - Use a macro for snd_array iteration loops
Introduce a new helper macro, snd_array_for_each(), to iterate for
each snd_array element.  It slightly improves the readability than
lengthy open codes at each place.

Along with it, add const prefix to some obvious places.

There should be no functional changes by this.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-24 13:41:53 +02:00
Takashi Iwai 1d8d6428d1 ALSA: usb-audio: Skip broken EU on Dell dock USB-audio
The Dell Dock USB-audio device with 0bda:4014 is behaving notoriously
bad, and we have already applied some workaround to avoid the firmware
hiccup.  Yet we still need to skip one thing, the Extension Unit at ID
4, which doesn't react correctly to the mixer ctl access.

Bugzilla: https://bugzilla.suse.com/show_bug.cgi?id=1090658
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-24 13:39:30 +02:00
Takashi Iwai 2b54f785b4 ALSA: usb-audio: Fix missing endian conversion
The UAC2 jack detection support introduced the bmControls checks in a
couple of places, but they forgot the endian conversion; the
bmControls of UAC2 terminal descriptor is __le16, not a byte like in
UAC1.

Fixes: 5a222e8494 ("ALSA: usb-audio: UAC2 jack detection")
Tested-by: Andrew Chant <achant@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-24 13:36:28 +02:00
Takashi Iwai 2de841efae ALSA: usb-audio: Fix forgotten conversion of control query functions
The recent code refactoring made the argument for some helper
functions to be the explicit UAC_CS_* and UAC2_CS_* value instead of
0-based offset.  However, there was one place left forgotten, and it
caused a regression on some devices appearing as the inconsistent
mixer setup.

This patch corrects the forgotten conversion.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=199449
Fixes: 21e9b3e931 ("ALSA: usb-audio: fix uac control query argument")
Tested-by: Nazar Mokrynskyi <nazar@mokrynskyi.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-23 16:20:29 +02:00
Takashi Iwai 1ba7862f1f ALSA: control: Fix missing __user annotation
There is one place missing __user annotation to the pointer used by
the recent code refactoring.  Reported by sparse.

Fixes: 450296f305 ("ALSA: control: code refactoring TLV ioctl handler")
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-23 16:19:52 +02:00
Daniel Mack f656891c66 ALSA: usb-audio: add more quirks for DSD interfaces
Based on a downstream patch from Harry ten Berge.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Reported-and-tested-by: wenyi@tianyu-wool.com
Original-by: Harry ten Berge <htenberge@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-23 08:53:43 +02:00
kbuild test robot c4e4a8fb23 ALSA: cmi8328: array_find() can be static
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-23 08:48:54 +02:00
David Henningsson f853dcaae2 ALSA: core: Report audio_tstamp in snd_pcm_sync_ptr
It looks like a simple mistake that this struct member
was forgotten.

Audio_tstamp isn't used much, and on some archs (such as x86) this
ioctl is not used by default, so that might be the reason why this
has slipped for so long.

Fixes: 4eeaaeaea1 ("ALSA: core: add hooks for audio timestamps")
Signed-off-by: David Henningsson <diwic@ubuntu.com>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Cc: <stable@vger.kernel.org> # v3.8+
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-23 08:47:03 +02:00
Jeffery Miller 912e4c3320 ALSA: pcm: Return negative delays from SNDRV_PCM_IOCTL_DELAY.
The commit c2c86a9717 ("ALSA: pcm: Remove set_fs() in PCM core code")
changed SNDRV_PCM_IOCTL_DELAY to return an inconsistent error instead of a
negative delay.  Originally the call would succeed and return the negative
delay.  The Chromium OS Audio Server (CRAS) gets confused and hangs when
the error is returned instead of the negative delay.

Help CRAS avoid the issue by rolling back the behavior to return a
negative delay instead of an error.

Fixes: c2c86a9717 ("ALSA: pcm: Remove set_fs() in PCM core code")
Signed-off-by: Jeffery Miller <jmiller@neverware.com>
Cc: <stable@vger.kernel.org> # v4.13+
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-23 08:41:35 +02:00
Linus Torvalds 5e7c780611 sound fixes for 4.17-rc2
A few small fixes:
 - A fix for the NULL-dereference in rawmidi compat ioctls, triggered
   by fuzzer
 - HD-audio Realtek codec quirks, a VIA controller fixup
 - A long-standing bug fix in LINE6 MIDI
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Merge tag 'sound-4.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A few small fixes:

   - a fix for the NULL-dereference in rawmidi compat ioctls, triggered
     by fuzzer

   - HD-audio Realtek codec quirks, a VIA controller fixup

   - a long-standing bug fix in LINE6 MIDI"

* tag 'sound-4.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: rawmidi: Fix missing input substream checks in compat ioctls
  ALSA: hda/realtek - adjust the location of one mic
  ALSA: hda/realtek - set PINCFG_HEADSET_MIC to parse_flags
  ALSA: hda - New VIA controller suppor no-snoop path
  ALSA: line6: Use correct endpoint type for midi output
2018-04-21 10:32:16 -07:00
Takashi Iwai 8a56ef4f3f ALSA: rawmidi: Fix missing input substream checks in compat ioctls
Some rawmidi compat ioctls lack of the input substream checks
(although they do check only for rfile->output).  This many eventually
lead to an Oops as NULL substream is passed to the rawmidi core
functions.

Fix it by adding the proper checks before each function call.

The bug was spotted by syzkaller.

Reported-by: syzbot+f7a0348affc3b67bc617@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-19 18:16:15 +02:00
Srinivas Kandagatla a8419a0cd9
ASoC: msm8916-wcd-analog: use threaded context for mbhc events
As snd_soc_jack_report() can sleep, move handling of mbhc events to a
thread context rather than in interrupt context.

Fixes: de66b34550 ('ASoC: codecs: msm8916-wcd-analog: add MBHC support')
Reported-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2018-04-19 12:30:42 +01:00
Alberto Aguirre 91a8561d0e ALSA: usb-audio: add implicit fb quirk for Axe-Fx III
The Axe-Fx III implicit feedback end point and the data sink endpoint
are in different interface descriptors. Add quirk to ensure a sync
endpoint is properly configured.

Signed-off-by: Alberto Aguirre <albaguirre@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-19 11:49:29 +02:00
Alberto Aguirre 103e962564 ALSA: usb-audio: simplify set_sync_ep_implicit_fb_quirk
Signed-off-by: Alberto Aguirre <albaguirre@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-19 11:49:22 +02:00