Commit Graph

1515 Commits

Author SHA1 Message Date
Takashi Iwai
95ef15c65a ALSA: ua101: Convert to the common vmalloc memalloc
The recent change (*) in the ALSA memalloc core allows us to drop the
special vmalloc-specific allocation and page handling.  This patch
coverts to the common code.
(*) 1fe7f397cf: ALSA: memalloc: Add vmalloc buffer allocation
                  support
    7e8edae39f: ALSA: pcm: Handle special page mapping in the
                  default mmap handler

Link: https://lore.kernel.org/r/20191105151856.10785-15-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-11-06 15:47:42 +01:00
Takashi Iwai
d7867ee7d2 ALSA: hiface: Convert to the common vmalloc memalloc
The recent change (*) in the ALSA memalloc core allows us to drop the
special vmalloc-specific allocation and page handling.  This patch
coverts to the common code.
(*) 1fe7f397cf: ALSA: memalloc: Add vmalloc buffer allocation
                  support
    7e8edae39f: ALSA: pcm: Handle special page mapping in the
                  default mmap handler

Link: https://lore.kernel.org/r/20191105151856.10785-14-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-11-06 15:47:42 +01:00
Takashi Iwai
c7b03852e7 ALSA: caiaq: Convert to the common vmalloc memalloc
The recent change (*) in the ALSA memalloc core allows us to drop the
special vmalloc-specific allocation and page handling.  This patch
coverts to the common code.
(*) 1fe7f397cf: ALSA: memalloc: Add vmalloc buffer allocation
                  support
    7e8edae39f: ALSA: pcm: Handle special page mapping in the
                  default mmap handler

Link: https://lore.kernel.org/r/20191105151856.10785-13-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-11-06 15:47:42 +01:00
Takashi Iwai
94ce90c562 ALSA: 6fire: Convert to the common vmalloc memalloc
The recent change (*) in the ALSA memalloc core allows us to drop the
special vmalloc-specific allocation and page handling.  This patch
coverts to the common code.
(*) 1fe7f397cf: ALSA: memalloc: Add vmalloc buffer allocation
                  support
    7e8edae39f: ALSA: pcm: Handle special page mapping in the
                  default mmap handler

Link: https://lore.kernel.org/r/20191105151856.10785-12-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-11-06 15:47:42 +01:00
Takashi Iwai
b315997d7c ALSA: usb-audio: Convert to the common vmalloc memalloc
The recent change (*) in the ALSA memalloc core allows us to drop the
special vmalloc-specific allocation and page handling.  This patch
coverts to the common code.
(*) 1fe7f397cf: ALSA: memalloc: Add vmalloc buffer allocation
                  support
    7e8edae39f: ALSA: pcm: Handle special page mapping in the
                  default mmap handler

Also, since the SG-buffer-specific PCM ops becomes identical with the
normal PCM ops, unify them again to the single ops, too.

Link: https://lore.kernel.org/r/20191105151856.10785-9-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-11-06 15:47:41 +01:00
Takashi Iwai
1158e89c9d ALSA: 6fire: Drop the dead code
A few error handling code was forgotten where it never reaches.
Drop it.

Link: https://lore.kernel.org/r/20191105151856.10785-8-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-11-06 15:47:41 +01:00
Takashi Iwai
0af0a4fec0 ALSA: usb: Remove superfluous snd_dma_continuous_data()
The recent change (commit 08422d2c55: "ALSA: memalloc: Allow NULL
device for SNDRV_DMA_TYPE_CONTINUOUS type") made the PCM preallocation
helper accepting NULL as the device pointer for the default usage.
Drop the snd_dma_continuous_data() usage that became superfluous from
the callers.

Link: https://lore.kernel.org/r/20191105151856.10785-7-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-11-06 15:47:41 +01:00
Saurav Girepunje
1d4961d9eb ALSA: usb-audio: sound: usb: usb true/false for bool return type
Use true/false for bool type return in uac_clock_source_is_valid().

Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Link: https://lore.kernel.org/r/20191029175200.GA7320@saurav
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-10-30 08:46:33 +01:00
Takashi Iwai
e2e556a954 Merge branch 'for-linus' into for-next
Back-merge the development process for catching up the HD-audio fix
(and apply a new one on top of that).

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-10-28 12:43:34 +01:00
Justin Song
e2995b95a9 ALSA: usb-audio: Add DSD support for Gustard U16/X26 USB Interface
This patch adds native DSD support for Gustard U16/X26 USB Interface.
Tested using VID and fp->dsd_raw method.

Signed-off-by: Justin Song <flyingecar@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/CA+9XP1ipsFn+r3bCBKRinQv-JrJ+EHOGBdZWZoMwxFv0R8Y1MQ@mail.gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-10-24 12:30:06 +02:00
Takashi Iwai
ba8bf0967a ALSA: usb-audio: Fix copy&paste error in the validator
The recently introduced USB-audio descriptor validator had a stupid
copy&paste error that may lead to an unexpected overlook of too short
descriptors for processing and extension units.  It's likely the cause
of the report triggered by syzkaller fuzzer.  Let's fix it.

Fixes: 57f8770620 ("ALSA: usb-audio: More validations of descriptor units")
Reported-by: syzbot+0620f79a1978b1133fd7@syzkaller.appspotmail.com
Link: https://lore.kernel.org/r/s5hsgnkdbsl.wl-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-10-22 17:47:32 +02:00
Szabolcs Szőke
7571b6a17f ALSA: usb-audio: Disable quirks for BOSS Katana amplifiers
BOSS Katana amplifiers cannot be used for recording or playback if quirks
are applied

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=195223
Signed-off-by: Szabolcs Szőke <szszoke.code@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191011171937.8013-1-szszoke.code@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-10-17 10:19:05 +02:00
Krzysztof Kozlowski
82e8d723e9 sound: Fix Kconfig indentation
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
    $ sed -e 's/^        /\t/' -i */Kconfig

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20191004144931.3851-1-krzk@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-10-07 03:53:03 +02:00
Jussi Laako
f41f900568 ALSA: usb-audio: Add DSD support for EVGA NU Audio
EVGA NU Audio is actually a USB audio device on a PCIexpress card,
with it's own USB controller. It supports both PCM and DSD.

Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190924071143.30911-1-jussi@sonarnerd.net
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-09-24 13:58:20 +02:00
Ilya Pshonkin
029d2c0fd6 ALSA: usb-audio: Add Hiby device family to quirks for native DSD support
This patch adds quirk VID ID for Hiby portable players family with
native DSD playback support.

Signed-off-by: Ilya Pshonkin <sudokamikaze@protonmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190917074937.157802-1-ilya.pshonkin@netforce.ua
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-09-17 09:54:24 +02:00
Jussi Laako
0067e154b1 ALSA: usb-audio: Update DSD support quirks for Oppo and Rotel
Oppo has issued firmware updates that change alt setting used for DSD
support. However, these devices seem to support auto-detection, so
support is moved from explicit whitelisting to auto-detection.

Also Rotel devices have USB interfaces that support DSD with
auto-detection.

Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-28 08:03:09 +02:00
Jussi Laako
eb7505d52a ALSA: usb-audio: DSD auto-detection for Playback Designs
Add DSD support auto-detection for newer Playback Designs devices. Older
device generations have a different USB interface implementation.

Keep the auto-detection VID whitelist sorted.

Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-28 08:03:00 +02:00
Dan Carpenter
b39e077fcb ALSA: usb-audio: remove some dead code
We recently cleaned up the error handling in commit 52c3e317a8 ("ALSA:
usb-audio: Unify the release of usb_mixer_elem_info objects") but
accidentally left this stray return.

Fixes: 52c3e317a8 ("ALSA: usb-audio: Unify the release of usb_mixer_elem_info objects")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-26 15:51:39 +02:00
Takashi Iwai
60849562a5 ALSA: usb-audio: Fix possible NULL dereference at create_yamaha_midi_quirk()
The previous addition of descriptor validation may lead to a NULL
dereference at create_yamaha_midi_quirk() when either injd or outjd is
NULL.  Add proper non-NULL checks.

Fixes: 57f8770620 ("ALSA: usb-audio: More validations of descriptor units")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-26 13:55:21 +02:00
Takashi Iwai
e0ccdef926 ALSA: usb-audio: Clean up check_input_term()
The primary changes in this patch are cleanups of __check_input_term()
and move to a non-nested switch-case block by evaluating the pair of
UAC version and the unit type, as we've done for parse_audio_unit().
Also each parser is split into the function for readability.

Now, a slight behavior change by this cleanup is the handling of
processing and extension units.  Formerly we've dealt with them
differently between UAC1/2 and UAC3; the latter returns an error if no
input sources are available, while the former continues to parse.

In this patch, unify the behavior in all cases: when input sources are
available, it parses recursively, then override the type and the id,
as well as channel information if not provided yet.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-25 10:12:52 +02:00
Takashi Iwai
744f51e863 Merge branch 'topic/usb-validation' into for-next
Pull USB validation patches.  It's based on the latest 5.3 development
branch, so we shall catch up the whole things.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-22 15:42:03 +02:00
Takashi Iwai
b8e4f1fdfa ALSA: usb-audio: Remove superfluous bLength checks
Now that we got the more comprehensive validation code for USB-audio
descriptors, the check of overflow in each descriptor unit parser
became superfluous.  Drop some of the obvious cases.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-22 10:36:00 +02:00
Takashi Iwai
52c3e317a8 ALSA: usb-audio: Unify the release of usb_mixer_elem_info objects
Instead of the direct kfree() calls, introduce a new local helper to
release the usb_mixer_elem_info object.  This will be extended to do
more than a single kfree() in the later patches.

Also, use the standard goto instead of multiple calls in
parse_audio_selector_unit() error paths.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-22 10:36:00 +02:00
Takashi Iwai
68e9fde245 ALSA: usb-audio: Simplify parse_audio_unit()
Minor code refactoring by combining the UAC version and the type in
the switch-case flow, so that we reduce the indentation and
redundancy.  One good bonus is that the duplicated definition of the
same type value (e.g. UAC2_EFFECT_UNIT) can be handled more cleanly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-22 10:35:59 +02:00
Takashi Iwai
57f8770620 ALSA: usb-audio: More validations of descriptor units
Introduce a new helper to validate each audio descriptor unit before
and check the unit before actually accessing it.  This should harden
against the OOB access cases with malformed descriptors that have been
recently frequently reported by fuzzers.

The existing descriptor checks are still kept although they become
superfluous after this patch.  They'll be cleaned up eventually
later.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-22 10:35:59 +02:00
Takashi Iwai
f9f0e9ed35 ALSA: usb-audio: Check mixer unit bitmap yet more strictly
The bmControls (for UAC1) or bmMixerControls (for UAC2/3) bitmap has a
variable size depending on both input and output pins.  Its size is to
fit with input * output bits.  The problem is that the input size
can't be determined simply from the unit descriptor itself but it
needs to parse the whole connected sources.  Although the
uac_mixer_unit_get_channels() tries to check some possible overflow of
this bitmap, it's incomplete due to the lack of the  evaluation of
input pins.

For covering possible overflows, this patch adds the bitmap overflow
check in the loop of input pins in parse_audio_mixer_unit().

Fixes: 0bfe5e434e ("ALSA: usb-audio: Check mixer unit descriptors more strictly")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-22 10:33:12 +02:00
Takashi Iwai
1bc8d18c75 ALSA: line6: Fix memory leak at line6_init_pcm() error path
I forgot to release the allocated object at the early error path in
line6_init_pcm().  For addressing it, slightly shuffle the code so
that the PCM destructor (pcm->private_free) is assigned properly
before all error paths.

Fixes: 3450121997 ("ALSA: line6: Fix write on zero-sized buffer")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-21 20:00:02 +02:00
Takashi Iwai
6de3c9e3f6 ALSA: usb-audio: Fix invalid NULL check in snd_emuusb_set_samplerate()
The quirk function snd_emuusb_set_samplerate() has a NULL check for
the mixer element, but this is useless in the current code.  It used
to be a check against mixer->id_elems[unitid] but it was changed later
to the value after mixer_eleme_list_to_info() which is always non-NULL
due to the container_of() usage.

This patch fixes the check before the conversion.

While we're at it, correct a typo in the comment in the function,
too.

Fixes: 8c558076c7 ("ALSA: usb-audio: Clean up mixer element list traverse")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-21 08:19:30 +02:00
Takashi Iwai
1a15718b41 ALSA: usb-audio: Add implicit fb quirk for Behringer UFX1604
Behringer UFX1604 requires the similar quirk to apply implicit fb like
another Behringer model UFX1204 in order to fix the noisy playback.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204631
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-20 08:58:12 +02:00
Hui Peng
19bce474c4 ALSA: usb-audio: Fix a stack buffer overflow bug in check_input_term
`check_input_term` recursively calls itself with input from
device side (e.g., uac_input_terminal_descriptor.bCSourceID)
as argument (id). In `check_input_term`, if `check_input_term`
is called with the same `id` argument as the caller, it triggers
endless recursive call, resulting kernel space stack overflow.

This patch fixes the bug by adding a bitmap to `struct mixer_build`
to keep track of the checked ids and stop the execution if some id
has been checked (similar to how parse_audio_unit handles unitid
argument).

Reported-by: Hui Peng <benquike@gmail.com>
Reported-by: Mathias Payer <mathias.payer@nebelwelt.net>
Signed-off-by: Hui Peng <benquike@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-15 21:48:52 +02:00
Hui Peng
daac07156b ALSA: usb-audio: Fix an OOB bug in parse_audio_mixer_unit
The `uac_mixer_unit_descriptor` shown as below is read from the
device side. In `parse_audio_mixer_unit`, `baSourceID` field is
accessed from index 0 to `bNrInPins` - 1, the current implementation
assumes that descriptor is always valid (the length  of descriptor
is no shorter than 5 + `bNrInPins`). If a descriptor read from
the device side is invalid, it may trigger out-of-bound memory
access.

```
struct uac_mixer_unit_descriptor {
	__u8 bLength;
	__u8 bDescriptorType;
	__u8 bDescriptorSubtype;
	__u8 bUnitID;
	__u8 bNrInPins;
	__u8 baSourceID[];
}
```

This patch fixes the bug by add a sanity check on the length of
the descriptor.

Reported-by: Hui Peng <benquike@gmail.com>
Reported-by: Mathias Payer <mathias.payer@nebelwelt.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Hui Peng <benquike@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-14 20:05:56 +02:00
Wenwen Wang
3d92aa45fb ALSA: hiface: fix multiple memory leak bugs
In hiface_pcm_init(), 'rt' is firstly allocated through kzalloc(). Later
on, hiface_pcm_init_urb() is invoked to initialize 'rt->out_urbs[i]'. In
hiface_pcm_init_urb(), 'rt->out_urbs[i].buffer' is allocated through
kzalloc().  However, if hiface_pcm_init_urb() fails, both 'rt' and
'rt->out_urbs[i].buffer' are not deallocated, leading to memory leak bugs.
Also, 'rt->out_urbs[i].buffer' is not deallocated if snd_pcm_new() fails.

To fix the above issues, free 'rt' and 'rt->out_urbs[i].buffer'.

Fixes: a91c3fb2f8 ("Add M2Tech hiFace USB-SPDIF driver")
Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-07 12:20:00 +02:00
Ard van Breemen
118b2806a0 ALSA: usb-audio: Add Pioneer DDJ-SX3 PCM quirck
The Pioneer DDJ-SX3 is a plain 12 32bit channel out and 10 channel in
PCM/midi controller. The PCM part is "vendor specific".
It needs the "ignore invalid bsynchaddress" patch as it uses 0 for that.

Signed-off-by: Ard van Breemen <ard@kwaak.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-06 12:52:36 +02:00
Ard van Breemen
1b34121d9f ALSA: usb-audio: Skip bSynchAddress endpoint check if it is invalid
The Linux kernel assumes that get_endpoint(alts,0) and
get_endpoint(alts,1) are eachothers feedback endpoints.
To reassure that validity it will test bsynchaddress to comply with that
assumption. But if the bsyncaddress is 0 (invalid), it will flag that as
a wrong assumption and return an error.
Fix: Skip the test if bSynchAddress is 0.
Note: those with a valid bSynchAddress should have a code quirck added.

Signed-off-by: Ard van Breemen <ard@kwaak.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-06 12:52:15 +02:00
Alexander Tsoy
f7f5301814 ALSA: usb-audio: fix PCM device order
Some cards have alternate setting with non-PCM format as the first
altsetting in the interface descriptors. This confuses userspace, since
alsa-lib uses device 0 by default. So lets parse interfaces in two steps:
 1. Parse altsettings with PCM formats.
 2. Parse altsettings with non-PCM formats.

This fixes at least following cards:
 - Audinst HUD-mx2
 - Audinst HUD-mini

[ Adapted to 5.3 kernel by tiwai ]

Signed-off-by: Alexander Tsoy <alexander@tsoy.me>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-06 12:48:10 +02:00
Takashi Iwai
c1ae5e7f05 ALSA: usb-audio: Unify audioformat release code
There are many open code for releasing audioformat object.
Provide a unified helper and call it from the all places.

Only a cleanup, no functional changes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-06 12:47:52 +02:00
Takashi Iwai
dae02c8c64 Merge branch 'for-linus' into for-next
Pull 5.3 development branch for further fixes of USB-audio stuff.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-06 12:46:35 +02:00
Wenwen Wang
a67060201b ALSA: usb-audio: fix a memory leak bug
In snd_usb_get_audioformat_uac3(), a structure for channel maps 'chmap' is
allocated through kzalloc() before the execution goto 'found_clock'.
However, this structure is not deallocated if the memory allocation for
'pd' fails, leading to a memory leak bug.

To fix the above issue, free 'fp->chmap' before returning NULL.

Fixes: 7edf3b5e6a ("ALSA: usb-audio: AudioStreaming Power Domain parsing")
Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-06 12:44:44 +02:00
Hillf Danton
5d78e1c2b7 ALSA: usb-audio: Fix gpf in snd_usb_pipe_sanity_check
syzbot found the following crash on:

  general protection fault: 0000 [#1] SMP KASAN
  RIP: 0010:snd_usb_pipe_sanity_check+0x80/0x130 sound/usb/helper.c:75
  Call Trace:
    snd_usb_motu_microbookii_communicate.constprop.0+0xa0/0x2fb  sound/usb/quirks.c:1007
    snd_usb_motu_microbookii_boot_quirk sound/usb/quirks.c:1051 [inline]
    snd_usb_apply_boot_quirk.cold+0x163/0x370 sound/usb/quirks.c:1280
    usb_audio_probe+0x2ec/0x2010 sound/usb/card.c:576
    usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361
    really_probe+0x281/0x650 drivers/base/dd.c:548
    ....

It was introduced in commit 801ebf1043 for checking pipe and endpoint
types. It is fixed by adding a check of the ep pointer in question.

BugLink: https://syzkaller.appspot.com/bug?extid=d59c4387bfb6eced94e2
Reported-by: syzbot <syzbot+d59c4387bfb6eced94e2@syzkaller.appspotmail.com>
Fixes: 801ebf1043 ("ALSA: usb-audio: Sanity checks for each pipe and EP types")
Cc: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Hillf Danton <hdanton@sina.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-30 12:32:21 +02:00
Geoffrey D. Bennett
9e4d5c1be2 ALSA: usb-audio: Scarlett Gen 2 mixer interface
Add mixer quirk for the Focusrite Scarlett 6i6, 18i8, and 18i20 Gen 2
audio interfaces. Although the interfaces are USB compliant,
additional input/output level controls and hardware routing/mixing
functionality are available using proprietary USB requests.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-28 17:47:48 +02:00
Pavel Machek
a30f1743e4 ALSA: line6: sizeof (byte) is always 1, use that fact.
sizeof (byte) is always 1, use that fact and make interesting code explicit.

Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-24 15:03:50 +02:00
Christophe JAILLET
e4091bdd2f ALSA: line6: Fix a typo
s/Vairax/Variax/

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 09:10:54 +02:00
Kai-Heng Feng
70256b42ca ALSA: line6: Fix wrong altsetting for LINE6_PODHD500_1
Commit 7b9584fa1c ("staging: line6: Move altsetting to properties")
set a wrong altsetting for LINE6_PODHD500_1 during refactoring.

Set the correct altsetting number to fix the issue.

BugLink: https://bugs.launchpad.net/bugs/1790595
Fixes: 7b9584fa1c ("staging: line6: Move altsetting to properties")
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-18 14:03:29 +02:00
Takashi Iwai
3c53c6255d ASoC: Updates for v5.3
This is a very big update, mainly thanks to Morimoto-san's refactoring
 work and some fairly large new drivers.
 
  - Lots more work on moving towards a component based framework from
    Morimoto-san.
  - Support for force disconnecting muxes from Jerome Brunet.
  - New drivers for Cirrus Logic CS47L35, CS47L85 and CS47L90, Conexant
    CX2072X, Realtek RT1011 and RT1308.
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Merge tag 'asoc-v5.3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v5.3

This is a very big update, mainly thanks to Morimoto-san's refactoring
work and some fairly large new drivers.

 - Lots more work on moving towards a component based framework from
   Morimoto-san.
 - Support for force disconnecting muxes from Jerome Brunet.
 - New drivers for Cirrus Logic CS47L35, CS47L85 and CS47L90, Conexant
   CX2072X, Realtek RT1011 and RT1308.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08 14:45:34 +02:00
Takashi Iwai
b89b889a32 Merge branch 'topic/hda-refresh-cleanup' into for-next
Merge a cleanup for HD-audio widget refresh code

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07 11:29:30 +02:00
Nicola Lunghi
d4bd305326 ALSA: usb-audio: fix Line6 Helix audio format rates
Line6 Helix and HX stomp devices don't support retrieving
the number of clock sample rate.

Add a quirk to set it to 48Khz by default.

[ fixed wrong variable initialization changes by tiwai ]

Signed-off-by: Nicola Lunghi <nick83ola@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07 11:27:32 +02:00
Takashi Iwai
ca95c7bf3d ALSA: usb-audio: Fix parse of UAC2 Extension Units
Extension Unit (XU) is used to have a compatible layout with
Processing Unit (PU) on UAC1, and the usb-audio driver code assumed it
for parsing the descriptors.  Meanwhile, on UAC2, XU became slightly
incompatible with PU; namely, XU has a one-byte bmControls bitmap
while PU has two bytes bmControls bitmap.  This incompatibility
results in the read of a wrong address for the last iExtension field,
which ended up with an incorrect string for the mixer element name, as
recently reported for Focusrite Scarlett 18i20 device.

This patch corrects this misalignment by introducing a couple of new
macros and calling them depending on the descriptor type.

Fixes: 23caaf19b1 ("ALSA: usb-mixer: Add support for Audio Class v2.0")
Reported-by: Stefan Sauer <ensonic@hora-obscura.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-05 08:06:47 +02:00
Takashi Iwai
3450121997 ALSA: line6: Fix write on zero-sized buffer
LINE6 drivers allocate the buffers based on the value returned from
usb_maxpacket() calls.  The manipulated device may return zero for
this, and this results in the kmalloc() with zero size (and it may
succeed) while the other part of the driver code writes the packet
data with the fixed size -- which eventually overwrites.

This patch adds a simple sanity check for the invalid buffer size for
avoiding that problem.

Reported-by: syzbot+219f00fb49874dcaea17@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-02 20:11:22 +02:00
Takashi Iwai
b5c21c8470 Merge branch 'for-linus' into for-next
This back-merge is necessary for adjusting the latest FireWire fix
with the recent refactoring in 5.3 development branch.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-01 17:01:55 +02:00
Colin Ian King
2acf5a3e6e ALSA: usb-audio: fix sign unintended sign extension on left shifts
There are a couple of left shifts of unsigned 8 bit values that
first get promoted to signed ints and hence get sign extended
on the shift if the top bit of the 8 bit values are set. Fix
this by casting the 8 bit values to unsigned ints to stop the
unintentional sign extension.

Addresses-Coverity: ("Unintended sign extension")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-28 10:37:34 +02:00