Replace the manual mutex lock/unlock pairs with guard().
Also, introduce the guard() for coef_mutex_lock() and _unlock() pairs,
and replace accordingly, too. The coef_mutex_lock() and *_unlock()
are moved to readtek.h as static inline functions along with it.
Only code refactoring, and no behavior change.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250827072916.31933-12-tiwai@suse.de
There are temporary DSP locking/unlocking patterns found in various
places, and those can be cleaned up nicely with the guard() macro
calling snd_hdac_dsp_lock() and *_unlock().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250827072916.31933-7-tiwai@suse.de
The new macro CLASS(snd_hda_power_pm) can replace the manual
snd_hda_power_up_pm() and _down() calls gracefully.
A part of the code in codec_exec_verb() is factored out to a function,
so that the auto-cleanup can be well scoped.
Merely cleanups and no functional changes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250827072916.31933-6-tiwai@suse.de
The new macro CLASS(snd_hda_power_pm) can replace the manual
snd_hda_power_up_pm() and _down() calls gracefully.
Merely code cleanups and no functional changes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250827072916.31933-5-tiwai@suse.de
The new macro CLASS(snd_hda_power_pm) can replace the manual
snd_hda_power_up_pm() and _down() calls gracefully.
Merely code cleanups and no functional changes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250827072916.31933-4-tiwai@suse.de
The new macro CLASS(snd_hda_power) can replace the manual
snd_hda_power_up() and _down() calls as well as the *_pm_*() variants
gracefully.
Merely code cleanups and no functional changes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250827072916.31933-3-tiwai@suse.de
The temporary power up/down of the codec via snd_hda_power_up() and
_down() (or snd_hda_power_up_pm() and _down_pm()) is seen in various
places. This patch introduces simple auto-cleanup macros for those
call patterns, so that the drivers don't have to call the
corresponding power-down calls explicitly.
Namely,
err = snd_hda_power_up(codec);
if (err < 0)
return err;
....
snd_power_down(codec);
can drop the *_down() call by replacing with
CLASS(snd_hda_power, pm)(codec);
if (pm.err < 0)
return pm.err;
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250827072916.31933-2-tiwai@suse.de
Change the 'ret' variable from u16 to int to store negative error codes or
zero returned by lx_message_send_atomic().
Storing the negative error codes in unsigned type, doesn't cause an issue
at runtime but it's ugly as pants. Additionally, assigning negative error
codes to unsigned type may trigger a GCC warning when the -Wsign-conversion
flag is enabled.
No effect on runtime.
Fixes: 02bec49045 ("ALSA: lx6464es - driver for the digigram lx6464es interface")
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Link: https://patch.msgid.link/20250828081312.393148-1-rongqianfeng@vivo.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Add a handshake value of 0x32, which is required when the device
was previously used by another OS with the official drivers.
Correct the last byte of the MIDI output protocol to 0xe0.
Also, remove the unused DRIVER_VERSION macro.
Signed-off-by: Šerif Rami <ramiserifpersia@gmail.com>
Link: https://patch.msgid.link/20250825072557.7670-1-ramiserifpersia@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Remove 0/NULL global variable assignment in mixer-test.c and pcm-test.c
Signed-off-by: Nikola Z. Ivanov <zlatistiv@gmail.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://patch.msgid.link/20250821200132.1218850-1-zlatistiv@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Just add fixed struct size validations for UAC2 and UAC3 effect
units. The descriptor has a variable-length array, so it should be
validated with a proper function later once when the unit is really
parsed and used by the driver (currently only referred partially for
the input terminal parsing).
Link: https://patch.msgid.link/20250821151751.12100-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The entry of the validators table for UAC3 feature unit is defined
with a wrong sub-type UAC_FEATURE (= 0x06) while it should have been
UAC3_FEATURE (= 0x07). This patch corrects the entry value.
Fixes: 57f8770620 ("ALSA: usb-audio: More validations of descriptor units")
Link: https://patch.msgid.link/20250821150835.8894-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
A few fixes that came in during the past week, there's some updates for
the CS35L56 which adjust the driver for production silicon and a fix for
buggy resume of the ES9389.
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Merge tag 'asoc-fix-v6.17-rc2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.17
A few fixes that came in during the past week, there's some updates for
the CS35L56 which adjust the driver for production silicon and a fix for
buggy resume of the ES9389.
Merge series from Stefan Binding <sbinding@opensource.cirrus.com>:
Production silicon for CS36L63 has some small differences compared to
pre-production silicon. This requires small fixes in driver.
Update firmware addresses, tuning algorithm IDs and remove soundwire
clock workaround as no longer necessary.
No product was ever released using pre-production silicon, therefore
there is no need to keep support for it.
Production silicon for CS36L63 has some small differences compared to
pre-production silicon. Remove soundwire clock workaround as no
longer necessary. We don't want to do tricks with low-level clocking
controls if we don't need to.
Fixes: 978858791c ("ASoC: cs35l56: Add initial support for CS35L63 for I2C and SoundWire")
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://patch.msgid.link/20250820142209.127575-4-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
CS35L63 uses different algorithm IDs from CS35L56.
Add a new mechanism to handle different alg IDs between parts in the
CS35L56 driver.
Fixes: 978858791c ("ASoC: cs35l56: Add initial support for CS35L63 for I2C and SoundWire")
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://patch.msgid.link/20250820142209.127575-3-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Production silicon for CS36L63 has some small differences compared to
pre-production silicon. Update firmware addresses, which are different.
No product was ever released with pre-production silicon so there is no
need for the driver to include support for it.
Fixes: 978858791c ("ASoC: cs35l56: Add initial support for CS35L63 for I2C and SoundWire")
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://patch.msgid.link/20250820142209.127575-2-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
During the conversion to unify the calibration data management, the
reference to tasdevice_priv was wrongly set to h->hda_priv instead of
h->priv. This resulted in memory corruption and crashes eventually.
Unfortunately it's a void pointer, hence the compiler couldn't know
that it's wrong.
Fixes: 4fe2385134 ("ALSA: hda/tas2781: Move and unified the calibrated-data getting function for SPI and I2C into the tas2781_hda lib")
Link: https://bugzilla.suse.com/show_bug.cgi?id=1248270
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20250820051902.4523-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The smatch tool reported a potential null pointer dereference in
tascam_midi_in_urb_complete(). The 'tascam' variable, derived from
'urb->context', was checked for nullity in one place, but dereferenced
without a check in several other places.
This patch fixes the issue by adding a null check at the beginning of
the function. If 'tascam' is null, the function now safely exits.
This prevents any potential crashes from null pointer dereferences.
It also fixes a latent bug where 'usb_put_urb()' could
be called twice for the same URB on submission failure, which would
lead to a use-after-free error.
Fixes: 67afec157f ("ALSA: usb-audio: us144mkii: Add MIDI support and mixer controls")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202508192109.lcMrINK1-lkp@intel.com/
Signed-off-by: Šerif Rami <ramiserifpersia@gmail.com>
Link: https://patch.msgid.link/20250819185133.10464-1-ramiserifpersia@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The `us144mkii.c` driver was generating sparse warnings due to direct
comparisons of `dev->descriptor.idProduct` (a `__le16` type) with
integer constants. This commit resolves these warnings by explicitly
converting `idProduct` to a CPU-endian integer using `le16_to_cpu()`
before comparison.
This ensures correct handling of endianness and eliminates the sparse
warnings:
- `restricted __le16 degrades to integer`
Fixes: dee1bcf28a ("ALSA: usb-audio: Add initial driver for TASCAM US-144MKII")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202508190811.tjQJZI1X-lkp@intel.com/
Signed-off-by: Šerif Rami <ramiserifpersia@gmail.com>
Link: https://patch.msgid.link/20250819075118.9221-1-ramiserifpersia@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Add a PCI quirk to enable microphone input on the headphone jack on
the ASUS Zenbook 14 UM3406HA laptop.
This model uses an ALC294 codec with CS35L41 amplifiers over I2C,
and the existing fixup for it did not enable the headset microphone.
A new fix is introduced to get the mic working while keeping the
amplifier settings correct.
Fixes: 61cbc08fdb ("ALSA: hda/realtek: Add quirks for ASUS 2024 Zenbooks")
Signed-off-by: Vasiliy Kovalev <kovalev@altlinux.org>
Link: https://patch.msgid.link/20250818204243.247297-1-kovalev@altlinux.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The "p" pointer is void so sizeof(*p) is 1. The intent was to check
sizeof(*cs_desc), which is 3, instead.
Fixes: ecfd41166b ("ALSA: usb-audio: Validate UAC3 cluster segment descriptors")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/aKL5kftC1qGt6lpv@stanley.mountain
Signed-off-by: Takashi Iwai <tiwai@suse.de>
With some new devices adding into the driver, dvc_tlv and amp_vol_tlv will
cause confusion for customers on which devices they support.
Fixes: 5be27f1e3e ("ALSA: hda/tas2781: Add tas2781 HDA driver")
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Link: https://patch.msgid.link/20250816042741.1659-1-shenghao-ding@ti.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
a fallback during cpuid helpers reorg
- Initialize reserved fields in the SVSM page validation calls structure
to zero in order to allow for future structure extensions
- Have the sev-guest driver's buffers used in encryption operations be
in linear mapping space as the encryption operation can be offloaded
to an accelerator
- Have a read-only MSR write when in an AMD SNP guest trap to the
hypervisor as it is usually done. This makes the guest user experience
better by simply raising a #GP instead of terminating said guest
- Do not output AVX512 elapsed time for kernel threads because the data
is wrong and fix a NULL pointer dereferencing in the process
- Adjust the SRSO mitigation selection to the new attack vectors
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Merge tag 'x86_urgent_for_v6.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Remove a transitional asm/cpuid.h header which was added only as a
fallback during cpuid helpers reorg
- Initialize reserved fields in the SVSM page validation calls
structure to zero in order to allow for future structure extensions
- Have the sev-guest driver's buffers used in encryption operations be
in linear mapping space as the encryption operation can be offloaded
to an accelerator
- Have a read-only MSR write when in an AMD SNP guest trap to the
hypervisor as it is usually done. This makes the guest user
experience better by simply raising a #GP instead of terminating said
guest
- Do not output AVX512 elapsed time for kernel threads because the data
is wrong and fix a NULL pointer dereferencing in the process
- Adjust the SRSO mitigation selection to the new attack vectors
* tag 'x86_urgent_for_v6.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpuid: Remove transitional <asm/cpuid.h> header
x86/sev: Ensure SVSM reserved fields in a page validation entry are initialized to zero
virt: sev-guest: Satisfy linear mapping requirement in get_derived_key()
x86/sev: Improve handling of writes to intercepted TSC MSRs
x86/fpu: Fix NULL dereference in avx512_status()
x86/bugs: Select best SRSO mitigation
type of task so that they don't trigger falsely
- Use the write unsafe user access pairs when writing a futex value to prevent
an error on PowerPC which does user read and write accesses differently
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Merge tag 'locking_urgent_for_v6.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Borislav Petkov:
- Make sure sanity checks down in the mutex lock path happen on the
correct type of task so that they don't trigger falsely
- Use the write unsafe user access pairs when writing a futex value to
prevent an error on PowerPC which does user read and write accesses
differently
* tag 'locking_urgent_for_v6.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking: Fix __clear_task_blocked_on() warning from __ww_mutex_wound() path
futex: Use user_write_access_begin/_end() in futex_put_value()
Toolchain and infrastructure:
- Workaround 'rustdoc' target modifiers bug in Rust >= 1.88.0. It will
be fixed in Rust 1.90.0 (expected 2025-09-18).
- Clean 'rustdoc' output before running it to avoid confusing the tool
when files from previous versions remain.
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Merge tag 'rust-fixes-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull rust fixes from Miguel Ojeda:
- Workaround 'rustdoc' target modifiers bug in Rust >= 1.88.0. It will
be fixed in Rust 1.90.0 (expected 2025-09-18).
- Clean 'rustdoc' output before running it to avoid confusing the tool
when files from previous versions remain.
* tag 'rust-fixes-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
rust: kbuild: clean output before running `rustdoc`
rust: workaround `rustdoc` target modifiers bug
- Fix a regression affecting old IDE/PATA device scan and introduced by
the recent link power management cleanups & fixes. The regression
prevented devices from being properly detected (me).
- Fix command duration limits (CDL) feature control: attempting to
enable the feature while NCQ commands are being executed resulted in
a silent failure to enable CDL when needed (Igor).
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Merge tag 'ata-ata-6.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Damien Le Moal:
- Fix a regression affecting old IDE/PATA device scan and introduced by
the recent link power management cleanups & fixes. The regression
prevented devices from being properly detected (me)
- Fix command duration limits (CDL) feature control: attempting to
enable the feature while NCQ commands are being executed resulted in
a silent failure to enable CDL when needed (Igor)
* tag 'ata-ata-6.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata-scsi: Fix CDL control
ata: libata-eh: Fix link state check for IDE/PATA ports
One core change removing the 'w' access flag of attributes that don't
have a set routine (and therefore can't be written to) which should
have no practical impact. The big scsi_debug update is caused by
reformatting lots of arrays and the rest of the bug fixes in drivers
are trivial.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"One core change removing the 'w' access flag of attributes that don't
have a set routine (and therefore can't be written to) which should
have no practical impact. The big scsi_debug update is caused by
reformatting lots of arrays and the rest of the bug fixes in drivers
are trivial"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Remove error print for devm_add_action_or_reset()
scsi: ufs: mediatek: Fix out-of-bounds access in MCQ IRQ mapping
scsi: lpfc: Remove redundant assignment to avoid memory leak
scsi: lpfc: Fix wrong function reference in a comment
scsi: ufs: core: Fix interrupt handling for MCQ Mode
scsi: scsi_debug: Make read-only arrays static const
scsi: core: sysfs: Correct sysfs attributes access rights
bridge:
- fix OF-node leak
- fix documentation
fbdev-emulation:
- pass correct format info to drm_helper_mode_fill_fb_struct()
panfrost:
- print correct RSS size
amdgpu:
- PSP fix
- VRAM reservation fix
- CSA fix
- Process kill fix
i915:
- Fix the implementation of wa_18038517565 [fbc]
- Do not trigger Frame Change events from frontbuffer flush [psr]
xe:
- Some more xe_migrate_access_memory fixes (Auld)
- Defer buffer object shrinker write-backs and GPU waits (Thomas)
- HWMON fix for clamping limits (Karthik)
- SRIOV-PF: Set VF LMEM BAR size (Michal)
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Merge tag 'drm-fixes-2025-08-16' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Relatively quiet week, usual amdgpu/i915/xe fixes along with a set of
fixes for fbdev format info, which fix some regressions seen in with
rc1.
bridge:
- fix OF-node leak
- fix documentation
fbdev-emulation:
- pass correct format info to drm_helper_mode_fill_fb_struct()
panfrost:
- print correct RSS size
amdgpu:
- PSP fix
- VRAM reservation fix
- CSA fix
- Process kill fix
i915:
- Fix the implementation of wa_18038517565 [fbc]
- Do not trigger Frame Change events from frontbuffer flush [psr]
xe:
- Some more xe_migrate_access_memory fixes (Auld)
- Defer buffer object shrinker write-backs and GPU waits (Thomas)
- HWMON fix for clamping limits (Karthik)
- SRIOV-PF: Set VF LMEM BAR size (Michal)"
* tag 'drm-fixes-2025-08-16' of https://gitlab.freedesktop.org/drm/kernel:
drm/xe/pf: Set VF LMEM BAR size
drm/amdgpu: fix task hang from failed job submission during process kill
drm/amdgpu: fix incorrect vm flags to map bo
drm/amdgpu: fix vram reservation issue
drm/amdgpu: Add PSP fw version check for fw reserve GFX command
drm/xe/hwmon: Add SW clamp for power limits writes
drm/xe: Defer buffer object shrinker write-backs and GPU waits
drm/xe/migrate: prevent potential UAF
drm/xe/migrate: don't overflow max copy size
drm/xe/migrate: prevent infinite recursion
drm/i915/psr: Do not trigger Frame Change events from frontbuffer flush
drm/i915/fbc: fix the implementation of wa_18038517565
drm/panfrost: Print RSS for tiler heap BO's in debugfs GEMS file
drm/radeon: Pass along the format info from .fb_create() to drm_helper_mode_fill_fb_struct()
drm/nouveau: Pass along the format info from .fb_create() to drm_helper_mode_fill_fb_struct()
drm/omap: Pass along the format info from .fb_create() to drm_helper_mode_fill_fb_struct()
drm/bridge: document HDMI CEC callbacks
drm/bridge: Describe the newly introduced drm_connector parameter for drm_bridge_detect
drm/bridge: fix OF node leak
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-fixes-6.17-rc2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Carlos Maiolino:
- Fix an assert trigger introduced during the merge window
- Prevent atomic writes to be used with DAX
- Prevent users from using the max_atomic_write mount option without
reflink, as atomic writes > 1block are not supported without reflink
- Fix a null-pointer-deref in a tracepoint
* tag 'xfs-fixes-6.17-rc2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: split xfs_zone_record_blocks
xfs: fix scrub trace with null pointer in quotacheck
xfs: reject max_atomic_write mount option for no reflink
xfs: disallow atomic writes on DAX
fs/dax: Reject IOCB_ATOMIC in dax_iomap_rw()
xfs: remove XFS_IBULK_SAME_AG
xfs: fully decouple XFS_IBULK* flags from XFS_IWALK* flags
xfs: fix frozen file system assert in xfs_trans_alloc
The HP EliteBook x360 830 G6 and HP EliteBook 830 G6 have
Realtek HDA codec ALC215. It needs the ALC285_FIXUP_HP_GPIO_LED
quirk to enable the mute LED.
Cc: <stable@vger.kernel.org>
Signed-off-by: Evgeniy Harchenko <evgeniyharchenko.dev@gmail.com>
Link: https://patch.msgid.link/20250815095814.75845-1-evgeniyharchenko.dev@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit adds Kconfig and Makefile entries for TASCAM US-144MKII
USB audio/MIDI interface support. It includes the configuration option
and links new driver files.
The Kconfig entry for US-144MKII is added. The Makefile is updated to
compile new driver components.
The US-122L driver's device ID table is adjusted to remove the US-144MKII
entry, as it will now be handled by its dedicated driver.
Signed-off-by: Šerif Rami <ramiserifpersia@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250814172222.9448-8-ramiserifpersia@gmail.com
This patch adds the remaining features to the driver: MIDI I/O and
ALSA mixer controls.
A raw MIDI device is created, supporting one input and one output port.
The implementation handles the device-specific 9-byte packet format for
both sending and receiving MIDI data, using bulk URBs and workqueues for
processing.
ALSA kcontrols are added to the mixer interface, allowing user-space
control over the audio routing matrix (e.g., selecting analog/digital
sources for capture channels, and routing playback streams to different
outputs). A read-only control to display the current sample rate is
also included.
Finally, the stub routing functions are replaced with the full logic
to apply the user-selected mixer settings to the audio streams.
With this commit, the driver is feature-complete.
Signed-off-by: Šerif Rami <ramiserifpersia@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250814172222.9448-6-ramiserifpersia@gmail.com
This patch adds the full audio capture data path. It allocates and
manages bulk URBs to receive audio data from the device.
The incoming data is in a custom multiplexed format. A workqueue is
used to offload the decoding process from the interrupt context. The
`capture_urb_complete` handler copies raw data into a ring buffer and
schedules the work. The `tascam_capture_work_handler` then reads from
this buffer, decodes the data into standard S32_LE samples, and copies
it to the ALSA capture buffer.
The PCM trigger is updated to manage the submission of capture URBs,
and the feedback handler now also advances the capture stream pointer
to keep it synchronized with playback.
Signed-off-by: Šerif Rami <ramiserifpersia@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250814172222.9448-5-ramiserifpersia@gmail.com
This patch implements the full audio playback data path. It introduces
the allocation, submission, and completion handling for isochronous
playback and feedback URBs.
The feedback URB completion handler is the core of the driver's clocking
mechanism. It reads the number of samples consumed by the device and
uses a pattern-based algorithm to adjust the size of outgoing playback
packets. This keeps the host and device synchronized and prevents xruns.
The patch also adds the necessary vendor and UAC control messages to
configure the device's sample rate. The PCM trigger is updated to
start and stop the playback and feedback URBs. Basic suspend and resume
handlers are included to manage stream state across power cycles.
Signed-off-by: Šerif Rami <ramiserifpersia@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250814172222.9448-4-ramiserifpersia@gmail.com
This patch adds the ALSA PCM device infrastructure. It creates a new
PCM device with one playback and one capture stream.
The hardware capabilities (formats, rates, channels) are defined in
`tascam_pcm_hw`. The core PCM operations (`snd_pcm_ops`) for both
playback and capture are implemented, including open, close, hw_params,
prepare, and pointer callbacks.
The trigger callback is a stub for now. This commit allows user-space
applications to interact with the ALSA device, but no audio will be
streamed yet.
Signed-off-by: Šerif Rami <ramiserifpersia@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250814172222.9448-3-ramiserifpersia@gmail.com
This patch introduces a new driver for the TASCAM US-144MKII USB
audio/MIDI interface.
It includes the basic driver structure for probing and disconnecting from
the USB device. It correctly identifies the device using its VID/PID,
performs the necessary initial handshake, and sets the required USB
interface alternate settings to prepare the device for operation.
At this point, no ALSA devices (PCM or MIDI) are created. This commit
forms the foundational skeleton upon which audio and MIDI functionality
will be built.
Signed-off-by: Šerif Rami <ramiserifpersia@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250814172222.9448-2-ramiserifpersia@gmail.com
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Merge tag 'block-6.17-20250815' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- Fix for unprivileged daemons in ublk
- Speedup ublk release by removing unnecessary quiesce
- Fix for blk-wbt, where a regression caused it to not be possible to
enable at runtime
- blk-wbt cleanups
- Kill the page pool from drbd
- Remove redundant __GFP_NOWARN uses in a few spots
- Fix for a kobject double initialization issues
* tag 'block-6.17-20250815' of git://git.kernel.dk/linux:
block: restore default wbt enablement
Docs: admin-guide: Correct spelling mistake
blk-wbt: doc: Update the doc of the wbt_lat_usec interface
blk-wbt: Eliminate ambiguity in the comments of struct rq_wb
blk-wbt: Optimize wbt_done() for non-throttled writes
block: fix kobject double initialization in add_disk
blk-cgroup: remove redundant __GFP_NOWARN
block, bfq: remove redundant __GFP_NOWARN
ublk: check for unprivileged daemon on each I/O fetch
ublk: don't quiesce in ublk_ch_release
drbd: Remove the open-coded page pool
All CPUID call sites were updated at commit:
968e300068 ("x86/cpuid: Set <asm/cpuid/api.h> as the main CPUID header")
to include <asm/cpuid/api.h> instead of <asm/cpuid.h>.
The <asm/cpuid.h> header was still retained as a wrapper, just in case
some new code in -next started using it. Now that everything is merged
to Linus' tree, remove the header.
Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/20250815070227.19981-2-darwi@linutronix.de
Takashi Iwai
Qianfeng Rong
Šerif Rami
Nikola Z. Ivanov
Dewei Meng
Mark Brown
Stefan Binding
Richard Fitzgerald
Kailang Yang
Vasiliy Kovalev
Zhang Yi
Dan Carpenter
Shenghao Ding
Linus Torvalds
Evgeniy Harchenko
Ahmed S. Darwish