ASoC: SOF: Intel: hda: Fix UAF when reloading module

hda_generic_machine_select() appends -idisp to the tplg filename by
allocating a new string with devm_kasprintf(), then stores the string
right b

ASoC: SOF: Intel: hda: Fix UAF when reloading module

hda_generic_machine_select() appends -idisp to the tplg filename by
allocating a new string with devm_kasprintf(), then stores the string
right back into the global variable snd_soc_acpi_intel_hda_machines.
When the module is unloaded, this memory is freed, resulting in a global
variable pointing to freed memory. Reloading the module then triggers
a use-after-free:

BUG: KFENCE: use-after-free read in string+0x48/0xe0

Use-after-free read at 0x00000000967e0109 (in kfence-#99):
string+0x48/0xe0
vsnprintf+0x329/0x6e0
devm_kvasprintf+0x54/0xb0
devm_kasprintf+0x58/0x80
hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic]
sof_probe_work+0x7f/0x600 [snd_sof]
process_one_work+0x17b/0x330
worker_thread+0x2ce/0x3f0
kthread+0xcf/0x100
ret_from_fork+0x31/0x50
ret_from_fork_asm+0x1a/0x30

kfence-#99: 0x00000000198a940f-0x00000000ace47d9d, size=64, cache=kmalloc-64

allocated by task 333 on cpu 8 at 17.798069s (130.453553s ago):
devm_kmalloc+0x52/0x120
devm_kvasprintf+0x66/0xb0
devm_kasprintf+0x58/0x80
hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic]
sof_probe_work+0x7f/0x600 [snd_sof]
process_one_work+0x17b/0x330
worker_thread+0x2ce/0x3f0
kthread+0xcf/0x100
ret_from_fork+0x31/0x50
ret_from_fork_asm+0x1a/0x30

freed by task 1543 on cpu 4 at 141.586686s (6.665010s ago):
release_nodes+0x43/0xb0
devres_release_all+0x90/0xf0
device_unbind_cleanup+0xe/0x70
device_release_driver_internal+0x1c1/0x200
driver_detach+0x48/0x90
bus_remove_driver+0x6d/0xf0
pci_unregister_driver+0x42/0xb0
__do_sys_delete_module+0x1d1/0x310
do_syscall_64+0x82/0x190
entry_SYSCALL_64_after_hwframe+0x76/0x7e

Fix it by copying the match array with devm_kmemdup_array() before we
modify it.

Fixes: 5458411d7594 ("ASoC: SOF: Intel: hda: refactoring topology name fixup for HDA mach")
Suggested-by: Peter Ujfalusi <[email protected]>
Acked-by: Peter Ujfalusi <[email protected]>
Signed-off-by: Tavian Barnes <[email protected]>
Link: https://patch.msgid.link/570b15570b274520a0d9052f4e0f064a29c950ef.1747229716.git.tavianator@tavianator.com
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: hda/ptl: Move mic privacy change notification sending to a work

IPC message cannot be sent from the irq thread directly as the message will
not receive the reply (interrupts are disabled)

ASoC: SOF: hda/ptl: Move mic privacy change notification sending to a work

IPC message cannot be sent from the irq thread directly as the message will
not receive the reply (interrupts are disabled) and it will time out - the
reply is going to be received right after the we leave the irq thread.
This is a different case compared to the delayed IPC messages due to DSP
busy state.

Add support for sending the mic privacy change notification to the firmware
from a work instead of the process callback.

The work needs to be canceled if there is a chance that it might be running
on module remove or before system/runtime suspend.

Fixes: 4a43c3241ec3 ("ASoC: SOF: Intel: ptl: Add support for mic privacy")
Signed-off-by: Peter Ujfalusi <[email protected]>
Reviewed-by: Guennadi Liakhovetski <[email protected]>
Reviewed-by: Liam Girdwood <[email protected]>
Reviewed-by: Kai Vehmanen <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: hda/shim: Add callbacks to handle mic privacy change for sdw

Add generic callback definitions for checking the mic privacy interrupt and
status.
Implement wrappers for mic privacy reporte

ASoC: SOF: hda/shim: Add callbacks to handle mic privacy change for sdw

Add generic callback definitions for checking the mic privacy interrupt and
status.
Implement wrappers for mic privacy reported via the Soundwire interrupt and
its vendor specific SHIM registers.

Signed-off-by: Peter Ujfalusi <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Reviewed-by: Liam Girdwood <[email protected]>
Reviewed-by: Kai Vehmanen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: don't check number of sdw links when set dmic_fixup

Currently, we assume that the PCH DMIC pins are pin-muxed with SoundWire
links. However, we do see a HW design that use PCH DMIC

ASoC: SOF: Intel: don't check number of sdw links when set dmic_fixup

Currently, we assume that the PCH DMIC pins are pin-muxed with SoundWire
links. However, we do see a HW design that use PCH DMIC along with 3
SoundWire links. Remove the check now.
With this change the PCM DMIC will be presented if it is reported by the
BIOS irrespective of whether there are SDW links present or not.

Signed-off-by: Bard Liao <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Reviewed-by: Péter Ujfalusi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: hda-dai: Ensure DAI widget is valid during params

Each cpu DAI should associate with a widget. However, the topology might
not create the right number of DAI widgets for aggregated

ASoC: SOF: Intel: hda-dai: Ensure DAI widget is valid during params

Each cpu DAI should associate with a widget. However, the topology might
not create the right number of DAI widgets for aggregated amps. And it
will cause NULL pointer deference.
Check that the DAI widget associated with the CPU DAI is valid to prevent
NULL pointer deference due to missing DAI widgets in topologies with
aggregated amps.

Signed-off-by: Bard Liao <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Reviewed-by: Péter Ujfalusi <[email protected]>
Reviewed-by: Liam Girdwood <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

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module: Convert symbol namespace to string literal

Clean up the existing export namespace code along the same lines of
commit 33def8498fdd ("treewide: Convert macro and uses of __section(foo)
to __s

module: Convert symbol namespace to string literal

Clean up the existing export namespace code along the same lines of
commit 33def8498fdd ("treewide: Convert macro and uses of __section(foo)
to __section("foo")") and for the same reason, it is not desired for the
namespace argument to be a macro expansion itself.

Scripted using

git grep -l -e MODULE_IMPORT_NS -e EXPORT_SYMBOL_NS | while read file;
do
awk -i inplace '
/^#define EXPORT_SYMBOL_NS/ {
gsub(/__stringify\(ns\)/, "ns");
print;
next;
}
/^#define MODULE_IMPORT_NS/ {
gsub(/__stringify\(ns\)/, "ns");
print;
next;
}
/MODULE_IMPORT_NS/ {
$0 = gensub(/MODULE_IMPORT_NS\(([^)]*)\)/, "MODULE_IMPORT_NS(\"\\1\")", "g");
}
/EXPORT_SYMBOL_NS/ {
if ($0 ~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+),/) {
if ($0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/ &&
$0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(\)/ &&
$0 !~ /^my/) {
getline line;
gsub(/[[:space:]]*\\$/, "");
gsub(/[[:space:]]/, "", line);
$0 = $0 " " line;
}

$0 = gensub(/(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/,
"\\1(\\2, \"\\3\")", "g");
}
}
{ print }' $file;
done

Requested-by: Masahiro Yamada <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Link: https://mail.google.com/mail/u/2/#inbox/FMfcgzQXKWgMmjdFwwdsfgxzKpVHWPlc
Acked-by: Greg KH <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

show more ...

ASoC: SOF: Intel: hda: Add support for persistent Code Loader DMA buffers

It has been reported that the DMA memory allocation for firmware download
can fail after extended period of uptime on system

ASoC: SOF: Intel: hda: Add support for persistent Code Loader DMA buffers

It has been reported that the DMA memory allocation for firmware download
can fail after extended period of uptime on systems with relatively small
amount of RAM when the system memory becomes fragmented.

The issue primarily happens when the system is waking up from system
suspend, swap might not be available and the MM system cannot move things
around to allow for successful allocation.

If the IMR boot is not supported then for each DSP boot we would need to
allocate the DMA buffer for firmware transfer, which can increase the
chances of the issue to be hit.

This patch adds support for allocating the DMA buffers once at first boot
time and keep it until the system is shut down, rebooted or the drivers
re-loaded and makes this as the default operation.

With persistent_cl_buffer module parameter the persistent Code Loader
DMA buffer can be disabled to fall back to on demand allocation.

Signed-off-by: Peter Ujfalusi <[email protected]>
Reviewed-by: Bard Liao <[email protected]>
Reviewed-by: Liam Girdwood <[email protected]>
Reviewed-by: Kai Vehmanen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: hda: use machine_check() for SoundWire

Use the new machine_check() callback to select an alternate topology
for RT712-VB devices.

Signed-off-by: Pierre-Louis Bossart <pierre-louis

ASoC: SOF: Intel: hda: use machine_check() for SoundWire

Use the new machine_check() callback to select an alternate topology
for RT712-VB devices.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Péter Ujfalusi <[email protected]>
Signed-off-by: Bard Liao <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC/soundwire: remove sdw_slave_extended_id

This structure is used to copy information from the 'sdw_slave'
structures, it's better to create a flexible array of 'sdw_slave'
pointers and directly a

ASoC/soundwire: remove sdw_slave_extended_id

This structure is used to copy information from the 'sdw_slave'
structures, it's better to create a flexible array of 'sdw_slave'
pointers and directly access the information. This will also help
access additional information stored in the 'sdw_slave' structure,
such as an SDCA context.

This patch does not add new functionality, it only modified how the
information is retrieved.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Péter Ujfalusi <[email protected]>
Signed-off-by: Bard Liao <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC/SoundWire: Intel: lnl: enable interrupts after first power-up/before last power-down

The HDaudio mlink support makes it more logical to couple interrupt
enabling/disabling with power-up/down se

ASoC/SoundWire: Intel: lnl: enable interrupts after first power-up/before last power-down

The HDaudio mlink support makes it more logical to couple interrupt
enabling/disabling with power-up/down sequences.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Liam Girdwood <[email protected]>
Signed-off-by: Bard Liao <[email protected]>
Acked-by: Vinod Koul <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: hda: remove common_hdmi_codec_drv

Do not set common_hdmi_codec_drv in SOF platform driver since no
machine driver needs it. Remove member variable common_hdmi_codec_drv
from snd_so

ASoC: SOF: Intel: hda: remove common_hdmi_codec_drv

Do not set common_hdmi_codec_drv in SOF platform driver since no
machine driver needs it. Remove member variable common_hdmi_codec_drv
from snd_soc_acpi_mach_params structure.

Signed-off-by: Brent Lu <[email protected]>
Reviewed-by: Péter Ujfalusi <[email protected]>
Signed-off-by: Bard Liao <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: hda: support BT link mask in mach_params

Add an new variable bt_link_mask to snd_soc_acpi_mach_params structure.
SSP port mask of BT offload found in NHLT table will be sent to
mac

ASoC: SOF: Intel: hda: support BT link mask in mach_params

Add an new variable bt_link_mask to snd_soc_acpi_mach_params structure.
SSP port mask of BT offload found in NHLT table will be sent to
machine driver to setup BE dai link with correct SSP port number.

This patch only detects and enables the BT dailink. The functionality
will only be unlocked with a topology file that makes a reference to
that BT dailink. For backwards-compatibility reasons, this topology
will not be used by default. Chromebooks and Linux users willing to
experiment shall use the tplg_name kernel parameter to force the use
of an enhanced topology.

Signed-off-by: Brent Lu <[email protected]>
Reviewed-by: Pierre-Louis Bossart <[email protected]>
Signed-off-by: Bard Liao <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: hda: refactoring topology name fixup for SDW mach

Remove SDW mach's topology name fixup code and use the code in
hda_machine_select() to fixup its topology file name. No functional

ASoC: SOF: Intel: hda: refactoring topology name fixup for SDW mach

Remove SDW mach's topology name fixup code and use the code in
hda_machine_select() to fixup its topology file name. No functional
change in this commit.

Compared with I2S/HDA mach, SDW mach always fixup topology file name
with dmic num without using DMIC quirk flag and pass topology name
with file extension to SOF driver. Therefore, we add extra code to
remove file extension if it exists.

Signed-off-by: Brent Lu <[email protected]>
Reviewed-by: Pierre-Louis Bossart <[email protected]>
Signed-off-by: Bard Liao <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: hda: refactoring topology name fixup for HDA mach

Move I2S mach's topology name fixup code to the end of machine driver
enumeration flow so HDA mach could also use same code to fix

ASoC: SOF: Intel: hda: refactoring topology name fixup for HDA mach

Move I2S mach's topology name fixup code to the end of machine driver
enumeration flow so HDA mach could also use same code to fixup its
topology file name as well. No functional change in this commit.

Signed-off-by: Brent Lu <[email protected]>
Reviewed-by: Pierre-Louis Bossart <[email protected]>
Signed-off-by: Bard Liao <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

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ASoC: Intel: Fix RT5650 SSP lookup

Commit 8efcd4864652 ("ASoC: Intel: sof_rt5682: use common module for
sof_card_private initialization") migrated the pin assignment in the
context struct up to soc-

ASoC: Intel: Fix RT5650 SSP lookup

Commit 8efcd4864652 ("ASoC: Intel: sof_rt5682: use common module for
sof_card_private initialization") migrated the pin assignment in the
context struct up to soc-acpi-intel-ssp-common.c. This uses a lookup
table to see if a device has a amp/codec before assigning the pin. The
issue here arises when combination parts that serve both (with 2 ports)
are used.

sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:1f.3/adl_rt5682_def/SSP0-Codec'
CPU: 1 PID: 2079 Comm: udevd Tainted: G U 6.6.36-03391-g744739e00023 #1 3be1a2880a0970f65545a957db7d08ef4b3e2c0d
Hardware name: Google Anraggar/Anraggar, BIOS Google_Anraggar.15217.552.0 05/07/2024
Call Trace:
<TASK>
dump_stack_lvl+0x69/0xa0
sysfs_warn_dup+0x5b/0x70
sysfs_create_dir_ns+0xb0/0x100
kobject_add_internal+0x133/0x3c0
kobject_add+0x66/0xb0
? device_add+0x65/0x780
device_add+0x164/0x780
snd_soc_add_pcm_runtimes+0x2fa/0x800
snd_soc_bind_card+0x35e/0xc20
devm_snd_soc_register_card+0x48/0x90
platform_probe+0x7b/0xb0
really_probe+0xf7/0x2a0
...
kobject: kobject_add_internal failed for SSP0-Codec with -EEXIST, don't try to register things with the same name in the same directory.

The issue is that the ALC5650 was only defined in the codec table and
not the amp table which left the pin unassigned but the dai link was
still created by the machine driver.

Also patch the suffix filename code for the topology to prevent double
suffix names as a result of this change.

Fixes: 8efcd4864652 ("ASoC: Intel: sof_rt5682: use common module for sof_card_private initialization")
Reviewed-by: Bard Liao <[email protected]>
Signed-off-by: Curtis Malainey <[email protected]>
Signed-off-by: Pierre-Louis Bossart <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

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ASoC: SOF: Intel: hda: print PCI class info only once

With the deferred probe mechanism used by the gfx/display subsystem,
we see this message repeated for no good reason. Print the information
only

ASoC: SOF: Intel: hda: print PCI class info only once

With the deferred probe mechanism used by the gfx/display subsystem,
we see this message repeated for no good reason. Print the information
only once.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Bard Liao <[email protected]>
Link: https://msgid.link/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

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ASoC: SOF: add missing MODULE_DESCRIPTION()

MODULE_DESCRIPTION() was optional until it became mandatory and
flagged as an error by 'make W=1'.

Reported-by: Andy Shevchenko <andriy.shevchenko@linux.

ASoC: SOF: add missing MODULE_DESCRIPTION()

MODULE_DESCRIPTION() was optional until it became mandatory and
flagged as an error by 'make W=1'.

Reported-by: Andy Shevchenko <[email protected]>
Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Bard Liao <[email protected]>
Reviewed-by: Daniel Baluta <[email protected]>
Reviewed-by: Péter Ujfalusi <[email protected]>
Link: https://msgid.link/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

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ASoC: SOF: Intel: clarify Copyright information

For some reason a number of files included the "All rights reserved"
statement. Good old copy-paste made sure this mistake proliferated.

Remove the "

ASoC: SOF: Intel: clarify Copyright information

For some reason a number of files included the "All rights reserved"
statement. Good old copy-paste made sure this mistake proliferated.

Remove the "All rights reserved" in all Intel-copyright to align with
internal guidance.

Reviewed-by: Cezary Rojewski <[email protected]>
Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Bard Liao <[email protected]>
Reviewed-by: Péter Ujfalusi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: move hda.c to different module

Now that most of the code moves are done, we can add a new module and
the required EXPORT_SYMBOL definitions.

No functionality change, just a new mo

ASoC: SOF: Intel: move hda.c to different module

Now that most of the code moves are done, we can add a new module and
the required EXPORT_SYMBOL definitions.

No functionality change, just a new module added.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Bard Liao <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

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ASoC: SOF: Intel: remove circular dependency on hda_sdw_process_wakeen()

hda_sdw_process_wakeen() is used in hda-loader.c, but defined in
hda.c. This code split will create a circular dependency whe

ASoC: SOF: Intel: remove circular dependency on hda_sdw_process_wakeen()

hda_sdw_process_wakeen() is used in hda-loader.c, but defined in
hda.c. This code split will create a circular dependency when hda.c is
moved to a different module. Rather than an invasive code change, this
patch follows the model used for sdw_check_wakeen_irq() with an
abstraction. For now all abstractions point to the same common
routine, which is arguably not great, but this also provides us with a
future-proof way of addressing platform-specific wake processing.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Bard Liao <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

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ASoC: SOF: Intel: move tracepoint creation

CREATE_TRACEPOINTS is supposed to be used once. To avoid modpost
issues when creating modules, let's move the tracepoint creation in a
single object file.

ASoC: SOF: Intel: move tracepoint creation

CREATE_TRACEPOINTS is supposed to be used once. To avoid modpost
issues when creating modules, let's move the tracepoint creation in a
single object file.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Bard Liao <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: move common code from hda.c

To avoid circular dependencies when moving hda.c to a separate module,
we need to move the common code to hda-ipc.c and hda-dsp.c

No functionality chan

ASoC: SOF: Intel: move common code from hda.c

To avoid circular dependencies when moving hda.c to a separate module,
we need to move the common code to hda-ipc.c and hda-dsp.c

No functionality change, just code move.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Bard Liao <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: start splitting top-level from common parts

The existing code relies on the 'HDA_COMMON' module and namespace. We
need to start splitting top-level parts from the low-level ones,
o

ASoC: SOF: Intel: start splitting top-level from common parts

The existing code relies on the 'HDA_COMMON' module and namespace. We
need to start splitting top-level parts from the low-level ones,
otherwise we will not be able to reuse the low-level parts DMA support
for SoundWire/BPT.

In the end the dependencies will be:

+----------------------------------------------+
| |
| v
sof-pci-intel-xxx --> sof-intel-hda ------------> sof-hda-common
| ^
| |
+-> soundwire_intel --> sof_hda_sdw_bpt

This patch adds the initial split between the sof-pci-intel-xxx
modules and the common parts, in a follow-up patch we will further
split the HDA_COMMON parts

Since the PCI modules are not all independent, i.e. the CNL parts are
also used in JSL and TGL, additional Kconfig and namespace modules
were added.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Bard Liao <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: regroup all SoundWire/Intel functions in hda.c

To avoid circular dependencies between SOF/Intel and SoundWire/Intel,
we need to split the top-level hda.c from the rest of the code.

ASoC: SOF: Intel: regroup all SoundWire/Intel functions in hda.c

To avoid circular dependencies between SOF/Intel and SoundWire/Intel,
we need to split the top-level hda.c from the rest of the code. This
patch first regroups all SoundWire related code in hda.c.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Bard Liao <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

show more ...

ASoC: SOF: Intel: discard SoundWire configuration if HDaudio codec is reported

The machine driver and topology selection starts with I2S, then
SoundWire and last uses HDaudio as a fallback. That ass

ASoC: SOF: Intel: discard SoundWire configuration if HDaudio codec is reported

The machine driver and topology selection starts with I2S, then
SoundWire and last uses HDaudio as a fallback. That assumes that the
ACPI information is correct but there are of course exceptions to the
rule.

On a Lenovo platform, an external HDaudio codec is detected, but the
ACPI tables expose TWO RT711 jack codecs. This patch skips the
SoundWire selection in case an external HDaudio codec is detected -
which only works with the additional assumption that no one will mix
HDaudio and SoundWire.

Closes: https://github.com/thesofproject/linux/issues/4962
Reviewed-by: Bard Liao <[email protected]>
Reviewed-by: Péter Ujfalusi <[email protected]>
Reviewed-by: Kai Vehmanen <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Signed-off-by: Pierre-Louis Bossart <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

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