If *defs == NULL the realloc() will be a simple malloc() and return a
pointer to uninitialized memory. Doing a strcat() to this is bad, so in
that case strcpy() the string into the newly allocated buffer.
This fixes the buffer overflow bug, such as:
*** buffer overflow detected ***: terminated
Program received signal SIGABRT, Aborted.
__pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
warning: 44 ./nptl/pthread_kill.c: No such file or directory
(gdb) bt
at ../sysdeps/posix/libc_fatal.c:132
at ./debug/fortify_fail.c:24
dest=dest@entry=0x5555555682c0 "hUUU\005PLATFORM=mtl,PREPROCESS_PLUGINS=nhlt,NHLT_BIN=nhlt-sof-mtl-sdw-cs42l42-l0-max98363-l2-4ch-48k-96k.bin,NUM_DMICS=4,PDM1_MIC_A_ENABLE=1,PDM1_MIC_B_ENABLE=1,DMIC0_ID=3,DMIC1_ID=4,DMIC1_ENABLE=passth"...,
src=src@entry=0x7fffffffe0fa "PLATFORM=mtl,PREPROCESS_PLUGINS=nhlt,NHLT_BIN=nhlt-sof-mtl-sdw-cs42l42-l0-max98363-l2-4ch-48k-96k.bin,NUM_DMICS=4,PDM1_MIC_A_ENABLE=1,PDM1_MIC_B_ENABLE=1,DMIC0_ID=3,DMIC1_ID=4,DMIC1_ENABLE=passthrough"..., destlen=<optimized out>) at ./debug/strcat_chk.c:34
__src=0x7fffffffe0fa "PLATFORM=mtl,PREPROCESS_PLUGINS=nhlt,NHLT_BIN=nhlt-sof-mtl-sdw-cs42l42-l0-max98363-l2-4ch-48k-96k.bin,NUM_DMICS=4,PDM1_MIC_A_ENABLE=1,PDM1_MIC_B_ENABLE=1,DMIC0_ID=3,DMIC1_ID=4,DMIC1_ENABLE=passthrough"...,
__dest=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string_fortified.h:130
d=0x7fffffffe0fa "PLATFORM=mtl,PREPROCESS_PLUGINS=nhlt,NHLT_BIN=nhlt-sof-mtl-sdw-cs42l42-l0-max98363-l2-4ch-48k-96k.bin,NUM_DMICS=4,PDM1_MIC_A_ENABLE=1,PDM1_MIC_B_ENABLE=1,DMIC0_ID=3,DMIC1_ID=4,DMIC1_ENABLE=passthrough"...,
defs=<synthetic pointer>) at topology.c:400
Closes: https://github.com/alsa-project/alsa-utils/pull/277
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
- The SSC1 bits 21 and 20, TSRE and RSRE, do not exist.
- The SSC0 bit 30 ACS does not exist.
- The SSC0 bit 6 ECS does not exist but needs to be set, add note.
- The MDIVXCTRL bits 20:21 MNDSS does not exist.
Closes: https://github.com/alsa-project/alsa-utils/pull/276
Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
The MOD = 1 is the only allowed setting for SSC0(31) bit for
cAVS 2.x and all ACE versions 1.x, 2.x, and 3.x
Closes: https://github.com/alsa-project/alsa-utils/pull/276
Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This patch adds the 3.0 format that is used for the PTL
ACE3.x platform. Blob 3.0 is based on blob 1.5 but it adds
DMA control registers settings and has some changes in
registers bitfields.
This patch also fixes some compile warnings when NHLT_DEBUG is
set for comparing int with unsigned in ssp-debug.c for code for
all blobs variants.
Closes: https://github.com/alsa-project/alsa-utils/pull/276
Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Introduce a new kyword "SubTreeCopy" for extneding existing conf nodes
with additional nodes. This feature is useful for extending previous
pipeline class definitions with the addition of one or more widgets
without having to duplicate everything in the new class definition.
For example: Consider a pipeline class definition as below. Note that
only the widgets & routes are shown here.
Class.Pipeline.mixout-gain-dai-copier-playback {
Object.Widget {
mixout."1" {}
dai-copier."1" {}
gain."1" {}
pipeline."1" {}
}
Object.Base {
!route [
{
source mixout.$index.1
sink gain.$index.1
}
]
}
}
If we want to extend this pipeline with the addition of an eqiir/eqfir,
we can create a SubTreeCopy node with type extend as follows:
Class.Pipeline.mixout-gain-eqiir-eqfir-dai-copier-playback {
SubTreeCopy.baseclass {
source "Class.Pipeline.mixout-gain-dai-copier-playback"
type extend
tree {
Object.Widget {
eqiir.1 {}
eqfir.1 {}
}
Object.Base {
!route [
{
source gain.$index.1
sink eqiir.$index.1
}
{
source eqiir.$index.1
sink eqfir.$index.1
}
]
}
}
}
}
Note that the target is left undefined, which means that the newly
created subtree will be merged to the parent node that contains the
"SubTreeCopy" node i.e. in this case
Class.Pipeline.mixout-gain-eqiir-eqfir-dai-copier-playback".
But if we want to modify an existing pipeline class while modifying the
order of widgets and/or inserting new widgets, we should use the type
"override" instead. This allows for adding new widgets to the list of
widgets in the base class definition while also allowing overriding the
routes to allow inserting the new widgets and reordering the widgets in
the base class. For example, if we want to add a drc widget between the
gain and the eqiir modules in the above class, we can do the following:
Class.Pipeline.mixout-efx-dai-copier-playback {
# This copy will override all widgets/routes in the base class
SubTreeCopy.baseclass {
source "Class.Pipeline.mixout-gain-eqiir-eqfir-dai-copier-playback"
target "Class.Pipeline"
type override
tree {
Object.Widget {
drc.1 {}
}
Object.Base {
!route [
{
source mixout.$index.1
sink gain.$index.1
}
{
source gain.$index.1
sink drc.$index.1
}
{
source drc.$index.1
sink eqiir.$index.1
}
{
source eqiir.$index.1
sink eqfir.$index.1
}
]
}
}
}
# Explicitly copy the widgets from the base class now
SubTreeCopy.widgets {
source "Class.Pipeline.mixout-gain-eqiir-eqfir-dai-copier-playback.Object.Widget"
target "Class.Pipeline.mixout-efx-dai-copier-playback.Object.Widget"
}
}
Closes: https://github.com/alsa-project/alsa-utils/pull/268
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This patch fixes warnings like:
intel/dmic/dmic-process.c: In function 'select_mode':
intel/dmic/dmic-process.c:498:35: warning:
format '%s' expects a matching 'char *' argument [-Wformat=]
The intended __func__ string is missing from the two fprintf()
prints for errors.
Closes: https://github.com/alsa-project/alsa-utils/pull/270
Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Many error prints had obsolete function name written in them, use
__func__ everywhere and add problematic value to the print if its
available.
Closes: https://github.com/alsa-project/alsa-utils/pull/254
Signed-off-by: Jyri Sarha <jyri.sarha@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
The former Burst Fifo ThresHold bits 20-23 in output register are
specified as reserved bits starting from driver version 4.
Closes: https://github.com/alsa-project/alsa-utils/pull/254
Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Signed-off-by: Jyri Sarha <jyri.sarha@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Error if the version passed from topology is not known. Also fix the
dmic_set_params() error prints for to show the correct function name.
Closes: https://github.com/alsa-project/alsa-utils/pull/254
Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Signed-off-by: Jyri Sarha <jyri.sarha@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
The dmic configuration functions are called for each dmic DAI (or
FIFO) separately, and each dmic DAI is configured in their own
configuration rounds. However, the later configured dmic FIFO may
change the common clock divider and thus affect the FIR configuration
of the first configured DAI. However, the first configured FIR blob is
not touched after it is configured for the first time.
To overcome this problem always check the both FIR configurations, no
matter which DAI we are configuring.
Closes: https://github.com/alsa-project/alsa-utils/pull/250
Suggested-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Signed-off-by: Jyri Sarha <jyri.sarha@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
`strerror` takes the `errno` directly as its argument,
negating it will result in an "Unknown error".
This fixes such usages across multiple modules.
Fixes: https://github.com/alsa-project/alsa-utils/pull/245
Signed-off-by: Tianyi Liu <i.pear@outlook.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This partially reverts commit 3a47ef2487 ("topology: nhlt: intel:
support more device types and directions"), which changed the default
device_type in the endpoint descriptor from zero to SSP_ANALOG.
This change breaks the Linux kernel NHLT parser (which AFAICT doesn't
recognize SSP_ANALOG at all), producing errors like:
[56458.583812] sof-audio-pci-intel-mtl 0000:00:1f.3: no matching blob for sample rate: 48000 sample width: 32 channels: 2
[56458.583833] sof-audio-pci-intel-mtl 0000:00:1f.3: failed to prepare widget dai-copier.SSP.SSP0-Codec.playback
[56458.583840] sof-audio-pci-intel-mtl 0000:00:1f.3: Failed to prepare connected widgets
[56458.583847] sof-audio-pci-intel-mtl 0000:00:1f.3: error: failed widget list set up for pcm 1 dir 0
[56458.583853] sof-audio-pci-intel-mtl 0000:00:1f.3: ASoC: error at snd_soc_pcm_component_hw_params on 0000:00:1f.3: -22
Revert for compatibility.
Fixes: https://github.com/alsa-project/alsa-utils/pull/248
Signed-off-by: Andy Ross <andyross@google.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Needed for setlocale().
(After rebasing to pick up 8c229270f6, just
move it to be guarded as the include now exists.)
Closes: https://github.com/alsa-project/alsa-utils/pull/234
Signed-off-by: Sam James <sam@gentoo.org>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Add support for adding enum controls in the topology pre-processor.
Closes: https://github.com/alsa-project/alsa-utils/pull/236
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This solves an issue compiling with the musl libc.
Fixes: https://github.com/alsa-project/alsa-utils/issues/239
Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
config.h may contain defines like _FILE_OFFSET_BITS which influence
the system wide include files (off_t types, open -> open64 function
usage etc.).
Related: https://github.com/alsa-project/alsa-utils/pull/223
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Remove "fs not set" print from dmic processing. The message is printed out
when pdm is enabled but not configured. Many sof topologies enable all
pdms even if not used as it is a requirement for some Intel firmware
versions to work correctly.
Fixes: https://github.com/alsa-project/alsa-utils/pull/218
Signed-off-by: Jaska Uimonen <jaska.uimonen@intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
The previous version contained some hand edit mistakes those
impacted the filter frequency response. The used generator script
is found from directory:
https://github.com/thesofproject/sof/tree/main/tools/tune/dmic .
Use command "dmic_batch.h" to generate these and copy new version
to alsa-utils.
Fixes: https://github.com/alsa-project/alsa-utils/pull/218
Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
In current NHLT table the device type of all SSP endpoints are set to
BT Sideband(0) instead of SSP Analog Codec(4) and the direction only
supports Render(0) and Capture(1).
Here we introduce two new quirks from topology to set the device type
correctly and support two more directions: Render with loopback(2)
and Feedback for render(3) for speakers with echo reference or IV
sense feedback.
Fixes: https://github.com/alsa-project/alsa-utils/pull/226
Signed-off-by: Brent Lu <brent.lu@intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Introduce a new keyword, "CombineArrays" to instantiate multiple nodes
of the type specified. For example:
CombineArrays.Object.Base.input_audio_format [
{
in_rate [
8000
16000
48000
]
in_bit_depth [
32
]
in_valid_bit_depth [
24
32
]
}
]
This would be expanded into 6 objects with the rate, bit_depth and
valid_bit_depth combinations of the arrays of values above.
Object.Base.input_audio_format [
{
in_rate 8000
in_bit_depth 32
in_valid_bit_depth 32
}
{
in_rate 16000
in_bit_depth 32
in_valid_bit_depth 32
}
{
in_rate 48000
in_bit_depth 32
in_valid_bit_depth 32
}
{
in_rate 8000
in_bit_depth 32
in_valid_bit_depth 24
}
{
in_rate 16000
in_bit_depth 32
in_valid_bit_depth 24
}
{
in_rate 48000
in_bit_depth 32
in_valid_bit_depth 24
}
]
The CombineArrays definition is an array so that multiple combinations can
be specified in order to deal with only valid combinations. For example,
16-bit bit_depth is only valid with 16-bit valid_bit_depth. So if we
also want to add those combinations with the multiple rates, the
definition would look like:
CombineArrays.Object.Base.input_audio_format [
{
in_rate [
8000
16000
48000
]
in_bit_depth [
32
]
in_valid_bit_depth [
24
32
]
}
{
in_rate [
8000
16000
48000
]
in_bit_depth [
16
]
in_valid_bit_depth [
16
]
}
]
Fixes: https://github.com/alsa-project/alsa-utils/pull/216
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Dmic stereo mode should be set only in hw version 1. In later hw
versions this bit is reserved.
Fixes: https://github.com/alsa-project/alsa-utils/pull/222
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.ntel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
The REG_ICASE flag is a compile-time flag (cflags), it
should be used with regcomp() instead of regexec(). Also
add the REG_EXTENDED flag in this patch to make patterns
like 'tgl|adl' work.
Fixes: https://github.com/alsa-project/alsa-utils/pull/195
Signed-off-by: Chao Song <chao.song@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Expand the pre-processor to allow for expanding the definitions,
object attribute references and arithmetic expressions within strings.
With this extension its possible to embedded definitions or attribute
references into topology string objects. For example:
Define {
PCM_NUMBER 1
}
Object.Pipeline {
pcm-playback.0 {
Object.Widget {
copier.1 {
copier_type "host"
}
gain.1 {
Object.Control.mixer.1 {
name 'hw:$[$PCM_NUMBER - 1] Playback Volume'
}
}
Object.Base {
route.1 {
source copier.host.$index.1
sink gain.$index.1
}
}
}
In the example the $[$PCM_NUMBER - 1] would be replaced with the
result of arithmetic expression '1 - 1' in other words '0' , and
$index in all occurrences with index attribute found from pipeline
object. Any non alpha numeric or '_' character are treated as
delimiters for variable names if $[]-notation is not used.
Fixes: https://github.com/alsa-project/alsa-utils/pull/189
Signed-off-by: Jyri Sarha <jyri.sarha@intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Currently, The IncludeByKey mechanism only supports conditionally
including a topology conf file. Even if we only
want to conditionally include a small conf block, we have
to use a conf file and in the end we will have a lot of
trivial conf files that only contain a single conf blocks.
This patch extends the use of IncludeByKey ito support including conf
blocks conditionally. For example, the block below will include the route
conditionally based on the variable definition COPIER_ROUTE.
Define {
COPIER_ROUTE 1
}
IncludeByKey.COPIER_ROUTE {
"1" {
Object.Base.route.11 {
source copier.module.8.2
sink copier.module.17.2
}
}
}
Fixes: https://github.com/alsa-project/alsa-utils/pull/187
Signed-off-by: Chao Song <chao.song@linux.intel.com>
Co-authored-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Ssp plugin had already a definition for newer nhlt blob version 1.5.
Add support to generate that instead of legacy blob. Never blob can be
generated by adding "version" field in SSP dai topology2 definition and
setting it to lower 16 bits of SSP_BLOB_VER_1_5 (0xee000105) -> 0x105
i.e 8 bits for major and 8 bits for minor version.
SSP."0" {
id 0
dai_index 0
direction "duplex"
name NoCodec-0
version 0x105
}
Fixes: https://github.com/alsa-project/alsa-utils/pull/184
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Intel ssp blob can have auxiliary controls catenated as tlv array at the
end of its "normal" data blob. These are needed in some platforms for
example to enable hardware clocks earlier than streaming starts.
In topology the auxiliary data classes are embedded into hw_config and
can be instantiated like:
Object.Base.hw_config."SSP0_0" {
id 0
mclk_freq 38400000
bclk_freq 256000
tdm_slot_width 16
format "DSP_A"
bclk "codec_provider"
fsync "codec_provider"
fsync_freq 16000
Object.Base.mn_config."MN_0" {
m_div 100
n_div 200
}
Object.Base.clk_config."CLK_0" {
clock_warm_up 1
mclk 2
warm_up_ovr 3
clock_stop_delay 4
keep_running 5
clock_stop_ovr 6
}
}
Fixes: https://github.com/alsa-project/alsa-utils/pull/184
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Let's propagate nhlt plugin error to main program,
so that we don't generate a wrong nhlt blob silently.
Fixes: https://github.com/alsa-project/alsa-utils/pull/181
Signed-off-by: Chao Song <chao.song@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Nhlt ssp plugin debug feature was broken due to recent change in ssp
indexing, thus fix it.
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Looks like a bad search and replace?
Fixes: https://github.com/alsa-project/alsa-utils/pull/174
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
There was a conceptual error in handling the separate ssp dais, so fix
it.
Fixes: https://github.com/alsa-project/alsa-utils/pull/164
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Dmic might have multiple configurations for the same hw, so add them to
nhlt blob. The configurations are separated by dai_index.
Fixes: https://github.com/alsa-project/alsa-utils/pull/164
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Fix valgrind memcheck error:
==1337389== Invalid write of size 1
==1337389== at 0x4A4AFAB: __vsnprintf_internal (vsnprintf.c:117)
==1337389== by 0x4AECF40: __snprintf_chk (snprintf_chk.c:38)
==1337389== by 0x484B870: snprintf (stdio2.h:67)
==1337389== by 0x484B870: print_as_hex_bytes (nhlt-processor.c:112)
==1337389== by 0x484B870: merge_manifest_data (nhlt-processor.c:154)
==1337389== by 0x484B870: do_nhlt (nhlt-processor.c:420)
==1337389== by 0x484B870: _snd_topology_nhlt_process (nhlt-processor.c:484)
The consecutive snprintf overwrites always the previous terminator until
it hits the very last call of:
snprintf(dst, ALSA_BYTE_CHARS + 1, "0x%02x,", *nhlt_buffer);
when the size n given to snprintf is 1 more than allocated.
Fixes: https://github.com/alsa-project/alsa-utils/pull/162
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Dmic find_modes function was used with same sampling rate for both fifo
a and b parameter calculations. This bug was found in testing two
simultaneous dmic dais in topology. Fix this by introducing a sampling
rate argument for find_modes.
Fixes: https://github.com/alsa-project/alsa-utils/pull/148
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Add Intel nhlt acpi table encoder plugin into topology2.0 processing.
Nhlt internal structure is defined in:
https://01.org/sites/default/files/595976_intel_sst_nhlt.pdf
Nhlt acpi table contain vendor specific binary data blobs that are used
in some Intel dsp platforms for configuring the dmic and ssp hardware.
The function of this code is mainly to generate the vendor specific
binary blobs, but as there is existing nhlt parser code and header in
kernel there's no point of re-inventing the container: just use the
existing nhlt acpi table format. Basically this code is creating similar
nhlt acpi table that you would get from: cat
/sys/firmware/acpi/tables/NHLT
This code will have implementation for dmic and ssp endpoints. Thus the
code will translate the topology dai tokens into vendor specific binary
blobs and pack them into nhlt acpi table. Ssp and dmic code is lifted
from Sound Open Firmware (sof) code base, thus it will have BSD-3
license.
This plugin can be enabled from command line with:
alsatplg -DPREPROCESS_PLUGINS="nhlt" -c foo.conf -p -o bar.tplg
You can also dump the nhlt binary into a file with additional define:
-DNHLT_BIN="nhlt.bin"
Link: https://github.com/alsa-project/alsa-utils/pull/129
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Add a simple plugin interface for processing the topology tree. There
can be cases where parts of the topology need to be translated from the
original format into something else. For example one could calculate
some kind of filter coefficients from filter parameters or some other
binary interface parameters from plain text topology tokens.
Mechanism is similar as in alsa-plugins and in the plugin there should
be only 1 function exported of the form:
int _snd_topology_##pluginname##_process (snd_config_t *input, snd_config_t *output)
Input and output parameters are snd_config tree before and after topology2
pre-processing. So the plugin can modify both if needed. There are cases
where the plugin may need to get information from input tree, but make
modifications to the output.
The plugins to be used can be defined in command line with:
alsatplg -DPREPROCESS_PLUGINS="foobar" -c topology.conf -p -o topology.tplg
Multiple plugins should be separated by ":".
Plugins to be used can also be defined with "Define" clause inside the
topology file (but command line takes precedence):
Define {
PREPROCESS_PLUGINS "foobar"
}
Link: https://github.com/alsa-project/alsa-utils/pull/129
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
In case there are not command line definitions, there is nothing to
merge or delete.
Fixes: https://github.com/alsa-project/alsa-utils/pull/141
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
