The leading '+' in the keys specification add the key prefix
(sub-tree root identification) to the saved configuration.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Allow to save whole (or partial) local UCM alsa library configuration
to a file.
Syntax (saves key1.key2 sub-tree):
Sequence [
cfg-save "/tmp/my-file.conf:key1.key2"
]
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This change renames the original exec command to shell which
is more appropriate. Implement a light version of the exec
command which calls directly the specified executable without
the shell interaction (man 3 system).
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
When the user requests to ignore sysfs write errors by prefixing
the path with a '-' then we need to skip the '-' when building the
actual path otherwise the write will never work.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
The application should know, that there is no special
initialization sequence. It's counterpart for
"ucm: return error if boot_list is empty".
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
If bootlist is empty, that means there is no BootSequence defined
in the ucm for this sound card, let set_boot_user() return error,
then alsactl could have chance to use non-ucm ways to initialize the
sound card.
BugLink: https://github.com/alsa-project/alsa-lib/pull/94
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit allows to define private alsa-lib's configuration. When
the configuration is present, the device values ("PlaybackCTL",
"CaptureCTL", "PlaybackMixer", "CaptureMixer", "CapturePCM")
are prefixed with '_ucmHEXA.' string where HEXA is replaced by the
unique hexadecimal number identifying the opened ucm manager handle.
Syntax 4
LibraryConfig.a_label.SubstiConfig {
# substituted library configuration like:
usr_share_dir "${ConfLibDir}"
}
LibraryConfig.b_label.Config {
# non-substituted library configuration like:
usr_share_dir "/usr/share/alsa"
}
The File counterparts:
LibraryConfig.c_label.SubstiFile "/some/path"
LibraryConfig.d_label.File "/some/path"
Note that for files the contents is substituted on the request,
but the file name is always substituted (useful for ${ConfDir} etc.).
The private configuration is not saved or preserved. It's life time
belongs to the opened ucm manager handle.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This command create a new control using ID, description and value.
Syntax:
cset-new "name='ABCD',index=2 type=boolean,count=2 on,on"
cset-new "name='Enum' type=enum,labels='L1;L2;L3' 'L2'"
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This file is problematic for the git's tab checker.
The unexpand tool is used to convert initial spaces
to tabs.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Actually, the BootSequence is executed only when the driver controls
(identifiers or value types) are changed. It may be handy to have
also a sequence which is executed at _each_ boot without any condition.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
- add missing argument to error msg in if_eval_regex_match()
- print correct error value in uc_mgr_config_load_file()
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
It may be useful to find a correct card or device through
control API information fields.
Increase the syntax version to 4.
Examples:
${find-card:field=name,regex='HDA Intel'}
${find-device:type=pcm,field=id,regex='HDMI 1$'}
${find-device:ctl=hw:acp,type=pcm,field=id,regex=DMIC}
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
