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ucm: add ValueDefaults section to the master file

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- the get_value() function is recoded (tries to find the value in
  parent's list)

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2010-11-29 15:41:34 +01:00
parent aaf55f1641
commit d8b7816196
4 changed files with 60 additions and 25 deletions
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42
src/ucm/parser.c
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@ -930,26 +930,33 @@ static int parse_controls(snd_use_case_mgr_t *uc_mgr, snd_config_t *cfg)
* # The file is divided into Use case sections. One section per use case verb.
*
* SectionUseCase."Voice Call" {
* File "voice_call_blah"
* Comment "Make a voice phone call."
* File "voice_call_blah"
* Comment "Make a voice phone call."
* }
*
* SectionUseCase."HiFi" {
* File "hifi_blah"
* Comment "Play and record HiFi quality Music."
* File "hifi_blah"
* Comment "Play and record HiFi quality Music."
* }
*
* # Define Value defaults
*
* ValueDefaults {
* PlaybackCTL "hw:CARD=0,DEV=0"
* CaptureCTL "hw:CARD=0,DEV=0"
* }
*
* # This file also stores the default sound card state.
*
* SectionDefaults [
* cset "name='Master Playback Switch',index=2 1,1"
* cset "name='Master Playback Volume',index=2 25,25"
* cset "name='Master Mono Playback',index=1 0"
* cset "name='Master Mono Playback Volume',index=1 0"
* cset "name='PCM Switch',index=2 1,1"
* exec "some binary here"
* msleep 50
* ........
* cset "name='Master Playback Switch',index=2 1,1"
* cset "name='Master Playback Volume',index=2 25,25"
* cset "name='Master Mono Playback',index=1 0"
* cset "name='Master Mono Playback Volume',index=1 0"
* cset "name='PCM Switch',index=2 1,1"
* exec "some binary here"
* msleep 50
* ........
* ]
*
* # End of example file.
@ -999,6 +1006,17 @@ static int parse_master_file(snd_use_case_mgr_t *uc_mgr, snd_config_t *cfg)
return err;
continue;
}
/* get the default values */
if (strcmp(id, "ValueDefaults") == 0) {
err = parse_value(uc_mgr, &uc_mgr->value_list, n);
if (err < 0) {
uc_error("error: failed to parse ValueDefaults");
return err;
}
continue;
}
uc_error("uknown master file field %s", id);
}
return 0;