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ucm: add _fboot / FixedBootSequence

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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>
This commit is contained in:
Jaroslav Kysela 2021-03-05 18:50:02 +01:00
parent 266618088a
commit 9c194a0ba7
5 changed files with 59 additions and 1 deletions
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3
include/use-case.h
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@ -418,7 +418,10 @@ int snd_use_case_geti(snd_use_case_mgr_t *uc_mgr,
* \return Zero if success, otherwise a negative error code
*
* Known identifiers:
* - _fboot - execute the fixed boot sequence (value = NULL)
* - _boot - execute the boot sequence (value = NULL)
* - only when driver controls identifiers are changed
* (otherwise the old control values are restored)
* - _defaults - execute the 'defaults' sequence (value = NULL)
* - _verb - set current verb = value
* - _enadev - enable given device = value