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ucm: docs - add note about the sequences and device split

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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Jaroslav Kysela 2019-12-06 11:11:54 +01:00
parent 5473c5d677
commit ca67e82383
1 changed files with 5 additions and 0 deletions
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5
include/use-case.h
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@ -119,6 +119,11 @@ extern "C" {
* be added to these names like HDMI1,HDMI2,HDMI3 etc. No number gaps are
* allowed. The names with numbers must be continuous.
*
* If EnableSequence/DisableSequence controls independent paths in the hardware
* it is also recommended to split playback and capture UCM devices and use
* the number suffixes. Example use case: Use the integrated microphone
* in the laptop instead the microphone in headphones.
*
* The preference of the devices is determined by the priority value.
*/
#define SND_USE_CASE_DEV_NONE "None" /**< None Device */