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ctl: improve API documentation for threshold level operations
authorTakashi Sakamoto <o-takashi@sakamocchi.jp>
Wed, 15 Jun 2016 14:57:44 +0000 (23:57 +0900)
committerTakashi Iwai <tiwai@suse.de>
Thu, 16 Jun 2016 13:46:00 +0000 (15:46 +0200)
commitfe1b08803db61ebd27719cb0c5909219a9d3c7d4
tree4f7a05ad4e321f85b3be4d75d8d4b3fda3d2805f
parent677160d2269f0db2d05ccabe999240d063990eb9
ctl: improve API documentation for threshold level operations

In alsa-lib, threshold level operations require an array of unsigned-int
members, while there's little explanation about how to fill it. To usual
developers such as me, they're quite hard to understand.

This commit adds a few comment for easy understanding about how to use
the APIs.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
src/control/control.c