ALSA: control: obsolete user_ctl_lock

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At a previous commit, concurrent requests for TLV data are maintained
exclusively between read requests and write/command requests. TLV
callback handlers in each driver has no risk from concurrent access for
reference/change.

In current implementation, 'struct snd_card' has a mutex to control
concurrent accesses to user-defined element sets. This commit obsoletes it.

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

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Takashi Sakamoto 2017-08-03 20:20:42 +09:00 • committed by Takashi Iwai

parent 4c8099e9ca

commit 30d8340b58

3 changed files with 13 additions and 27 deletions

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include/sound/core.h

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