ALSA: bebob: change type of substream counter from atomic_t to unsigned int
The counter is incremented/decremented in critical section protected with mutex. Therefore, no need to use atomic_t. This commit changes the type to unsigned int. Signed-off-by: NTakashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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