ALSA: x86: Remove superfluous irqsave flags

We don't need to use irqsave/irqrestore versions for each spin lock,
but judge the context properly and use the simpler versions.

Also add some (still simplistic) comments to functions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2017-02-01 17:18:20 +01:00
commit bcce775ca8