Latest working kernel version: none
Earliest failing kernel version:
Distribution: Debian
Hardware Environment: Thinkpad T61
Software Environment:
Problem Description:
If power_save for the snd_intel_hda driver is active (> 0), then playback through "play" or "aplay" is missing roughly the first second of sound.
Seems as if waking up the snd driver/chip is taking _really_ long and as if there's no option to block the playing application until sound is up again.
As a result, sound notifications as for email/irc are always missing the first ~1 second if the chip was in powerdown.

Steps to reproduce:
echo "10" > /sys/module/snd_hda_intel/parameters/power_save, then wait until snd is in power_down, then use aplay to play any sound.