• Takashi Iwai's avatar
    ALSA: hda - Replace bus pm_notify with the standard runtime PM framework · 55ed9cd1
    Takashi Iwai authored
    Now the final bit of runtime PM cleanup: instead of manual
    notification of the power up/down of the codec via hda_bus pm_notify
    ops, use the standard runtime PM feature.
    
    The child codec device will kick off the runtime PM of the parent
    (PCI) device upon suspend/resume automatically.  For managing whether
    the link can be really turned off, we use the bit flags
    bus->codec_powered instead of the earlier bus->power_keep_link_on.
    flag.  Each codec driver is responsible to set/clear the bit flag, and
    the controller device can be turned off only when all these bits are
    cleared.
    Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
    55ed9cd1
patch_sigmatel.c 136 KB