tree e8b38eb8d7c67388595f11b140c97382a1384b1d
parent e581f3dba509f6d48e4939aa70e9b768aa5fd4f3
author Takashi Iwai <tiwai@suse.de> 1311669190 +0200
committer Takashi Iwai <tiwai@suse.de> 1311693684 +0200

ALSA: hda - Allow codec-specific set_power_state ops

The procedure for codec D-state change may have exceptional cases
depending on the codec chip, such as a longer delay or suppressing D3.

This patch adds a new codec ops, set_power_state() to override the system
default function.  For ease of porting, snd_hda_codec_set_power_to_all()
helper function is extracted from the default set_power_state() function.

As an example, the Conexant codec-specific delay is removed from the
default routine but moved to patch_conexant.c.

Signed-off-by: Takashi Iwai <tiwai@suse.de>