ALSA: hda - Add snd_hda_check_power_state() helper function

... for small refactoring.

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

1 files changed, 2 insertions, 7 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 2311114bf52c..f82a64da2f1b 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -3779,18 +3779,13 @@ static void sync_power_up_states(struct hda_codec *codec)
 
         for (i = 0; i < codec->num_nodes; i++, nid++) {
                 unsigned int wcaps = get_wcaps(codec, nid);
-                unsigned int state, target;
+                unsigned int target;
                 if (!(wcaps & AC_WCAP_POWER))
                         continue;
                 target = codec->power_filter(codec, nid, AC_PWRST_D0);
                 if (target == AC_PWRST_D0)
                         continue;
-                state = snd_hda_codec_read(codec, nid, 0,
-                                           AC_VERB_GET_POWER_STATE, 0);
-                if (state & AC_PWRST_ERROR)
-                        continue;
-                state = (state >> 4) & 0x0f;
-                if (state != target)
+                if (!snd_hda_check_power_state(codec, nid, target))
                         snd_hda_codec_write(codec, nid, 0,
                                             AC_VERB_SET_POWER_STATE, target);
         }