ALSA: hda - Avoid unnecessary verbs write in snd_hda_activate_path()
authorTakashi Iwai <tiwai@suse.de>
Mon, 27 Jan 2014 15:26:16 +0000 (16:26 +0100)
committerTakashi Iwai <tiwai@suse.de>
Thu, 30 Jan 2014 11:39:11 +0000 (12:39 +0100)
... by using snd_Hda_codec_update_cache() instead of *_write_cache().
Since all path elements should have been updated by this function,
we are safe to assume that the cache contents are consistent.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/hda_generic.c

index 8321a97d5c05047ab2312f8c62603826041a1897..437ef13c5a90acb33abb55f8b9d8ea2531853856 100644 (file)
@@ -762,7 +762,7 @@ void snd_hda_activate_path(struct hda_codec *codec, struct nid_path *path,
                                                    AC_PWRST_D0);
                }
                if (enable && path->multi[i])
-                       snd_hda_codec_write_cache(codec, nid, 0,
+                       snd_hda_codec_update_cache(codec, nid, 0,
                                            AC_VERB_SET_CONNECT_SEL,
                                            path->idx[i]);
                if (has_amp_in(codec, path, i))