+#ifdef SND_HDA_NEEDS_RESUME
+static void store_pin_configs(struct hda_codec *codec)
+{
+ struct alc_spec *spec = codec->spec;
+ hda_nid_t nid, end_nid;
+
+ end_nid = codec->start_nid + codec->num_nodes;
+ for (nid = codec->start_nid; nid < end_nid; nid++) {
+ unsigned int wid_caps = get_wcaps(codec, nid);
+ unsigned int wid_type =
+ (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
+ if (wid_type != AC_WID_PIN)
+ continue;
+ if (spec->num_pins >= ARRAY_SIZE(spec->pin_nids))
+ break;
+ spec->pin_nids[spec->num_pins] = nid;
+ spec->pin_cfgs[spec->num_pins] =
+ snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_CONFIG_DEFAULT, 0);
+ spec->num_pins++;
+ }
+}
+
+static void resume_pin_configs(struct hda_codec *codec)
+{
+ struct alc_spec *spec = codec->spec;
+ int i;
+
+ for (i = 0; i < spec->num_pins; i++) {
+ hda_nid_t pin_nid = spec->pin_nids[i];
+ unsigned int pin_config = spec->pin_cfgs[i];
+ snd_hda_codec_write(codec, pin_nid, 0,
+ AC_VERB_SET_CONFIG_DEFAULT_BYTES_0,
+ pin_config & 0x000000ff);
+ snd_hda_codec_write(codec, pin_nid, 0,
+ AC_VERB_SET_CONFIG_DEFAULT_BYTES_1,
+ (pin_config & 0x0000ff00) >> 8);
+ snd_hda_codec_write(codec, pin_nid, 0,
+ AC_VERB_SET_CONFIG_DEFAULT_BYTES_2,
+ (pin_config & 0x00ff0000) >> 16);
+ snd_hda_codec_write(codec, pin_nid, 0,
+ AC_VERB_SET_CONFIG_DEFAULT_BYTES_3,
+ pin_config >> 24);
+ }
+}
+
+static int alc_resume(struct hda_codec *codec)
+{
+ resume_pin_configs(codec);
+ codec->patch_ops.init(codec);
+ snd_hda_codec_resume_amp(codec);
+ snd_hda_codec_resume_cache(codec);
+ return 0;
+}
+#else
+#define store_pin_configs(codec)
+#endif
+