ALSA: hda - Reset pins of IDT/STAC codecs at free

Some laptops cause annoying clicks or noises at shutdown/reboot since
the speaker pin is set still high.  Apply the same procedure used for
the suspend to avoid such clicks/noises for freeing the codec, too.

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

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 8eb6508..3087705 100644 (file)
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4327,6 +4327,28 @@ static void stac92xx_free_kctls(struct hda_codec *codec)
        snd_array_free(&spec->kctls);
 }
 
+static void stac92xx_shutup(struct hda_codec *codec)
+{
+       struct sigmatel_spec *spec = codec->spec;
+       int i;
+       hda_nid_t nid;
+
+       /* reset each pin before powering down DAC/ADC to avoid click noise */
+       nid = codec->start_nid;
+       for (i = 0; i < codec->num_nodes; i++, nid++) {
+               unsigned int wcaps = get_wcaps(codec, nid);
+               unsigned int wid_type = get_wcaps_type(wcaps);
+               if (wid_type == AC_WID_PIN)
+                       snd_hda_codec_read(codec, nid, 0,
+                               AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
+       }
+
+       if (spec->eapd_mask)
+               stac_gpio_set(codec, spec->gpio_mask,
+                               spec->gpio_dir, spec->gpio_data &
+                               ~spec->eapd_mask);
+}
+
 static void stac92xx_free(struct hda_codec *codec)
 {
        struct sigmatel_spec *spec = codec->spec;
@@ -4334,6 +4356,7 @@ static void stac92xx_free(struct hda_codec *codec)
        if (! spec)
                return;
 
+       stac92xx_shutup(codec);
        stac92xx_free_jacks(codec);
        snd_array_free(&spec->events);
 
@@ -4793,24 +4816,7 @@ static int stac92xx_hp_check_power_status(struct hda_codec *codec,
 
 static int stac92xx_suspend(struct hda_codec *codec, pm_message_t state)
 {
-       struct sigmatel_spec *spec = codec->spec;
-       int i;
-       hda_nid_t nid;
-
-       /* reset each pin before powering down DAC/ADC to avoid click noise */
-       nid = codec->start_nid;
-       for (i = 0; i < codec->num_nodes; i++, nid++) {
-               unsigned int wcaps = get_wcaps(codec, nid);
-               unsigned int wid_type = get_wcaps_type(wcaps);
-               if (wid_type == AC_WID_PIN)
-                       snd_hda_codec_read(codec, nid, 0,
-                               AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
-       }
-
-       if (spec->eapd_mask)
-               stac_gpio_set(codec, spec->gpio_mask,
-                               spec->gpio_dir, spec->gpio_data &
-                               ~spec->eapd_mask);
+       stac92xx_shutup(codec);
        return 0;
 }
 #endif