X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=sound%2Fpci%2Fhda%2Fpatch_sigmatel.c;h=00c702df721ccd0a0573e8c58b5ffbed778117d3;hp=41b5b3a18c1ee3efcdd910643aaea45e12f59ae1;hb=05ff7e11b78f18ff6819d2c260b7bcc7da0c8f46;hpb=05e870d29aef0bf43124b2bd424103987fadd5b5;ds=sidebyside

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 41b5b3a18c1e..00c702df721c 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4745,6 +4745,20 @@ 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 = (wcaps & AC_WCAP_TYPE) >>
+			AC_WCAP_TYPE_SHIFT;
+		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 &