[alsa-devel] [PATCH] hda: 83xxx port 0xe DAC selection

Matthew Ranostay mranostay at embeddedalley.com
Tue Jan 20 22:50:25 CET 2009


On the 92hd8xxx codecs port 0xe needs the connection selected to be the
last DAC in the list.

Signed-off-by: Matthew Ranostay <mranostay at embeddedalley.com>
---

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index a4d4afe..7badec0 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -841,10 +841,6 @@ static struct hda_verb stac92hd73xx_10ch_core_init[] = {
 };
 
 static struct hda_verb stac92hd83xxx_core_init[] = {
-	/* start of config #1 */
-	{ 0xe, AC_VERB_SET_CONNECT_SEL, 0x3},
-
-	/* start of config #2 */
 	{ 0xa, AC_VERB_SET_CONNECT_SEL, 0x0},
 	{ 0xb, AC_VERB_SET_CONNECT_SEL, 0x0},
 	{ 0xd, AC_VERB_SET_CONNECT_SEL, 0x1},
@@ -4754,7 +4750,9 @@ static struct hda_input_mux stac92hd83xxx_dmux = {
 static int patch_stac92hd83xxx(struct hda_codec *codec)
 {
 	struct sigmatel_spec *spec;
+	hda_nid_t conn[STAC92HD83_DAC_COUNT + 1];
 	int err;
+	int num_dacs;
 
 	spec  = kzalloc(sizeof(*spec), GFP_KERNEL);
 	if (spec == NULL)
@@ -4773,13 +4771,21 @@ static int patch_stac92hd83xxx(struct hda_codec *codec)
 	spec->num_pwrs = ARRAY_SIZE(stac92hd83xxx_pwr_nids);
 	spec->multiout.dac_nids = spec->dac_nids;
 
+
+	/* set port 0xe to select the last DAC
+ 	 */
+	num_dacs = snd_hda_get_connections(codec, 0x0e,
+		conn, STAC92HD83_DAC_COUNT + 1) - 1;
+
+	snd_hda_codec_write_cache(codec, 0xe, 0,
+		AC_VERB_SET_CONNECT_SEL, num_dacs);
+
 	spec->init = stac92hd83xxx_core_init;
 	switch (codec->vendor_id) {
 	case 0x111d7605:
 		break;
 	default:
 		spec->num_pwrs--;
-		spec->init++; /* switch to config #2 */
 	}
 
 	spec->mixer = stac92hd83xxx_mixer;


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