ALSA: hda - Add digital-only mode for ALC268

ALC268 can be configured as digital-only, e.g. for HDMI, on some
machines.  Allow the parser to set up the digital-only mode.

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

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index df32f9353e717a5087cbfdf03d25a6afcdef3e91..169b3837af52b6ae098dfd5df559cfcf0abc8309 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -11824,9 +11824,14 @@ static int alc268_parse_auto_config(struct hda_codec *codec)
                                           alc268_ignore);
        if (err < 0)
                return err;
-       if (!spec->autocfg.line_outs)
+       if (!spec->autocfg.line_outs) {
+               if (spec->autocfg.dig_outs || spec->autocfg.dig_in_pin) {
+                       spec->multiout.max_channels = 2;
+                       spec->no_analog = 1;
+                       goto dig_only;
+               }
                return 0; /* can't find valid BIOS pin config */
-
+       }
        err = alc268_auto_create_multi_out_ctls(spec, &spec->autocfg);
        if (err < 0)
                return err;
@@ -11836,10 +11841,12 @@ static int alc268_parse_auto_config(struct hda_codec *codec)
 
        spec->multiout.max_channels = 2;
 
+ dig_only:
        /* digital only support output */
-       if (spec->autocfg.dig_outs)
+       if (spec->autocfg.dig_outs) {
                spec->multiout.dig_out_nid = ALC268_DIGOUT_NID;
-
+               spec->dig_out_type = spec->autocfg.dig_out_type[0];
+       }
        if (spec->kctls.list)
                add_mixer(spec, spec->kctls.list);
 
@@ -12140,7 +12147,7 @@ static int patch_alc268(struct hda_codec *codec)
                                          (0 << AC_AMPCAP_MUTE_SHIFT));
        }
 
-       if (!spec->adc_nids && spec->input_mux) {
+       if (!spec->no_analog && !spec->adc_nids && spec->input_mux) {
                /* check whether NID 0x07 is valid */
                unsigned int wcap = get_wcaps(codec, 0x07);
                int i;
@@ -12764,7 +12771,7 @@ static int alc269_parse_auto_config(struct hda_codec *codec)
        if (err < 0)
                return err;
 
-       if (!spec->cap_mixer)
+       if (!spec->cap_mixer && !spec->no_analog)
                set_capture_mixer(spec);
 
        store_pin_configs(codec);