[ALSA] hda-codec - kernel config for each codec

Create kernel configs to choose the codec support codes to build.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 27 insertions, 4 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 36879a93eac4..c4cf2c7230ef 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -388,6 +388,13 @@ int __devinit snd_hda_bus_new(struct snd_card *card,
         return 0;
 }
 
+#ifdef CONFIG_SND_HDA_GENERIC
+#define is_generic_config(codec) \
+        (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
+#else
+#define is_generic_config(codec)        0
+#endif
+
 /*
  * find a matching codec preset
  */
@@ -396,7 +403,7 @@ find_codec_preset(struct hda_codec *codec)
 {
         const struct hda_codec_preset **tbl, *preset;
 
-        if (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
+        if (is_generic_config(codec))
                 return NULL; /* use the generic parser */
 
         for (tbl = hda_preset_tables; *tbl; tbl++) {
@@ -582,10 +589,26 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
                 snd_hda_get_codec_name(codec, bus->card->mixername,
                                        sizeof(bus->card->mixername));
 
-        if (codec->preset && codec->preset->patch)
-                err = codec->preset->patch(codec);
-        else
+#ifdef CONFIG_SND_HDA_GENERIC
+        if (is_generic_config(codec)) {
                 err = snd_hda_parse_generic_codec(codec);
+                goto patched;
+        }
+#endif
+        if (codec->preset && codec->preset->patch) {
+                err = codec->preset->patch(codec);
+                goto patched;
+        }
+
+        /* call the default parser */
+#ifdef CONFIG_SND_HDA_GENERIC
+        err = snd_hda_parse_generic_codec(codec);
+#else
+        printk(KERN_ERR "hda-codec: No codec parser is available\n");
+        err = -ENODEV;
+#endif
+
+ patched:
         if (err < 0) {
                 snd_hda_codec_free(codec);
                 return err;