ALSA: hda - Add generic pincfg initialization
Added the generic pincfg cache and save/restore functions.
Also introduced the pin-overriding via hwdep sysfs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 09a332a..6d01a80 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -778,11 +778,14 @@
unsigned short spdif_ctls; /* SPDIF control bits */
unsigned int spdif_in_enable; /* SPDIF input enable? */
hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */
+ struct snd_array init_pins; /* initial (BIOS) pin configurations */
+ struct snd_array cur_pins; /* current pin configurations */
#ifdef CONFIG_SND_HDA_HWDEP
struct snd_hwdep *hwdep; /* assigned hwdep device */
struct snd_array init_verbs; /* additional init verbs */
struct snd_array hints; /* additional hints */
+ struct snd_array override_pins; /* default pin configs to override */
#endif
/* misc flags */
@@ -855,6 +858,18 @@
#define snd_hda_sequence_write_cache snd_hda_sequence_write
#endif
+/* the struct for codec->pin_configs */
+struct hda_pincfg {
+ hda_nid_t nid;
+ unsigned int cfg;
+};
+
+unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
+int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
+ unsigned int cfg);
+int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
+ hda_nid_t nid, unsigned int cfg); /* for hwdep */
+
/*
* Mixer
*/