ALSA: hda - Add helper functions to cache the current pinctl target
We already have the list of whole pin widgets and there is an unused
space in the list; let's use it for caching the current pinctl value.
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 93ec747..4c4f166 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -981,8 +981,8 @@
/* the struct for codec->pin_configs */
struct hda_pincfg {
hda_nid_t nid;
- unsigned char ctrl; /* current pin control value */
- unsigned char pad; /* reserved */
+ unsigned char ctrl; /* original pin control value */
+ unsigned char target; /* target pin control value */
unsigned int cfg; /* default configuration */
};