ALSA: hda - Cache pin-cap values
Added snd_hda_query_pin_caps() to read and cache pin-cap values
to avoid too frequently issuing the same verbs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 4da7240..b1c180a 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2537,8 +2537,7 @@
static unsigned int stac92xx_get_vref(struct hda_codec *codec, hda_nid_t nid)
{
- unsigned int pincap = snd_hda_param_read(codec, nid,
- AC_PAR_PIN_CAP);
+ unsigned int pincap = snd_hda_query_pin_caps(codec, nid);
pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
if (pincap & AC_PINCAP_VREF_100)
return AC_PINCTL_VREF_100;
@@ -2799,7 +2798,7 @@
if (cfg->line_out_type != AUTO_PIN_LINE_OUT)
return 0;
nid = cfg->input_pins[AUTO_PIN_LINE];
- pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
+ pincap = snd_hda_query_pin_caps(codec, nid);
if (pincap & AC_PINCAP_OUT)
return nid;
return 0;
@@ -2822,7 +2821,7 @@
/* some laptops have an internal analog microphone
* which can't be used as a output */
if (get_defcfg_connect(def_conf) != AC_JACK_PORT_FIXED) {
- pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
+ pincap = snd_hda_query_pin_caps(codec, nid);
if (pincap & AC_PINCAP_OUT)
return nid;
}