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>

1 files changed, 3 insertions, 4 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 4da72403fc87..b1c180a9e9be 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2537,8 +2537,7 @@ static int stac92xx_build_pcms(struct hda_codec *codec)
 
 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 @@ static hda_nid_t check_line_out_switch(struct hda_codec *codec)
         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 @@ static hda_nid_t check_mic_out_switch(struct hda_codec *codec)
                 /* 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;
                 }