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>
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@ -1052,6 +1052,7 @@ EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream);
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/* FIXME: more better hash key? */
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#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
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#define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24))
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#define INFO_AMP_CAPS (1<<0)
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#define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
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@ -1142,6 +1143,21 @@ int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
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}
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EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps);
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u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
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{
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struct hda_amp_info *info;
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info = get_alloc_amp_hash(codec, HDA_HASH_PINCAP_KEY(nid));
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if (!info)
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return 0;
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if (!info->head.val) {
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info->amp_caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
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info->head.val |= INFO_AMP_CAPS;
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}
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return info->amp_caps;
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}
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EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps);
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/*
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* read the current volume to info
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* if the cache exists, read the cache value.
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@ -144,7 +144,7 @@ static int add_new_node(struct hda_codec *codec, struct hda_gspec *spec, hda_nid
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node->type = (node->wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
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if (node->type == AC_WID_PIN) {
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node->pin_caps = snd_hda_param_read(codec, node->nid, AC_PAR_PIN_CAP);
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node->pin_caps = snd_hda_query_pin_caps(codec, node->nid);
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node->pin_ctl = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
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node->def_cfg = snd_hda_codec_get_pincfg(codec, node->nid);
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}
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@ -411,6 +411,7 @@ static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
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u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
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int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
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unsigned int caps);
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u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
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int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl);
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void snd_hda_ctls_clear(struct hda_codec *codec);
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@ -770,7 +770,7 @@ static void alc_set_input_pin(struct hda_codec *codec, hda_nid_t nid,
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if (auto_pin_type <= AUTO_PIN_FRONT_MIC) {
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unsigned int pincap;
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pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
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pincap = snd_hda_query_pin_caps(codec, nid);
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pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
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if (pincap & AC_PINCAP_VREF_80)
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val = PIN_VREF80;
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@ -16746,13 +16746,13 @@ static int alc662_input_pin_idx(struct hda_codec *codec, hda_nid_t nid,
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static int alc662_is_input_pin(struct hda_codec *codec, hda_nid_t nid)
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{
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unsigned int pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
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unsigned int pincap = snd_hda_query_pin_caps(codec, nid);
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return (pincap & AC_PINCAP_IN) != 0;
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}
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static int alc662_is_output_pin(struct hda_codec *codec, hda_nid_t nid)
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{
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unsigned int pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
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unsigned int pincap = snd_hda_query_pin_caps(codec, nid);
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return (pincap & AC_PINCAP_OUT) != 0;
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}
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@ -2537,8 +2537,7 @@ static int stac92xx_build_pcms(struct hda_codec *codec)
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static unsigned int stac92xx_get_vref(struct hda_codec *codec, hda_nid_t nid)
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{
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unsigned int pincap = snd_hda_param_read(codec, nid,
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AC_PAR_PIN_CAP);
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unsigned int pincap = snd_hda_query_pin_caps(codec, nid);
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pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
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if (pincap & AC_PINCAP_VREF_100)
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return AC_PINCTL_VREF_100;
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@ -2799,7 +2798,7 @@ static hda_nid_t check_line_out_switch(struct hda_codec *codec)
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if (cfg->line_out_type != AUTO_PIN_LINE_OUT)
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return 0;
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nid = cfg->input_pins[AUTO_PIN_LINE];
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pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
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pincap = snd_hda_query_pin_caps(codec, nid);
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if (pincap & AC_PINCAP_OUT)
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return nid;
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return 0;
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@ -2822,7 +2821,7 @@ static hda_nid_t check_mic_out_switch(struct hda_codec *codec)
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/* some laptops have an internal analog microphone
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* which can't be used as a output */
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if (get_defcfg_connect(def_conf) != AC_JACK_PORT_FIXED) {
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pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
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pincap = snd_hda_query_pin_caps(codec, nid);
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if (pincap & AC_PINCAP_OUT)
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return nid;
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}
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