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authorTakashi Iwai <tiwai@suse.de>2009-03-23 15:07:47 +0300
committerTakashi Iwai <tiwai@suse.de>2009-03-23 15:08:33 +0300
commit1327a32b878b5ed2113c63557b6f4f949f821857 (patch)
tree25b47d63e8cc68840134120fc49e4fa499f54569 /sound
parent52ca15b7c0c711eb37f5e4b769e8488e5c516d43 (diff)
downloadlinux-1327a32b878b5ed2113c63557b6f4f949f821857.tar.xz
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>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/hda_codec.c16
-rw-r--r--sound/pci/hda/hda_generic.c2
-rw-r--r--sound/pci/hda/hda_local.h1
-rw-r--r--sound/pci/hda/patch_realtek.c6
-rw-r--r--sound/pci/hda/patch_sigmatel.c7
5 files changed, 24 insertions, 8 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 1b5575ecb0a4..0f70d2d102e0 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1052,6 +1052,7 @@ EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream);
/* FIXME: more better hash key? */
#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
+#define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24))
#define INFO_AMP_CAPS (1<<0)
#define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
@@ -1142,6 +1143,21 @@ int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
}
EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps);
+u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
+{
+ struct hda_amp_info *info;
+
+ info = get_alloc_amp_hash(codec, HDA_HASH_PINCAP_KEY(nid));
+ if (!info)
+ return 0;
+ if (!info->head.val) {
+ info->amp_caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
+ info->head.val |= INFO_AMP_CAPS;
+ }
+ return info->amp_caps;
+}
+EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps);
+
/*
* read the current volume to info
* if the cache exists, read the cache value.
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 2c81a683e8f8..1d5797a96682 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -144,7 +144,7 @@ static int add_new_node(struct hda_codec *codec, struct hda_gspec *spec, hda_nid
node->type = (node->wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
if (node->type == AC_WID_PIN) {
- node->pin_caps = snd_hda_param_read(codec, node->nid, AC_PAR_PIN_CAP);
+ node->pin_caps = snd_hda_query_pin_caps(codec, node->nid);
node->pin_ctl = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
node->def_cfg = snd_hda_codec_get_pincfg(codec, node->nid);
}
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 27428c718fd7..83349013b4df 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -411,6 +411,7 @@ static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
unsigned int caps);
+u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl);
void snd_hda_ctls_clear(struct hda_codec *codec);
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 965a531d2fba..bf7e64e2c468 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -770,7 +770,7 @@ static void alc_set_input_pin(struct hda_codec *codec, hda_nid_t nid,
if (auto_pin_type <= AUTO_PIN_FRONT_MIC) {
unsigned int pincap;
- pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
+ pincap = snd_hda_query_pin_caps(codec, nid);
pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
if (pincap & AC_PINCAP_VREF_80)
val = PIN_VREF80;
@@ -16746,13 +16746,13 @@ static int alc662_input_pin_idx(struct hda_codec *codec, hda_nid_t nid,
static int alc662_is_input_pin(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);
return (pincap & AC_PINCAP_IN) != 0;
}
static int alc662_is_output_pin(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);
return (pincap & AC_PINCAP_OUT) != 0;
}
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;
}