ALSA: hda: add snd_hda_get_jack* functions

This patch adds snd_hda_get_jack* functions for reporting jack location,
device, and connectivity type.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 9a8adc600a57505e7504b3a1ad8e19416cc06351..eaa8b5676eae0e5e4604f6c7908b37d7c1086492 100644 (file)
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -107,6 +107,52 @@ static void hda_keep_power_on(struct hda_codec *codec);
 static inline void hda_keep_power_on(struct hda_codec *codec) {}
 #endif
 
+const char *snd_hda_get_jack_location(u32 cfg)
+{
+       static char *bases[7] = {
+               "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
+       };
+       static unsigned char specials_idx[] = {
+               0x07, 0x08,
+               0x17, 0x18, 0x19,
+               0x37, 0x38
+       };
+       static char *specials[] = {
+               "Rear Panel", "Drive Bar",
+               "Riser", "HDMI", "ATAPI",
+               "Mobile-In", "Mobile-Out"
+       };
+       int i;
+       cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
+       if ((cfg & 0x0f) < 7)
+               return bases[cfg & 0x0f];
+       for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
+               if (cfg == specials_idx[i])
+                       return specials[i];
+       }
+       return "UNKNOWN";
+}
+
+const char *snd_hda_get_jack_connectivity(u32 cfg)
+{
+       static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
+
+       return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3];
+}
+
+const char *snd_hda_get_jack_type(u32 cfg)
+{
+       static char *jack_types[16] = {
+               "Line Out", "Speaker", "HP Out", "CD",
+               "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
+               "Line In", "Aux", "Mic", "Telephony",
+               "SPDIF In", "Digitial In", "Reserved", "Other"
+       };
+
+       return jack_types[(cfg & AC_DEFCFG_DEVICE)
+                               >> AC_DEFCFG_DEVICE_SHIFT];
+}
+
 /**
  * snd_hda_codec_read - send a command and get the response
  * @codec: the HDA codec

diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index a77ba223af4073838c4d50c6a48df259441ee67c..c5f91c918d198ea2f68983718babb83ca40a5d4b 100644 (file)
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -859,6 +859,13 @@ int snd_hda_suspend(struct hda_bus *bus, pm_message_t state);
 int snd_hda_resume(struct hda_bus *bus);
 #endif
 
+/*
+ * get widget information
+ */
+const char *snd_hda_get_jack_connectivity(u32 cfg);
+const char *snd_hda_get_jack_type(u32 cfg);
+const char *snd_hda_get_jack_location(u32 cfg);
+
 /*
  * power saving
  */

diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
index 64ab19f14f798486b1480b203102f75093e45a22..b36d4d06485d5390bb13ad18f3269d2da1a6e9ab 100644 (file)
--- a/sound/pci/hda/hda_proc.c
+++ b/sound/pci/hda/hda_proc.c
@@ -145,32 +145,6 @@ static void print_pcm_caps(struct snd_info_buffer *buffer,
        print_pcm_formats(buffer, stream);
 }
 
-static const char *get_jack_location(u32 cfg)
-{
-       static char *bases[7] = {
-               "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
-       };
-       static unsigned char specials_idx[] = {
-               0x07, 0x08,
-               0x17, 0x18, 0x19,
-               0x37, 0x38
-       };
-       static char *specials[] = {
-               "Rear Panel", "Drive Bar",
-               "Riser", "HDMI", "ATAPI",
-               "Mobile-In", "Mobile-Out"
-       };
-       int i;
-       cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
-       if ((cfg & 0x0f) < 7)
-               return bases[cfg & 0x0f];
-       for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
-               if (cfg == specials_idx[i])
-                       return specials[i];
-       }
-       return "UNKNOWN";
-}
-
 static const char *get_jack_connection(u32 cfg)
 {
        static char *names[16] = {
@@ -206,13 +180,6 @@ static void print_pin_caps(struct snd_info_buffer *buffer,
                           int *supports_vref)
 {
        static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
-       static char *jack_types[16] = {
-               "Line Out", "Speaker", "HP Out", "CD",
-               "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
-               "Line In", "Aux", "Mic", "Telephony",
-               "SPDIF In", "Digitial In", "Reserved", "Other"
-       };
-       static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
        unsigned int caps, val;
 
        caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
@@ -274,9 +241,9 @@ static void print_pin_caps(struct snd_info_buffer *buffer,
        caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
        snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
                    jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
-                   jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
-                   jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
-                   get_jack_location(caps));
+                   snd_hda_get_jack_type(caps),
+                   snd_hda_get_jack_connectivity(caps),
+                   snd_hda_get_jack_location(caps));
        snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
                    get_jack_connection(caps),
                    get_jack_color(caps));