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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>
This commit is contained in:
Matthew Ranostay 2008-10-25 01:05:45 -04:00 committed by Takashi Iwai
parent 282cd76ffc
commit 50a9f7905f
3 changed files with 56 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
sound/pci/hda/hda_codec.c
View File

@ -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

7
sound/pci/hda/hda_codec.h
View File

@ -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
*/

39
sound/pci/hda/hda_proc.c
View File

@ -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));