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[ALSA] hda-codec - Verbose proc output for PCM parameters 

Make the output for PCM parameters more verbose, showing
each rate, bits and format.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2006-11-07 16:10:06 +01:00 committed by Jaroslav Kysela
parent ee3527b036
commit b90d7760ea
1 changed files with 47 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
sound/pci/hda/hda_proc.c
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@ -88,6 +88,48 @@ static void print_amp_vals(struct snd_info_buffer *buffer,
snd_iprintf(buffer, "\n");
}
static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
{
static unsigned int rates[] = {
8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
96000, 176400, 192000, 384000
};
int i;
pcm &= AC_SUPPCM_RATES;
snd_iprintf(buffer, " rates [0x%x]:", pcm);
for (i = 0; i < ARRAY_SIZE(rates); i++)
if (pcm & (1 << i))
snd_iprintf(buffer, " %d", rates[i]);
snd_iprintf(buffer, "\n");
}
static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
{
static unsigned int bits[] = { 8, 16, 20, 24, 32 };
int i;
pcm = (pcm >> 16) & 0xff;
snd_iprintf(buffer, " bits [0x%x]:", pcm);
for (i = 0; i < ARRAY_SIZE(bits); i++)
if (pcm & (1 << i))
snd_iprintf(buffer, " %d", bits[i]);
snd_iprintf(buffer, "\n");
}
static void print_pcm_formats(struct snd_info_buffer *buffer,
unsigned int streams)
{
snd_iprintf(buffer, " formats [0x%x]:", streams & 0xf);
if (streams & AC_SUPFMT_PCM)
snd_iprintf(buffer, " PCM");
if (streams & AC_SUPFMT_FLOAT32)
snd_iprintf(buffer, " FLOAT");
if (streams & AC_SUPFMT_AC3)
snd_iprintf(buffer, " AC3");
snd_iprintf(buffer, "\n");
}
static void print_pcm_caps(struct snd_info_buffer *buffer,
struct hda_codec *codec, hda_nid_t nid)
{
@ -97,8 +139,9 @@ static void print_pcm_caps(struct snd_info_buffer *buffer,
snd_iprintf(buffer, "N/A\n");
return;
}
snd_iprintf(buffer, "rates 0x%03x, bits 0x%02x, types 0x%x\n",
pcm & AC_SUPPCM_RATES, (pcm >> 16) & 0xff, stream & 0xf);
print_pcm_rates(buffer, pcm);
print_pcm_bits(buffer, pcm);
print_pcm_formats(buffer, stream);
}
static const char *get_jack_location(u32 cfg)
@ -210,7 +253,7 @@ static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffe
snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
if (! codec->afg)
return;
snd_iprintf(buffer, "Default PCM: ");
snd_iprintf(buffer, "Default PCM:\n");
print_pcm_caps(buffer, codec, codec->afg);
snd_iprintf(buffer, "Default Amp-In caps: ");
print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
@ -278,7 +321,7 @@ static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffe
if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
(wid_caps & AC_WCAP_FORMAT_OVRD)) {
snd_iprintf(buffer, " PCM: ");
snd_iprintf(buffer, " PCM:\n");
print_pcm_caps(buffer, codec, nid);
}