Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b90d7760ea784f916cb1fc0d8123410f1f0c9194
Commit: b90d7760ea784f916cb1fc0d8123410f1f0c9194
Parent: ee3527b0362e3b1b2e212d6161869aff9a8a98a0
Author: Takashi Iwai <[EMAIL PROTECTED]>
AuthorDate: Tue Nov 7 16:10:06 2006 +0100
Committer: Jaroslav Kysela <[EMAIL PROTECTED]>
CommitDate: Wed Dec 20 08:55:49 2006 +0100
[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 <[EMAIL PROTECTED]>
Signed-off-by: Jaroslav Kysela <[EMAIL PROTECTED]>
---
sound/pci/hda/hda_proc.c | 51 ++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 47 insertions(+), 4 deletions(-)
diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
index e695655..17df4d0 100644
--- a/sound/pci/hda/hda_proc.c
+++ b/sound/pci/hda/hda_proc.c
@@ -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);
}
-
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