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amixer: Print TLV of channel map controls

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Previously these were written as "unk-25..." which wasn't very user friendly.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
David Henningsson 2013-06-14 11:41:01 +02:00 committed by Jaroslav Kysela
parent c80a38dbf5
commit 9fe90a020c
1 changed files with 22 additions and 0 deletions
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22
amixer/amixer.c
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@ -443,6 +443,7 @@ static void decode_tlv(unsigned int spaces, unsigned int *tlv, unsigned int tlv_
unsigned int type = tlv[0];
unsigned int size;
unsigned int idx = 0;
const char *chmap_type = NULL;
if (tlv_size < 2 * sizeof(unsigned int)) {
printf("TLV size error!\n");
@ -540,6 +541,27 @@ static void decode_tlv(unsigned int spaces, unsigned int *tlv, unsigned int tlv_
print_dB((int)tlv[3]);
}
break;
#endif
#ifdef SND_CTL_TLVT_CHMAP_FIXED
case SND_CTL_TLVT_CHMAP_FIXED:
chmap_type = "fixed";
/* Fall through */
case SND_CTL_TLVT_CHMAP_VAR:
if (!chmap_type)
chmap_type = "variable";
/* Fall through */
case SND_CTL_TLVT_CHMAP_PAIRED:
if (!chmap_type)
chmap_type = "paired";
printf("chmap-%s=", chmap_type);
while (size > 0) {
printf("%s", snd_pcm_chmap_name(tlv[idx++]));
size -= sizeof(unsigned int);
if (size > 0)
printf(",");
}
break;
#endif
default:
printf("unk-%i-", type);