diff options
| -rw-r--r-- | src/control/tlv.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/control/tlv.c b/src/control/tlv.c index 9f26f355..49f9afec 100644 --- a/src/control/tlv.c +++ b/src/control/tlv.c @@ -285,7 +285,7 @@ int snd_tlv_convert_from_dB(unsigned int *tlv, long rangemin, long rangemax, { switch (tlv[0]) { case SND_CTL_TLVT_DB_RANGE: { - long dbmin, dbmax; + long dbmin, dbmax, prev_rangemax; unsigned int pos, len; len = int_index(tlv[1]); if (len > MAX_TLV_RANGE_SIZE) @@ -301,6 +301,7 @@ int snd_tlv_convert_from_dB(unsigned int *tlv, long rangemin, long rangemax, return 0; } pos = 2; + prev_rangemax = 0; while (pos + 4 <= len) { rangemin = (int)tlv[pos]; rangemax = (int)tlv[pos + 1]; @@ -311,6 +312,11 @@ int snd_tlv_convert_from_dB(unsigned int *tlv, long rangemin, long rangemax, return snd_tlv_convert_from_dB(tlv + pos + 2, rangemin, rangemax, db_gain, value, xdir); + else if (db_gain < dbmin) { + *value = xdir ? rangemin : prev_rangemax; + return 0; + } + prev_rangemax = rangemax; pos += int_index(tlv[pos + 3]) + 4; } return -EINVAL; |