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authorLeah Rowe <leah@libreboot.org>2026-03-13 01:47:40 +0000
committerLeah Rowe <leah@libreboot.org>2026-03-26 06:59:41 +0000
commit3245333c5376462b789e69352975c46bb91ff6a6 (patch)
treee059a0faab241792e968891ff91d950f1524f361 /util/spkmodem_decode
parentfe6da7a238796983a139b2421d306d4dc46d5450 (diff)
spkmodem-decode: reset char if separator disappears
improves reliability in the case when audio cuts out, mic glitches, laptop audio power saving, etc. Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util/spkmodem_decode')
-rw-r--r--util/spkmodem_decode/spkmodem-decode.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/util/spkmodem_decode/spkmodem-decode.c b/util/spkmodem_decode/spkmodem-decode.c
index 92bacb20..65a0b52b 100644
--- a/util/spkmodem_decode/spkmodem-decode.c
+++ b/util/spkmodem_decode/spkmodem-decode.c
@@ -333,7 +333,8 @@ handle_audio(struct decoder_state *st)
* If the modem signal disappears for several (read: 3)
* frames, discard the partially assembled character.
*/
- if (st->sample_count >= (3 * SAMPLES_PER_FRAME))
+ if (st->sample_count >= (3 * SAMPLES_PER_FRAME) ||
+ st->freq_separator <= 0)
reset_char(st);
st->sample_count = 0;