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bluetooth: accept +VGM/+VGS unsolicited reply with '=' and ':' separator

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HFP specs states both '=' and ':' should be accepted as a valid
separator for +VGM and +VGS unsolicited result codes.

This change is cherry-picked from Rodrigo Araujo's work here:
https://lists.freedesktop.org/archives/pulseaudio-discuss/2017-September/028820.html

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/521>
This commit is contained in:
Igor V. Kovalenko 2021-03-05 18:06:30 +03:00 • committed by Marijn Suijten
parent d510ddc7fb
commit f553afd2df
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/modules/bluetooth/backend-native.c
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@ -560,7 +560,7 @@ static void rfcomm_io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_i
* AT+CKPD=200: Sent by HS when headset button is pressed.
* RING: Sent by AG to HS to notify of an incoming call. It can safely be ignored because
* it does not expect a reply. */
if (sscanf(buf, "AT+VGS=%d", &gain) == 1 || sscanf(buf, "\r\n+VGM=%d\r\n", &gain) == 1) {
if (sscanf(buf, "AT+VGS=%d", &gain) == 1 || sscanf(buf, "\r\n+VGM%*[=:]%d\r\n", &gain) == 1) {
if (!t->set_sink_volume) {
pa_log_debug("HS/HF peer supports speaker gain control");
t->set_sink_volume = set_sink_volume;
@ -570,7 +570,7 @@ static void rfcomm_io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_i
pa_hook_fire(pa_bluetooth_discovery_hook(t->device->discovery, PA_BLUETOOTH_HOOK_TRANSPORT_SINK_VOLUME_CHANGED), t);
do_reply = true;
} else if (sscanf(buf, "AT+VGM=%d", &gain) == 1 || sscanf(buf, "\r\n+VGS=%d\r\n", &gain) == 1) {
} else if (sscanf(buf, "AT+VGM=%d", &gain) == 1 || sscanf(buf, "\r\n+VGS%*[=:]%d\r\n", &gain) == 1) {
if (!t->set_source_volume) {
pa_log_debug("HS/HF peer supports microphone gain control");
t->set_source_volume = set_source_volume;