[PATCH] bluetooth: set gain correctly

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Hi David,

On Fri, Nov 21, 2014 at 1:02 PM, David Henningsson
<david.henningsson at canonical.com> wrote:
> I pushed this one now since I (finally!) got it working here too. Thanks!
>
> I needed some support from vudentz (thanks!) to have it up and working, but
> here's the relevant start order I used:
>
>  * Start bluetoothd
>  * Start bluetoothctl and input these commands "power on", "agent on" and
> "default-agent"
>  * Start pulseaudio
>  * If not paired, then pair the device using bluetoothctl (using "scan on",
> then "pair")
>  * Connect the device, e g by turning it on. Bluetoothctl might now ask you
> to authorize the device (and do so twice), answer "yes".
>
> Hopefully this will be easier with GUI tools, but that's how to do it
> manually for now.

So you were testing this, I was about to ack this patch since we
actually had this right in the beginning but it seems we got confused
with unsolicited commands, anyway good that this has been fixed and
you were able to test it.

>
> On 2014-11-14 15:01, Wim Taymans wrote:
>>
>> Send the right command to set the speaker and microphone gain.
>>
>> Note that setting the volume on the Headset should use the unsolicited
>> result code. Receiving the volume from the Headset uses the AT
>> command.
>> ---
>>   src/modules/bluetooth/backend-native.c | 8 ++++----
>>   1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/src/modules/bluetooth/backend-native.c
>> b/src/modules/bluetooth/backend-native.c
>> index 86af422..8407672 100644
>> --- a/src/modules/bluetooth/backend-native.c
>> +++ b/src/modules/bluetooth/backend-native.c
>> @@ -285,8 +285,8 @@ static void set_speaker_gain(pa_bluetooth_transport
>> *t, uint16_t gain) {
>>
>>       t->speaker_gain = gain;
>>
>> -    len = sprintf(buf, "AT+VGS=%d\r", gain);
>> -    pa_log_debug("RFCOMM >> AT+VGS=%d", gain);
>> +    len = sprintf(buf, "\r\n+VGS=%d\r\n", gain);
>> +    pa_log_debug("RFCOMM >> +VGS=%d", gain);
>>
>>       written = write(trfc->rfcomm_fd, buf, len);
>>
>> @@ -304,8 +304,8 @@ static void set_microphone_gain(pa_bluetooth_transport
>> *t, uint16_t gain) {
>>
>>       t->microphone_gain = gain;
>>
>> -    len = sprintf(buf, "AT+VGM=%d\r", gain);
>> -    pa_log_debug("RFCOMM >> AT+VGM=%d", gain);
>> +    len = sprintf(buf, "\r\n+VGM=%d\r\n", gain);
>> +    pa_log_debug("RFCOMM >> +VGM=%d", gain);
>>
>>       written = write (trfc->rfcomm_fd, buf, len);
>>
>>
>
> --
> David Henningsson, Canonical Ltd.
> https://launchpad.net/~diwic
>
> _______________________________________________
> pulseaudio-discuss mailing list
> pulseaudio-discuss at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss



-- 
Luiz Augusto von Dentz


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