| From 92823f7866d108babb9021c0710a78d1f314fd2a Mon Sep 17 00:00:00 2001 |
| From: Joseph Hwang <josephsih@chromium.org> |
| Date: Thu, 14 May 2020 17:33:50 +0800 |
| Subject: [PATCH 2/3] backend-ofono: always use dlen 60 for the builtin BT |
| controller |
| |
| --- |
| src/modules/bluetooth/backend-ofono.c | 21 ++++++++++++++------- |
| 1 file changed, 14 insertions(+), 7 deletions(-) |
| |
| diff --git a/src/modules/bluetooth/backend-ofono.c b/src/modules/bluetooth/backend-ofono.c |
| index 394f5c157..748f81a0c 100644 |
| --- a/src/modules/bluetooth/backend-ofono.c |
| +++ b/src/modules/bluetooth/backend-ofono.c |
| @@ -187,13 +187,20 @@ static int hf_audio_agent_transport_acquire(pa_bluetooth_transport *t, bool opti |
| * value from the Isoc USB endpoint in use by btusb and should be |
| * made available to userspace by the Bluetooth kernel subsystem. |
| * Meanwhile the empiric value 48 will be used. */ |
| - if (selected_codec == 1) { |
| - if (imtu) |
| - *imtu = 48; |
| - if (omtu) |
| - *omtu = 48; |
| - } else |
| - *imtu = *omtu = 60; |
| + |
| + /* The empiric value 48 above is generally used for the USB bus. |
| + * For the UART bus used in Raspberry Pi, it should be 60 instead. */ |
| + if (selected_codec >= 0) { |
| + if (imtu) |
| + *imtu = 60; |
| + if (omtu) |
| + *omtu = 60; |
| + } else { |
| + if (imtu) |
| + *imtu = 48; |
| + if (omtu) |
| + *omtu = 48; |
| + } |
| |
| t->codec = selected_codec; |
| |
| -- |
| 2.20.1 |
| |
