[PATCH v32 32/32] ALSA: usb-audio: qcom: Notify USB audio devices on USB offload probing

Wesley Cheng
2025-01-08T01:22:47Z

If the vendor USB offload class driver is not ready/initialized before USB
SND discovers attached devices, utilize snd_usb_rediscover_devices() to
find all currently attached devices, so that the ASoC entities are notified
on available USB audio devices.

Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
---
sound/usb/qcom/qc_audio_offload.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/sound/usb/qcom/qc_audio_offload.c b/sound/usb/qcom/qc_audio_offload.c
index 81f75ca34e4d..6e1b43cb869e 100644
--- a/sound/usb/qcom/qc_audio_offload.c
+++ b/sound/usb/qcom/qc_audio_offload.c
@@ -1972,6 +1972,8 @@ static int __init qc_usb_audio_offload_init(void)
if (ret < 0)
goto release_qmi;

+ snd_usb_rediscover_devices();
+
return 0;