+int q6usb_alsa_connection_cb(struct snd_soc_usb *usb, int card_idx,
+ int connected)
+{
+ struct snd_soc_dapm_context *dapm;
+ struct q6usb_port_data *data;
+
+ if (!usb->component)
+ return 0;
+
+ dapm = snd_soc_component_get_dapm(usb->component);
+ data = dev_get_drvdata(usb->component->dev);
+
+ if (connected) {
+ snd_soc_dapm_enable_pin(dapm, "USB_RX_BE");
+ /* We only track the latest USB headset plugged in */
that answers to my earlier question on how to deal with multiple
devices, but is this a desirable policy? This could lead to a lot of
confusion. If there are restrictions to a single device, then it might
be more interesting for userspace or the user to indicate which USB
device gets to use USB offload and all others use legacy.