Re: [PATCH v21 26/39] ASoC: qcom: qdsp6: Add support to track available USB PCM devices

[Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>]

> @@ -113,6 +120,12 @@ static int q6usb_alsa_connection_cb(struct snd_soc_usb *usb,
>  	if (connected) {
>  		/* We only track the latest USB headset plugged in */
>  		data->active_usb_chip_idx = sdev->card_idx;
> +
> +		set_bit(sdev->card_idx, &data->available_card_slot);
> +		data->status[sdev->card_idx].sdev = sdev;

Not following the 'only track the latest USB headset plugged in', I
don't see anything that discard the previously latest headset...

If you plug headset1, then headset2, how is headset1 marked as not
available for USB offload?

> +	} else {
> +		clear_bit(sdev->card_idx, &data->available_card_slot);
> +		data->status[sdev->card_idx].sdev = NULL;
>  	}
>  
>  	return 0;