[alsa-devel] [PATCH 03/17] firewire-lib: Add 'direction' member to 'amdtp_stream' structure

[Clemens Ladisch]

Takashi Sakamoto wrote:
> This patch adds 'direction' member to amdtp_stream structure to indicate its
> direction.

> +++ b/sound/firewire/amdtp.h

> +enum amdtp_stream_direction {
> +	AMDTP_RECEIVE_STREAM = 0,
> +	AMDTP_TRANSMIT_STREAM
> +};

We have two FireWire nodes, the PC and the audio device.  Both streams
are transmitted by a node and received by a node, so these names does
not actually specify a direction.

The DMA API uses names like DMA_FROM/TO_DEVICE for this.  Alternatively,
you could use something like PLAYBACK/CAPTURE.


Regards,
Clemens