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Takashi Iwai authored
This is an implementation of PCM streaming with only 1 period. Since the hardware requires the refresh of BDs after each BD processing finishes, we'd need at least two BDs. The trick is that both BDs point to the same content: the address of the PCM buffer head, and the whole buffer size. Then it loops over to the whole buffer again after it finished once. Signed-off-by:
Takashi Iwai <tiwai@suse.de>
8d48c016