The recent change (commit 
08422d2c559d: "ALSA: memalloc: Allow NULL
device for SNDRV_DMA_TYPE_CONTINUOUS type") made the PCM preallocation
helper accepting NULL as the device pointer for the default usage.
Drop the snd_dma_continuous_data() usage that became superfluous from
the callers.
Link: https://lore.kernel.org/r/20191105151856.10785-5-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
        /* Allocate the DMA buffers */
        snd_pcm_lib_preallocate_pages_for_all(pcm,
                                              SNDRV_DMA_TYPE_CONTINUOUS,
-                                             snd_dma_continuous_data(GFP_KERNEL),
+                                             NULL,
                                              AICA_BUFFER_SIZE,
                                              AICA_BUFFER_SIZE);
        return 0;
 
 
        /* buffer size=48K */
        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
-                                         snd_dma_continuous_data(GFP_KERNEL),
+                                             NULL,
                                                        48 * 1024,
                                                        48 * 1024);