ALSA: x86: Avoid passing NULL to memory allocators

We should pass a proper	non-NULL device	object to memory allocators
although it was accepted in the past.  The card->dev points to the
most appropriate device object in such a case, so let's put it.

Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/x86/intel_hdmi_audio.c

@@ -1812,7 +1812,8 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
 		 * try to allocate 600k buffer as default which is large enough
 		 */
 		snd_pcm_lib_preallocate_pages_for_all(pcm,
-						      SNDRV_DMA_TYPE_DEV_UC, NULL,
+						      SNDRV_DMA_TYPE_DEV_UC,
+						      card->dev,
 						      HAD_DEFAULT_BUFFER, HAD_MAX_BUFFER);
 
 		/* create controls */