media: solo6x10: Use managed buffer allocation

Clean up the driver with the new managed buffer allocation API.
The hw_params and hw_free callbacks became superfluous and dropped.

Cc: Bluecherry Maintainers <maintainers@bluecherrydvr.com>
Cc: Anton Sviridenko <anton@corp.bluecherry.net>
Cc: Andrey Utkin <andrey.utkin@corp.bluecherry.net>
Cc: Ismael Luceno <ismael@iodev.co.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/pci/solo6x10/solo6x10-g723.c

@@ -97,17 +97,6 @@ void solo_g723_isr(struct solo_dev *solo_dev)
 	}
 }
 
-static int snd_solo_hw_params(struct snd_pcm_substream *ss,
-			      struct snd_pcm_hw_params *hw_params)
-{
-	return snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(hw_params));
-}
-
-static int snd_solo_hw_free(struct snd_pcm_substream *ss)
-{
-	return snd_pcm_lib_free_pages(ss);
-}
-
 static const struct snd_pcm_hardware snd_solo_pcm_hw = {
 	.info			= (SNDRV_PCM_INFO_MMAP |
 				   SNDRV_PCM_INFO_INTERLEAVED |
@@ -271,8 +260,6 @@ static const struct snd_pcm_ops snd_solo_pcm_ops = {
 	.open = snd_solo_pcm_open,
 	.close = snd_solo_pcm_close,
 	.ioctl = snd_pcm_lib_ioctl,
-	.hw_params = snd_solo_hw_params,
-	.hw_free = snd_solo_hw_free,
 	.prepare = snd_solo_pcm_prepare,
 	.trigger = snd_solo_pcm_trigger,
 	.pointer = snd_solo_pcm_pointer,
@@ -351,7 +338,7 @@ static int solo_snd_pcm_init(struct solo_dev *solo_dev)
 	     ss; ss = ss->next, i++)
 		sprintf(ss->name, "Camera #%d Audio", i);
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm,
+	snd_pcm_set_managed_buffer_all(pcm,
 				       SNDRV_DMA_TYPE_CONTINUOUS,
 				       NULL,
 				       G723_PERIOD_BYTES * PERIODS,