ASoC: meson: Use managed buffer allocation

Clean up the driver with the new managed buffer allocation API.
The superfluous snd_pcm_lib_malloc_pages() and
snd_pcm_lib_free_pages() calls are dropped.

Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20191210142614.19405-6-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/meson/axg-fifo.c b/sound/soc/meson/axg-fifo.c
index d6f3eef..772eda8 100644 (file)
--- a/sound/soc/meson/axg-fifo.c
+++ b/sound/soc/meson/axg-fifo.c
@@ -115,11 +115,6 @@ int axg_fifo_pcm_hw_params(struct snd_soc_component *component,
        struct axg_fifo *fifo = axg_fifo_data(ss);
        dma_addr_t end_ptr;
        unsigned int burst_num;
-       int ret;
-
-       ret = snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(params));
-       if (ret < 0)
-               return ret;
 
        /* Setup dma memory pointers */
        end_ptr = runtime->dma_addr + runtime->dma_bytes - AXG_FIFO_BURST;
@@ -167,7 +162,7 @@ int axg_fifo_pcm_hw_free(struct snd_soc_component *component,
        regmap_update_bits(fifo->map, FIFO_CTRL0,
                           CTRL0_INT_EN(FIFO_INT_COUNT_REPEAT), 0);
 
-       return snd_pcm_lib_free_pages(ss);
+       return 0;
 }
 EXPORT_SYMBOL_GPL(axg_fifo_pcm_hw_free);
 
@@ -287,9 +282,9 @@ int axg_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd, unsigned int type)
        struct snd_card *card = rtd->card->snd_card;
        size_t size = axg_fifo_hw.buffer_bytes_max;
 
-       snd_pcm_lib_preallocate_pages(rtd->pcm->streams[type].substream,
-                                     SNDRV_DMA_TYPE_DEV, card->dev,
-                                     size, size);
+       snd_pcm_set_managed_buffer(rtd->pcm->streams[type].substream,
+                                  SNDRV_DMA_TYPE_DEV, card->dev,
+                                  size, size);
        return 0;
 }
 EXPORT_SYMBOL_GPL(axg_fifo_pcm_new);