ASoC: rt5677-spi: 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: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20191210142614.19405-20-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt5677-spi.c b/sound/soc/codecs/rt5677-spi.c
index 7810b1d..3f40d27 100644 (file)
--- a/sound/soc/codecs/rt5677-spi.c
+++ b/sound/soc/codecs/rt5677-spi.c
@@ -132,14 +132,12 @@ static int rt5677_spi_hw_params(
 {
        struct rt5677_dsp *rt5677_dsp =
                        snd_soc_component_get_drvdata(component);
-       int ret;
 
        mutex_lock(&rt5677_dsp->dma_lock);
-       ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
        rt5677_dsp->substream = substream;
        mutex_unlock(&rt5677_dsp->dma_lock);
 
-       return ret;
+       return 0;
 }
 
 static int rt5677_spi_hw_free(
@@ -153,7 +151,7 @@ static int rt5677_spi_hw_free(
        rt5677_dsp->substream = NULL;
        mutex_unlock(&rt5677_dsp->dma_lock);
 
-       return snd_pcm_lib_free_pages(substream);
+       return 0;
 }
 
 static int rt5677_spi_prepare(
@@ -376,8 +374,8 @@ done:
 static int rt5677_spi_pcm_new(struct snd_soc_component *component,
                              struct snd_soc_pcm_runtime *rtd)
 {
-       snd_pcm_lib_preallocate_pages_for_all(rtd->pcm, SNDRV_DMA_TYPE_VMALLOC,
-                                             NULL, 0, 0);
+       snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_VMALLOC,
+                                      NULL, 0, 0);
        return 0;
 }