ASoC: dma-sh7760: Use managed buffer allocation

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

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20191210142614.19405-7-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sh/dma-sh7760.c b/sound/soc/sh/dma-sh7760.c
index 2b0eca0..4d0f2f7 100644 (file)
--- a/sound/soc/sh/dma-sh7760.c
+++ b/sound/soc/sh/dma-sh7760.c
@@ -179,11 +179,6 @@ static int camelot_hw_params(struct snd_soc_component *component,
        int recv = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? 0:1;
        int ret;
 
-       ret = snd_pcm_lib_malloc_pages(substream,
-                                      params_buffer_bytes(hw_params));
-       if (ret < 0)
-               return ret;
-
        if (recv) {
                cam->rx_period_size = params_period_bytes(hw_params);
                cam->rx_period = 0;
@@ -194,12 +189,6 @@ static int camelot_hw_params(struct snd_soc_component *component,
        return 0;
 }
 
-static int camelot_hw_free(struct snd_soc_component *component,
-                          struct snd_pcm_substream *substream)
-{
-       return snd_pcm_lib_free_pages(substream);
-}
-
 static int camelot_prepare(struct snd_soc_component *component,
                           struct snd_pcm_substream *substream)
 {
@@ -307,7 +296,7 @@ static int camelot_pcm_new(struct snd_soc_component *component,
        /* dont use SNDRV_DMA_TYPE_DEV, since it will oops the SH kernel
         * in MMAP mode (i.e. aplay -M)
         */
-       snd_pcm_lib_preallocate_pages_for_all(pcm,
+       snd_pcm_set_managed_buffer_all(pcm,
                SNDRV_DMA_TYPE_CONTINUOUS,
                NULL,
                DMABRG_PREALLOC_BUFFER, DMABRG_PREALLOC_BUFFER_MAX);
@@ -320,7 +309,6 @@ static const struct snd_soc_component_driver sh7760_soc_component = {
        .close          = camelot_pcm_close,
        .ioctl          = snd_soc_pcm_lib_ioctl,
        .hw_params      = camelot_hw_params,
-       .hw_free        = camelot_hw_free,
        .prepare        = camelot_prepare,
        .trigger        = camelot_trigger,
        .pointer        = camelot_pos,