ALSA: es1688: 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 got
dropped.

Link: https://lore.kernel.org/r/20191209094943.14984-13-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/isa/es1688/es1688_lib.c b/sound/isa/es1688/es1688_lib.c
index a28daba..d2c2685 100644 (file)
--- a/sound/isa/es1688/es1688_lib.c
+++ b/sound/isa/es1688/es1688_lib.c
@@ -341,17 +341,6 @@ static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char va
        return 0;
 }
 
-static int snd_es1688_hw_params(struct snd_pcm_substream *substream,
-                               struct snd_pcm_hw_params *hw_params)
-{
-       return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
-}
-
-static int snd_es1688_hw_free(struct snd_pcm_substream *substream)
-{
-       return snd_pcm_lib_free_pages(substream);
-}
-
 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream)
 {
        unsigned long flags;
@@ -693,8 +682,6 @@ static const struct snd_pcm_ops snd_es1688_playback_ops = {
        .open =                 snd_es1688_playback_open,
        .close =                snd_es1688_playback_close,
        .ioctl =                snd_es1688_ioctl,
-       .hw_params =            snd_es1688_hw_params,
-       .hw_free =              snd_es1688_hw_free,
        .prepare =              snd_es1688_playback_prepare,
        .trigger =              snd_es1688_playback_trigger,
        .pointer =              snd_es1688_playback_pointer,
@@ -704,8 +691,6 @@ static const struct snd_pcm_ops snd_es1688_capture_ops = {
        .open =                 snd_es1688_capture_open,
        .close =                snd_es1688_capture_close,
        .ioctl =                snd_es1688_ioctl,
-       .hw_params =            snd_es1688_hw_params,
-       .hw_free =              snd_es1688_hw_free,
        .prepare =              snd_es1688_capture_prepare,
        .trigger =              snd_es1688_capture_trigger,
        .pointer =              snd_es1688_capture_pointer,
@@ -728,9 +713,8 @@ int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device)
        strcpy(pcm->name, snd_es1688_chip_id(chip));
        chip->pcm = pcm;
 
-       snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-                                             card->dev,
-                                             64*1024, 64*1024);
+       snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, card->dev,
+                                      64*1024, 64*1024);
        return 0;
 }