From a747db239010bcabe48e3429556b782988a11797 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 9 Dec 2019 10:49:17 +0100
Subject: [PATCH] ALSA: lx6464es: Use managed buffer allocation
Git-commit: a747db239010bcabe48e3429556b782988a11797
Patch-mainline: v5.6-rc1
References: jsc#SLE-16518
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.
Link: https://lore.kernel.org/r/20191209094943.14984-46-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/lx6464es/lx6464es.c | 14 +++-----------
1 file changed, 3 insertions(+), 11 deletions(-)
diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c
index d0f63fa54121..a74d8eade3e2 100644
--- a/sound/pci/lx6464es/lx6464es.c
+++ b/sound/pci/lx6464es/lx6464es.c
@@ -342,23 +342,18 @@ static int lx_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params, int is_capture)
{
struct lx6464es *chip = snd_pcm_substream_chip(substream);
- int err = 0;
dev_dbg(chip->card->dev, "->lx_pcm_hw_params\n");
mutex_lock(&chip->setup_mutex);
- /* set dma buffer */
- err = snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
-
if (is_capture)
chip->capture_stream.stream = substream;
else
chip->playback_stream.stream = substream;
mutex_unlock(&chip->setup_mutex);
- return err;
+ return 0;
}
static int lx_pcm_hw_params_playback(struct snd_pcm_substream *substream,
@@ -400,8 +395,6 @@ static int lx_pcm_hw_free(struct snd_pcm_substream *substream)
chip->hardware_running[is_capture] = 0;
}
- err = snd_pcm_lib_free_pages(substream);
-
if (is_capture)
chip->capture_stream.stream = NULL;
else
@@ -845,9 +838,8 @@ static int lx_pcm_create(struct lx6464es *chip)
pcm->nonatomic = true;
strcpy(pcm->name, card_name);
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
- &chip->pci->dev,
- size, size);
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
+ &chip->pci->dev, size, size);
chip->pcm = pcm;
chip->capture_stream.is_capture = 1;
--
2.16.4