mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 11:19:37 +00:00
![Sascha Hauer](/assets/img/avatar_default.png)
Since 70d435ba1c
("ASoC: imx-pcm-dma: simplify pcm_config") the size
argument to imx_pcm_dma_init() is unused, so drop it. Also remove the
now unused defines that the users of imx_pcm_dma_init() used to pass the
size argument
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20220223130625.3430589-1-s.hauer@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* imx-pcm-dma-mx2.c -- ALSA Soc Audio Layer
|
|
*
|
|
* Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
|
|
*
|
|
* This code is based on code copyrighted by Freescale,
|
|
* Liam Girdwood, Javier Martin and probably others.
|
|
*/
|
|
#include <linux/platform_device.h>
|
|
#include <linux/dmaengine.h>
|
|
#include <linux/types.h>
|
|
#include <linux/module.h>
|
|
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/dmaengine_pcm.h>
|
|
|
|
#include "imx-pcm.h"
|
|
|
|
static bool filter(struct dma_chan *chan, void *param)
|
|
{
|
|
if (!imx_dma_is_general_purpose(chan))
|
|
return false;
|
|
|
|
chan->private = param;
|
|
|
|
return true;
|
|
}
|
|
|
|
static const struct snd_dmaengine_pcm_config imx_dmaengine_pcm_config = {
|
|
.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
|
|
.compat_filter_fn = filter,
|
|
};
|
|
|
|
int imx_pcm_dma_init(struct platform_device *pdev)
|
|
{
|
|
struct snd_dmaengine_pcm_config *config;
|
|
|
|
config = devm_kzalloc(&pdev->dev,
|
|
sizeof(struct snd_dmaengine_pcm_config), GFP_KERNEL);
|
|
if (!config)
|
|
return -ENOMEM;
|
|
*config = imx_dmaengine_pcm_config;
|
|
|
|
return devm_snd_dmaengine_pcm_register(&pdev->dev,
|
|
config,
|
|
SND_DMAENGINE_PCM_FLAG_COMPAT);
|
|
}
|
|
EXPORT_SYMBOL_GPL(imx_pcm_dma_init);
|
|
|
|
MODULE_LICENSE("GPL");
|