Contributors: 9
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Sascha Hauer |
67 |
43.23% |
3 |
18.75% |
| Shengjiu Wang |
32 |
20.65% |
1 |
6.25% |
| Liam Girdwood |
13 |
8.39% |
1 |
6.25% |
| Lars-Peter Clausen |
13 |
8.39% |
3 |
18.75% |
| Julia Lawall |
9 |
5.81% |
1 |
6.25% |
| Mark Brown |
9 |
5.81% |
2 |
12.50% |
| Shawn Guo |
7 |
4.52% |
3 |
18.75% |
| Viresh Kumar |
3 |
1.94% |
1 |
6.25% |
| Thomas Gleixner |
2 |
1.29% |
1 |
6.25% |
| Total |
155 |
|
16 |
|
// 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, size_t size)
{
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");