Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Dong Aisheng |
99 |
74.44% |
1 |
12.50% |
| Lars-Peter Clausen |
19 |
14.29% |
4 |
50.00% |
| Shawn Guo |
8 |
6.02% |
1 |
12.50% |
| Lothar Waßmann |
5 |
3.76% |
1 |
12.50% |
| Thomas Gleixner |
2 |
1.50% |
1 |
12.50% |
| Total |
133 |
|
8 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
*
* Based on sound/soc/imx/imx-pcm-dma-mx2.c
*/
#include <linux/device.h>
#include <linux/init.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
#include "mxs-pcm.h"
static const struct snd_pcm_hardware snd_mxs_hardware = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_HALF_DUPLEX,
.period_bytes_min = 32,
.period_bytes_max = 8192,
.periods_min = 1,
.periods_max = 52,
.buffer_bytes_max = 64 * 1024,
.fifo_size = 32,
};
static const struct snd_dmaengine_pcm_config mxs_dmaengine_pcm_config = {
.pcm_hardware = &snd_mxs_hardware,
.prealloc_buffer_size = 64 * 1024,
};
int mxs_pcm_platform_register(struct device *dev)
{
return devm_snd_dmaengine_pcm_register(dev, &mxs_dmaengine_pcm_config,
SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX);
}
EXPORT_SYMBOL_GPL(mxs_pcm_platform_register);
MODULE_LICENSE("GPL");