Release 4.7 sound/soc/mxs/mxs-pcm.c
/*
* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
*
* Based on sound/soc/imx/imx-pcm-dma-mx2.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| dong aisheng | dong aisheng | 14 | 66.67% | 1 | 25.00% |
| lars-peter clausen | lars-peter clausen | 4 | 19.05% | 2 | 50.00% |
| shawn guo | shawn guo | 3 | 14.29% | 1 | 25.00% |
| Total | 21 | 100.00% | 4 | 100.00% |
EXPORT_SYMBOL_GPL(mxs_pcm_platform_register);
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| dong aisheng | dong aisheng | 100 | 75.76% | 1 | 14.29% |
| lars-peter clausen | lars-peter clausen | 19 | 14.39% | 4 | 57.14% |
| shawn guo | shawn guo | 8 | 6.06% | 1 | 14.29% |
| lothar wassmann | lothar wassmann | 5 | 3.79% | 1 | 14.29% |
| Total | 132 | 100.00% | 7 | 100.00% |
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