mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-02 17:46:45 +07:00
16a8ee4c80
This patch adds missing prepare_sleve_config that is needed for setup the DMA slave channel for I2S. Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net> Signed-off-by: Mark Brown <broonie@kernel.org>
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
|
|
* Copyright (c) 2018 Rockchip Electronics Co. Ltd.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#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 "rockchip_pcm.h"
|
|
|
|
static const struct snd_pcm_hardware snd_rockchip_hardware = {
|
|
.info = SNDRV_PCM_INFO_MMAP |
|
|
SNDRV_PCM_INFO_MMAP_VALID |
|
|
SNDRV_PCM_INFO_PAUSE |
|
|
SNDRV_PCM_INFO_RESUME |
|
|
SNDRV_PCM_INFO_INTERLEAVED,
|
|
.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 rk_dmaengine_pcm_config = {
|
|
.pcm_hardware = &snd_rockchip_hardware,
|
|
.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
|
|
.prealloc_buffer_size = 32 * 1024,
|
|
};
|
|
|
|
int rockchip_pcm_platform_register(struct device *dev)
|
|
{
|
|
return devm_snd_dmaengine_pcm_register(dev, &rk_dmaengine_pcm_config,
|
|
SND_DMAENGINE_PCM_FLAG_COMPAT);
|
|
}
|
|
EXPORT_SYMBOL_GPL(rockchip_pcm_platform_register);
|
|
|
|
MODULE_LICENSE("GPL v2");
|