mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 13:55:32 +00:00
7f2da3d76b
Now with the recent addition of WC buffer allocation support, we can use the standard PCM buffer allocation helpers for pxa2xx drivers. This allows us to remove lots of superfluous code. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20210802072815.13551-6-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip
|
|
*
|
|
* Author: Nicolas Pitre
|
|
* Created: Nov 30, 2004
|
|
* Copyright: (C) 2004 MontaVista Software, Inc.
|
|
*/
|
|
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/module.h>
|
|
#include <linux/dmaengine.h>
|
|
#include <linux/of.h>
|
|
|
|
#include <sound/core.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/pxa2xx-lib.h>
|
|
#include <sound/dmaengine_pcm.h>
|
|
|
|
static const struct snd_soc_component_driver pxa2xx_soc_platform = {
|
|
.pcm_construct = pxa2xx_soc_pcm_new,
|
|
.open = pxa2xx_soc_pcm_open,
|
|
.close = pxa2xx_soc_pcm_close,
|
|
.hw_params = pxa2xx_soc_pcm_hw_params,
|
|
.prepare = pxa2xx_soc_pcm_prepare,
|
|
.trigger = pxa2xx_soc_pcm_trigger,
|
|
.pointer = pxa2xx_soc_pcm_pointer,
|
|
};
|
|
|
|
static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
|
|
{
|
|
return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform,
|
|
NULL, 0);
|
|
}
|
|
|
|
static struct platform_driver pxa_pcm_driver = {
|
|
.driver = {
|
|
.name = "pxa-pcm-audio",
|
|
},
|
|
|
|
.probe = pxa2xx_soc_platform_probe,
|
|
};
|
|
|
|
module_platform_driver(pxa_pcm_driver);
|
|
|
|
MODULE_AUTHOR("Nicolas Pitre");
|
|
MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:pxa-pcm-audio");
|