linux/sound/soc/sirf/sirf-audio-port.c
Thomas Gleixner a636cd6c42 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 4
Based on 1 normalized pattern(s):

  licensed under gplv2 or later

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 118 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190519154040.961286471@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 11:28:40 +02:00

87 lines
2.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* SiRF Audio port driver
*
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
*/
#include <linux/module.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
struct sirf_audio_port {
struct regmap *regmap;
struct snd_dmaengine_dai_dma_data playback_dma_data;
struct snd_dmaengine_dai_dma_data capture_dma_data;
};
static int sirf_audio_port_dai_probe(struct snd_soc_dai *dai)
{
struct sirf_audio_port *port = snd_soc_dai_get_drvdata(dai);
snd_soc_dai_init_dma_data(dai, &port->playback_dma_data,
&port->capture_dma_data);
return 0;
}
static struct snd_soc_dai_driver sirf_audio_port_dai = {
.probe = sirf_audio_port_dai_probe,
.name = "sirf-audio-port",
.id = 0,
.playback = {
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
};
static const struct snd_soc_component_driver sirf_audio_port_component = {
.name = "sirf-audio-port",
};
static int sirf_audio_port_probe(struct platform_device *pdev)
{
int ret;
struct sirf_audio_port *port;
port = devm_kzalloc(&pdev->dev,
sizeof(struct sirf_audio_port), GFP_KERNEL);
if (!port)
return -ENOMEM;
ret = devm_snd_soc_register_component(&pdev->dev,
&sirf_audio_port_component, &sirf_audio_port_dai, 1);
if (ret)
return ret;
platform_set_drvdata(pdev, port);
return devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
}
static const struct of_device_id sirf_audio_port_of_match[] = {
{ .compatible = "sirf,audio-port", },
{}
};
MODULE_DEVICE_TABLE(of, sirf_audio_port_of_match);
static struct platform_driver sirf_audio_port_driver = {
.driver = {
.name = "sirf-audio-port",
.of_match_table = sirf_audio_port_of_match,
},
.probe = sirf_audio_port_probe,
};
module_platform_driver(sirf_audio_port_driver);
MODULE_DESCRIPTION("SiRF Audio Port driver");
MODULE_AUTHOR("RongJun Ying <Rongjun.Ying@csr.com>");
MODULE_LICENSE("GPL v2");