mirror of
https://github.com/torvalds/linux.git
synced 2024-11-10 22:21:40 +00:00
a636cd6c42
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>
87 lines
2.1 KiB
C
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");
|