// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2011-2014, 2017-2019 The Linux Foundation. All rights reserved. */ #include #include #include #include #include #include #include #define DRV_NAME "msm-stub-codec" /* A dummy driver useful only to advertise hardware parameters */ static struct snd_soc_dai_driver msm_stub_dais[] = { { .name = "msm-stub-rx", .playback = { /* Support maximum range */ .stream_name = "Playback", .channels_min = 1, .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, }, { .name = "msm-stub-tx", .capture = { /* Support maximum range */ .stream_name = "Record", .channels_min = 1, .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_48000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE), }, }, }; static const struct snd_soc_component_driver soc_msm_stub = { .name = DRV_NAME, }; static int msm_stub_dev_probe(struct platform_device *pdev) { dev_dbg(&pdev->dev, "dev name %s\n", dev_name(&pdev->dev)); return snd_soc_register_component(&pdev->dev, &soc_msm_stub, msm_stub_dais, ARRAY_SIZE(msm_stub_dais)); } static int msm_stub_dev_remove(struct platform_device *pdev) { snd_soc_unregister_component(&pdev->dev); return 0; } static const struct of_device_id msm_stub_codec_dt_match[] = { { .compatible = "qcom,msm-stub-codec", }, {} }; static struct platform_driver msm_stub_driver = { .driver = { .name = "msm-stub-codec", .owner = THIS_MODULE, .of_match_table = msm_stub_codec_dt_match, .suppress_bind_attrs = true, }, .probe = msm_stub_dev_probe, .remove = msm_stub_dev_remove, }; static int __init msm_stub_init(void) { return platform_driver_register(&msm_stub_driver); } module_init(msm_stub_init); static void __exit msm_stub_exit(void) { platform_driver_unregister(&msm_stub_driver); } module_exit(msm_stub_exit); MODULE_DESCRIPTION("Generic MSM CODEC driver"); MODULE_LICENSE("GPL v2");