1 // SPDX-License-Identifier: GPL-2.0-only << 2 /* 1 /* 3 * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM in 2 * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip 4 * 3 * 5 * Author: Nicolas Pitre 4 * Author: Nicolas Pitre 6 * Created: Nov 30, 2004 5 * Created: Nov 30, 2004 7 * Copyright: (C) 2004 MontaVista Software, 6 * Copyright: (C) 2004 MontaVista Software, Inc. >> 7 * >> 8 * This program is free software; you can redistribute it and/or modify >> 9 * it under the terms of the GNU General Public License version 2 as >> 10 * published by the Free Software Foundation. 8 */ 11 */ 9 12 10 #include <linux/dma-mapping.h> 13 #include <linux/dma-mapping.h> 11 #include <linux/module.h> 14 #include <linux/module.h> 12 #include <linux/dmaengine.h> 15 #include <linux/dmaengine.h> 13 #include <linux/of.h> 16 #include <linux/of.h> 14 17 15 #include <sound/core.h> 18 #include <sound/core.h> 16 #include <sound/soc.h> 19 #include <sound/soc.h> 17 #include <sound/pxa2xx-lib.h> 20 #include <sound/pxa2xx-lib.h> 18 #include <sound/dmaengine_pcm.h> 21 #include <sound/dmaengine_pcm.h> 19 22 20 static const struct snd_soc_component_driver p 23 static const struct snd_soc_component_driver pxa2xx_soc_platform = { 21 .pcm_construct = pxa2xx_soc_pcm_new, !! 24 .ops = &pxa2xx_pcm_ops, 22 .open = pxa2xx_soc_pcm_open, !! 25 .pcm_new = pxa2xx_soc_pcm_new, 23 .close = pxa2xx_soc_pcm_close !! 26 .pcm_free = pxa2xx_pcm_free_dma_buffers, 24 .hw_params = pxa2xx_soc_pcm_hw_pa << 25 .prepare = pxa2xx_soc_pcm_prepa << 26 .trigger = pxa2xx_soc_pcm_trigg << 27 .pointer = pxa2xx_soc_pcm_point << 28 }; 27 }; 29 28 30 static int pxa2xx_soc_platform_probe(struct pl 29 static int pxa2xx_soc_platform_probe(struct platform_device *pdev) 31 { 30 { 32 return devm_snd_soc_register_component 31 return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform, 33 32 NULL, 0); 34 } 33 } 35 34 36 static struct platform_driver pxa_pcm_driver = 35 static struct platform_driver pxa_pcm_driver = { 37 .driver = { 36 .driver = { 38 .name = "pxa-pcm-audio", 37 .name = "pxa-pcm-audio", 39 }, 38 }, 40 39 41 .probe = pxa2xx_soc_platform_probe, 40 .probe = pxa2xx_soc_platform_probe, 42 }; 41 }; 43 42 44 module_platform_driver(pxa_pcm_driver); 43 module_platform_driver(pxa_pcm_driver); 45 44 46 MODULE_AUTHOR("Nicolas Pitre"); 45 MODULE_AUTHOR("Nicolas Pitre"); 47 MODULE_DESCRIPTION("Intel PXA2xx PCM DMA modul 46 MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module"); 48 MODULE_LICENSE("GPL"); 47 MODULE_LICENSE("GPL"); 49 MODULE_ALIAS("platform:pxa-pcm-audio"); 48 MODULE_ALIAS("platform:pxa-pcm-audio"); 50 49
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