/* * sam9x5_wm8731 -- SoC audio for AT91SAM9X5-based boards * that are using WM8731 as codec. * * Copyright (C) 2011 Atmel, * Nicolas Ferre * * Copyright (C) 2013 Paratronic, * Richard Genoud * * Based on sam9g20_wm8731.c by: * Sedji Gaouaou * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * */ #include #include #include #include #include #include #include #include #include #include "../codecs/wm8731.h" #include "atmel_ssc_dai.h" #define MCLK_RATE 12288000 #define DRV_NAME "sam9x5-snd-wm8731" struct sam9x5_drvdata { int ssc_id; }; /* * Logic for a wm8731 as connected on a at91sam9x5ek based board. */ static int sam9x5_wm8731_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_dai *codec_dai = rtd->codec_dai; struct device *dev = rtd->dev; int ret; dev_dbg(dev, "ASoC: %s called\n", __func__); /* set the codec system clock for DAC and ADC */ ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, MCLK_RATE, SND_SOC_CLOCK_IN); if (ret < 0) { dev_err(dev, "ASoC: Failed to set WM8731 SYSCLK: %d\n", ret); return ret; } return 0; } /* * Audio paths on at91sam9x5ek board: * * |A| ------------> | | ---R----> Headphone Jack * |T| <----\ | WM | ---L--/ * |9| ---> CLK <--> | 8731 | <--R----- Line In Jack * |1| <------------ | | <--L--/ */ static const struct snd_soc_dapm_widget sam9x5_dapm_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_LINE("Line In Jack", NULL), }; static int sam9x5_wm8731_driver_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct device_node *codec_np, *cpu_np; struct snd_soc_card *card; struct snd_soc_dai_link *dai; struct sam9x5_drvdata *priv; int ret; if (!np) { dev_err(&pdev->dev, "No device node supplied\n"); return -EINVAL; } card = devm_kzalloc(&pdev->dev, sizeof(*card), GFP_KERNEL); priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); dai = devm_kzalloc(&pdev->dev, sizeof(*dai), GFP_KERNEL); if (!dai || !card || !priv) { ret = -ENOMEM; goto out; } snd_soc_card_set_drvdata(card, priv); card->dev = &pdev->dev; card->owner = THIS_MODULE; card->dai_link = dai; card->num_links = 1; card->dapm_widgets = sam9x5_dapm_widgets; card->num_dapm_widgets = ARRAY_SIZE(sam9x5_dapm_widgets); dai->name = "WM8731"; dai->stream_name = "WM8731 PCM"; dai->codec_dai_name = "wm8731-hifi"; dai->init = sam9x5_wm8731_init; dai->dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM; ret = snd_soc_of_parse_card_name(card, "atmel,model"); if (ret) { dev_err(&pdev->dev, "atmel,model node missing\n"); goto out; } ret = snd_soc_of_parse_audio_routing(card, "atmel,audio-routing"); if (ret) { dev_err(&pdev->dev, "atmel,audio-routing node missing\n"); goto out; } codec_np = of_parse_phandle(np, "atmel,audio-codec", 0); if (!codec_np) { dev_err(&pdev->dev, "atmel,audio-codec node missing\n"); ret = -EINVAL; goto out; } dai->codec_of_node = codec_np; cpu_np = of_parse_phandle(np, "atmel,ssc-controller", 0); if (!cpu_np) { dev_err(&pdev->dev, "atmel,ssc-controller node missing\n"); ret = -EINVAL; goto out; } dai->cpu_of_node = cpu_np; dai->platform_of_node = cpu_np; priv->ssc_id = of_alias_get_id(cpu_np, "ssc"); ret = atmel_ssc_set_audio(priv->ssc_id); if (ret != 0) { dev_err(&pdev->dev, "ASoC: Failed to set SSC %d for audio: %d\n", ret, priv->ssc_id); goto out; } of_node_put(codec_np); of_node_put(cpu_np); ret = snd_soc_register_card(card); if (ret) { dev_err(&pdev->dev, "ASoC: Platform device allocation failed\n"); goto out_put_audio; } dev_dbg(&pdev->dev, "ASoC: %s ok\n", __func__); return ret; out_put_audio: atmel_ssc_put_audio(priv->ssc_id); out: return ret; } static int sam9x5_wm8731_driver_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); struct sam9x5_drvdata *priv = card->drvdata; snd_soc_unregister_card(card); atmel_ssc_put_audio(priv->ssc_id); return 0; } static const struct of_device_id sam9x5_wm8731_of_match[] = { { .compatible = "atmel,sam9x5-wm8731-audio", }, {}, }; MODULE_DEVICE_TABLE(of, sam9x5_wm8731_of_match); static struct platform_driver sam9x5_wm8731_driver = { .driver = { .name = DRV_NAME, .of_match_table = of_match_ptr(sam9x5_wm8731_of_match), }, .probe = sam9x5_wm8731_driver_probe, .remove = sam9x5_wm8731_driver_remove, }; module_platform_driver(sam9x5_wm8731_driver); /* Module information */ MODULE_AUTHOR("Nicolas Ferre "); MODULE_AUTHOR("Richard Genoud "); MODULE_DESCRIPTION("ALSA SoC machine driver for AT91SAM9x5 - WM8731"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRV_NAME); .cgi/linux/net-next.git/tree/?id=424414947da3dd5cb0d60e4f299f7c51e472ae77'>a4067480c4256c80ae8f8438a3e4bb88e32050bc /sound/drivers/mpu401 parenta3683e0c1410c5c8136a7a93b0336ce88d3b893a (diff)parentd07830db1bdb254e4b50d366010b219286b8c937 (diff)
Merge tag 'usb-serial-4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes: USB-serial fixes for v4.10-rc7 One more device ID for pl2303. Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'sound/drivers/mpu401')