diff options
Diffstat (limited to 'sound/soc/tegra/tegra_wm9712.c')
-rw-r--r-- | sound/soc/tegra/tegra_wm9712.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/sound/soc/tegra/tegra_wm9712.c b/sound/soc/tegra/tegra_wm9712.c deleted file mode 100644 index c66da161c85a..000000000000 --- a/sound/soc/tegra/tegra_wm9712.c +++ /dev/null @@ -1,167 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * tegra20_wm9712.c - Tegra machine ASoC driver for boards using WM9712 codec. - * - * Copyright 2012 Lucas Stach <dev@lynxeye.de> - * - * Partly based on code copyright/by: - * Copyright 2011,2012 Toradex Inc. - */ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/gpio.h> -#include <linux/of_gpio.h> - -#include <sound/core.h> -#include <sound/jack.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> - -#include "tegra_asoc_utils.h" - -#define DRV_NAME "tegra-snd-wm9712" - -struct tegra_wm9712 { - struct platform_device *codec; - struct tegra_asoc_utils_data util_data; -}; - -static const struct snd_soc_dapm_widget tegra_wm9712_dapm_widgets[] = { - SND_SOC_DAPM_HP("Headphone", NULL), - SND_SOC_DAPM_LINE("LineIn", NULL), - SND_SOC_DAPM_MIC("Mic", NULL), -}; - -static int tegra_wm9712_init(struct snd_soc_pcm_runtime *rtd) -{ - return snd_soc_dapm_force_enable_pin(&rtd->card->dapm, "Mic Bias"); -} - -SND_SOC_DAILINK_DEFS(hifi, - DAILINK_COMP_ARRAY(COMP_EMPTY()), - DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")), - DAILINK_COMP_ARRAY(COMP_EMPTY())); - -static struct snd_soc_dai_link tegra_wm9712_dai = { - .name = "AC97 HiFi", - .stream_name = "AC97 HiFi", - .init = tegra_wm9712_init, - SND_SOC_DAILINK_REG(hifi), -}; - -static struct snd_soc_card snd_soc_tegra_wm9712 = { - .name = "tegra-wm9712", - .driver_name = "tegra", - .owner = THIS_MODULE, - .dai_link = &tegra_wm9712_dai, - .num_links = 1, - - .dapm_widgets = tegra_wm9712_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(tegra_wm9712_dapm_widgets), - .fully_routed = true, -}; - -static int tegra_wm9712_driver_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - struct snd_soc_card *card = &snd_soc_tegra_wm9712; - struct tegra_wm9712 *machine; - int ret; - - machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm9712), - GFP_KERNEL); - if (!machine) - return -ENOMEM; - - card->dev = &pdev->dev; - snd_soc_card_set_drvdata(card, machine); - - machine->codec = platform_device_alloc("wm9712-codec", -1); - if (!machine->codec) { - dev_err(&pdev->dev, "Can't allocate wm9712 platform device\n"); - return -ENOMEM; - } - - ret = platform_device_add(machine->codec); - if (ret) - goto codec_put; - - ret = snd_soc_of_parse_card_name(card, "nvidia,model"); - if (ret) - goto codec_unregister; - - ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing"); - if (ret) - goto codec_unregister; - - tegra_wm9712_dai.cpus->of_node = of_parse_phandle(np, - "nvidia,ac97-controller", 0); - if (!tegra_wm9712_dai.cpus->of_node) { - dev_err(&pdev->dev, - "Property 'nvidia,ac97-controller' missing or invalid\n"); - ret = -EINVAL; - goto codec_unregister; - } - - tegra_wm9712_dai.platforms->of_node = tegra_wm9712_dai.cpus->of_node; - - ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev); - if (ret) - goto codec_unregister; - - ret = tegra_asoc_utils_set_ac97_rate(&machine->util_data); - if (ret) - goto codec_unregister; - - ret = snd_soc_register_card(card); - if (ret) { - dev_err_probe(&pdev->dev, ret, - "snd_soc_register_card failed\n"); - goto codec_unregister; - } - - return 0; - -codec_unregister: - platform_device_del(machine->codec); -codec_put: - platform_device_put(machine->codec); - return ret; -} - -static int tegra_wm9712_driver_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - struct tegra_wm9712 *machine = snd_soc_card_get_drvdata(card); - - snd_soc_unregister_card(card); - - platform_device_unregister(machine->codec); - - return 0; -} - -static const struct of_device_id tegra_wm9712_of_match[] = { - { .compatible = "nvidia,tegra-audio-wm9712", }, - {}, -}; - -static struct platform_driver tegra_wm9712_driver = { - .driver = { - .name = DRV_NAME, - .pm = &snd_soc_pm_ops, - .of_match_table = tegra_wm9712_of_match, - }, - .probe = tegra_wm9712_driver_probe, - .remove = tegra_wm9712_driver_remove, -}; -module_platform_driver(tegra_wm9712_driver); - -MODULE_AUTHOR("Lucas Stach"); -MODULE_DESCRIPTION("Tegra+WM9712 machine ASoC driver"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:" DRV_NAME); -MODULE_DEVICE_TABLE(of, tegra_wm9712_of_match); |