From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- sound/soc/jz4740/qi_lb60.c | 112 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 sound/soc/jz4740/qi_lb60.c (limited to 'sound/soc/jz4740/qi_lb60.c') diff --git a/sound/soc/jz4740/qi_lb60.c b/sound/soc/jz4740/qi_lb60.c new file mode 100644 index 000000000..53586999f --- /dev/null +++ b/sound/soc/jz4740/qi_lb60.c @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2009, Lars-Peter Clausen + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct qi_lb60 { + struct gpio_desc *snd_gpio; + struct gpio_desc *amp_gpio; +}; + +static int qi_lb60_spk_event(struct snd_soc_dapm_widget *widget, + struct snd_kcontrol *ctrl, int event) +{ + struct qi_lb60 *qi_lb60 = snd_soc_card_get_drvdata(widget->dapm->card); + int on = !SND_SOC_DAPM_EVENT_OFF(event); + + gpiod_set_value_cansleep(qi_lb60->snd_gpio, on); + gpiod_set_value_cansleep(qi_lb60->amp_gpio, on); + + return 0; +} + +static const struct snd_soc_dapm_widget qi_lb60_widgets[] = { + SND_SOC_DAPM_SPK("Speaker", qi_lb60_spk_event), + SND_SOC_DAPM_MIC("Mic", NULL), +}; + +static const struct snd_soc_dapm_route qi_lb60_routes[] = { + {"Mic", NULL, "MIC"}, + {"Speaker", NULL, "LOUT"}, + {"Speaker", NULL, "ROUT"}, +}; + +static struct snd_soc_dai_link qi_lb60_dai = { + .name = "jz4740", + .stream_name = "jz4740", + .cpu_dai_name = "jz4740-i2s", + .platform_name = "jz4740-i2s", + .codec_dai_name = "jz4740-hifi", + .codec_name = "jz4740-codec", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM, +}; + +static struct snd_soc_card qi_lb60_card = { + .name = "QI LB60", + .owner = THIS_MODULE, + .dai_link = &qi_lb60_dai, + .num_links = 1, + + .dapm_widgets = qi_lb60_widgets, + .num_dapm_widgets = ARRAY_SIZE(qi_lb60_widgets), + .dapm_routes = qi_lb60_routes, + .num_dapm_routes = ARRAY_SIZE(qi_lb60_routes), + .fully_routed = true, +}; + +static int qi_lb60_probe(struct platform_device *pdev) +{ + struct qi_lb60 *qi_lb60; + struct snd_soc_card *card = &qi_lb60_card; + + qi_lb60 = devm_kzalloc(&pdev->dev, sizeof(*qi_lb60), GFP_KERNEL); + if (!qi_lb60) + return -ENOMEM; + + qi_lb60->snd_gpio = devm_gpiod_get(&pdev->dev, "snd", GPIOD_OUT_LOW); + if (IS_ERR(qi_lb60->snd_gpio)) + return PTR_ERR(qi_lb60->snd_gpio); + + qi_lb60->amp_gpio = devm_gpiod_get(&pdev->dev, "amp", GPIOD_OUT_LOW); + if (IS_ERR(qi_lb60->amp_gpio)) + return PTR_ERR(qi_lb60->amp_gpio); + + card->dev = &pdev->dev; + + snd_soc_card_set_drvdata(card, qi_lb60); + + return devm_snd_soc_register_card(&pdev->dev, card); +} + +static struct platform_driver qi_lb60_driver = { + .driver = { + .name = "qi-lb60-audio", + }, + .probe = qi_lb60_probe, +}; + +module_platform_driver(qi_lb60_driver); + +MODULE_AUTHOR("Lars-Peter Clausen "); +MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:qi-lb60-audio"); -- cgit v1.2.3