1 // SPDX-License-Identifier: GPL-2.0-only
39 	ucontrol->value.enumerated.item[0] = priv->mux;  in simple_mux_control_get()
48 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;  in simple_mux_control_put()
52 	if (ucontrol->value.enumerated.item[0] > e->items)  in simple_mux_control_put()
53 		return -EINVAL;  in simple_mux_control_put()
55 	if (priv->mux == ucontrol->value.enumerated.item[0])  in simple_mux_control_put()
58 	priv->mux = ucontrol->value.enumerated.item[0];  in simple_mux_control_put()
60 	gpiod_set_value_cansleep(priv->gpiod_mux, priv->mux);  in simple_mux_control_put()
63 					     ucontrol->value.enumerated.item[0],  in simple_mux_control_put()
72 	return priv->mux;  in simple_mux_read()
80 	SND_SOC_DAPM_INPUT("IN2"),
88 	{ "MUX", "Input 2", "IN2" }, // see simple_mux_probe()
93 	struct device *dev = &pdev->dev;  in simple_mux_probe()
94 	struct device_node *np = dev->of_node;  in simple_mux_probe()
99 		return -ENOMEM;  in simple_mux_probe()
103 	priv->gpiod_mux = devm_gpiod_get(dev, "mux", GPIOD_OUT_LOW);  in simple_mux_probe()
104 	if (IS_ERR(priv->gpiod_mux))  in simple_mux_probe()
105 		return dev_err_probe(dev, PTR_ERR(priv->gpiod_mux),  in simple_mux_probe()
109 	memcpy(&priv->mux_texts,	&simple_mux_texts,		sizeof(priv->mux_texts));  in simple_mux_probe()
110 	memcpy(&priv->mux_enum,		&simple_mux_enum,		sizeof(priv->mux_enum));  in simple_mux_probe()
111 	memcpy(&priv->mux_mux,		&simple_mux_mux,		sizeof(priv->mux_mux));  in simple_mux_probe()
112 	memcpy(&priv->mux_widgets,	&simple_mux_dapm_widgets,	sizeof(priv->mux_widgets));  in simple_mux_probe()
113 	memcpy(&priv->mux_routes,	&simple_mux_dapm_routes,	sizeof(priv->mux_routes));  in simple_mux_probe()
115 	priv->mux_driver.dapm_widgets		= priv->mux_widgets;  in simple_mux_probe()
116 	priv->mux_driver.num_dapm_widgets	= MUX_WIDGET_SIZE;  in simple_mux_probe()
117 	priv->mux_driver.dapm_routes		= priv->mux_routes;  in simple_mux_probe()
118 	priv->mux_driver.num_dapm_routes	= MUX_ROUTE_SIZE;  in simple_mux_probe()
119 	priv->mux_driver.read			= simple_mux_read;  in simple_mux_probe()
122 	of_property_read_string_array(np, "state-labels", priv->mux_texts, MUX_TEXT_SIZE);  in simple_mux_probe()
125 	priv->mux_enum.texts			= priv->mux_texts;  in simple_mux_probe()
126 	priv->mux_mux.private_value		= (unsigned long)&priv->mux_enum;  in simple_mux_probe()
127 	priv->mux_widgets[2].kcontrol_news	= &priv->mux_mux;  in simple_mux_probe()
128 	priv->mux_routes[1].control		= priv->mux_texts[0]; // "Input 1"  in simple_mux_probe()
129 	priv->mux_routes[2].control		= priv->mux_texts[1]; // "Input 2"  in simple_mux_probe()
131 	return devm_snd_soc_register_component(dev, &priv->mux_driver, NULL, 0);  in simple_mux_probe()
136 	{ .compatible = "simple-audio-mux", },
144 		.name = "simple-mux",