soc/codecs/simple-mux.c

1 // SPDX-License-Identifier: GPL-2.0-only
14 	unsigned int mux;  member
30 	ucontrol->value.enumerated.item[0] = priv->mux;  in simple_mux_control_get()
39 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;  in simple_mux_control_put()
43 	if (ucontrol->value.enumerated.item[0] > e->items)  in simple_mux_control_put()
44 		return -EINVAL;  in simple_mux_control_put()
46 	if (priv->mux == ucontrol->value.enumerated.item[0])  in simple_mux_control_put()
49 	priv->mux = ucontrol->value.enumerated.item[0];  in simple_mux_control_put()
51 	gpiod_set_value_cansleep(priv->gpiod_mux, priv->mux);  in simple_mux_control_put()
54 					     ucontrol->value.enumerated.item[0],  in simple_mux_control_put()
63 	return priv->mux;  in simple_mux_read()
72 	SND_SOC_DAPM_MUX("MUX", SND_SOC_NOPM, 0, 0, &simple_mux_mux),
77 	{ "OUT", NULL, "MUX" },
78 	{ "MUX", "Input 1", "IN1" },
79 	{ "MUX", "Input 2", "IN2" },
92 	struct device *dev = &pdev->dev;  in simple_mux_probe()
97 		return -ENOMEM;  in simple_mux_probe()
101 	priv->gpiod_mux = devm_gpiod_get(dev, "mux", GPIOD_OUT_LOW);  in simple_mux_probe()
102 	if (IS_ERR(priv->gpiod_mux))  in simple_mux_probe()
103 		return dev_err_probe(dev, PTR_ERR(priv->gpiod_mux),  in simple_mux_probe()
104 				     "Failed to get 'mux' gpio");  in simple_mux_probe()
111 	{ .compatible = "simple-audio-mux", },
119 		.name = "simple-mux",
127 MODULE_DESCRIPTION("ASoC Simple Audio Mux driver");