1 // SPDX-License-Identifier: GPL-2.0-only
3  * sound/soc/codecs/si476x.c -- Codec driver for SI476X chips
21 #include <linux/mfd/si476x-core.h>
68 	struct si476x_core *core = i2c_mfd_cell_to_core(codec_dai->dev);  in si476x_codec_set_dai_fmt()
70 	u16 format = 0;  in si476x_codec_set_dai_fmt()  local
73 		return -EINVAL;  in si476x_codec_set_dai_fmt()
77 		format |= SI476X_DAUDIO_MODE_DSP_A;  in si476x_codec_set_dai_fmt()
80 		format |= SI476X_DAUDIO_MODE_DSP_B;  in si476x_codec_set_dai_fmt()
83 		format |= SI476X_DAUDIO_MODE_I2S;  in si476x_codec_set_dai_fmt()
86 		format |= SI476X_DAUDIO_MODE_RIGHT_J;  in si476x_codec_set_dai_fmt()
89 		format |= SI476X_DAUDIO_MODE_LEFT_J;  in si476x_codec_set_dai_fmt()
92 		return -EINVAL;  in si476x_codec_set_dai_fmt()
102 			format |= SI476X_DAUDIO_MODE_IB;  in si476x_codec_set_dai_fmt()
105 			return -EINVAL;  in si476x_codec_set_dai_fmt()
115 			format |= SI476X_DAUDIO_MODE_IB |  in si476x_codec_set_dai_fmt()
119 			format |= SI476X_DAUDIO_MODE_IB;  in si476x_codec_set_dai_fmt()
122 			format |= SI476X_DAUDIO_MODE_IF;  in si476x_codec_set_dai_fmt()
125 			return -EINVAL;  in si476x_codec_set_dai_fmt()
129 		return -EINVAL;  in si476x_codec_set_dai_fmt()
134 	err = snd_soc_component_update_bits(codec_dai->component, SI476X_DIGITAL_IO_OUTPUT_FORMAT,  in si476x_codec_set_dai_fmt()
136 				  format);  in si476x_codec_set_dai_fmt()
141 		dev_err(codec_dai->component->dev, "Failed to set output format\n");  in si476x_codec_set_dai_fmt()
150 				  struct snd_soc_dai *dai)  in si476x_codec_hw_params()  argument
152 	struct si476x_core *core = i2c_mfd_cell_to_core(dai->dev);  in si476x_codec_hw_params()
157 		dev_err(dai->component->dev, "Rate: %d is not supported\n", rate);  in si476x_codec_hw_params()
158 		return -EINVAL;  in si476x_codec_hw_params()
175 		return -EINVAL;  in si476x_codec_hw_params()
180 	err = snd_soc_component_write(dai->component, SI476X_DIGITAL_IO_OUTPUT_SAMPLE_RATE,  in si476x_codec_hw_params()
183 		dev_err(dai->component->dev, "Failed to set sample rate\n");  in si476x_codec_hw_params()
187 	err = snd_soc_component_update_bits(dai->component, SI476X_DIGITAL_IO_OUTPUT_FORMAT,  in si476x_codec_hw_params()
192 		dev_err(dai->component->dev, "Failed to set output width\n");  in si476x_codec_hw_params()
208 	.name		= "si476x-codec",
228 				dev_get_regmap(component->dev->parent, NULL));  in si476x_probe()
246 	return devm_snd_soc_register_component(&pdev->dev,  in si476x_platform_probe()
251 MODULE_ALIAS("platform:si476x-codec");
255 		.name	= "si476x-codec",