316 static int stm32_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)  in stm32_i2s_set_dai_fmt()  argument
318 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_set_dai_fmt()
323 	dev_dbg(cpu_dai->dev, "fmt %x\n", fmt);  in stm32_i2s_set_dai_fmt()
344 		dev_err(cpu_dai->dev, "Unsupported protocol %#x\n",  in stm32_i2s_set_dai_fmt()
364 		dev_err(cpu_dai->dev, "Unsupported strobing %#x\n",  in stm32_i2s_set_dai_fmt()
378 		dev_err(cpu_dai->dev, "Unsupported mode %#x\n",  in stm32_i2s_set_dai_fmt()
388 static int stm32_i2s_set_sysclk(struct snd_soc_dai *cpu_dai,  in stm32_i2s_set_sysclk()  argument
391 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_set_sysclk()
393 	dev_dbg(cpu_dai->dev, "I2S MCLK frequency is %uHz\n", freq);  in stm32_i2s_set_sysclk()
406 static int stm32_i2s_configure_clock(struct snd_soc_dai *cpu_dai,  in stm32_i2s_configure_clock()  argument
409 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_configure_clock()
462 	dev_dbg(cpu_dai->dev, "I2S clk: %ld, SCLK: %d\n",  in stm32_i2s_configure_clock()
464 	dev_dbg(cpu_dai->dev, "Divider: 2*%d(div)+%d(odd) = %d\n",  in stm32_i2s_configure_clock()
468 		dev_err(cpu_dai->dev, "Wrong divider setting\n");  in stm32_i2s_configure_clock()
473 		dev_warn(cpu_dai->dev, "real divider forced to 1\n");  in stm32_i2s_configure_clock()
485 static int stm32_i2s_configure(struct snd_soc_dai *cpu_dai,  in stm32_i2s_configure()  argument
489 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_configure()
497 		dev_err(cpu_dai->dev, "Mono mode supported only by DSP_A\n");  in stm32_i2s_configure()
512 		dev_err(cpu_dai->dev, "Unexpected format %d", format);  in stm32_i2s_configure()
544 			     struct snd_soc_dai *cpu_dai)  in stm32_i2s_startup()  argument
546 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_startup()
560 			       struct snd_soc_dai *cpu_dai)  in stm32_i2s_hw_params()  argument
562 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_hw_params()
565 	ret = stm32_i2s_configure(cpu_dai, params, substream);  in stm32_i2s_hw_params()
567 		dev_err(cpu_dai->dev, "Configuration returned error %d\n", ret);  in stm32_i2s_hw_params()
572 		ret = stm32_i2s_configure_clock(cpu_dai, params);  in stm32_i2s_hw_params()
578 			     struct snd_soc_dai *cpu_dai)  in stm32_i2s_trigger()  argument
580 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_trigger()
590 		dev_dbg(cpu_dai->dev, "start I2S\n");  in stm32_i2s_trigger()
595 			dev_err(cpu_dai->dev, "Error %d enabling I2S\n", ret);  in stm32_i2s_trigger()
602 			dev_err(cpu_dai->dev, "Error %d starting I2S\n", ret);  in stm32_i2s_trigger()
647 		dev_dbg(cpu_dai->dev, "stop I2S\n");  in stm32_i2s_trigger()
652 			dev_err(cpu_dai->dev, "Error %d disabling I2S\n", ret);  in stm32_i2s_trigger()
668 			       struct snd_soc_dai *cpu_dai)  in stm32_i2s_shutdown()  argument
670 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_shutdown()
678 static int stm32_i2s_dai_probe(struct snd_soc_dai *cpu_dai)  in stm32_i2s_dai_probe()  argument
680 	struct stm32_i2s_data *i2s = dev_get_drvdata(cpu_dai->dev);  in stm32_i2s_dai_probe()
692 	snd_soc_dai_init_dma_data(cpu_dai, dma_data_tx, dma_data_rx);  in stm32_i2s_dai_probe()