90 	struct clk *aclk; /* audio clock */  member
112 		if (priv->aclk) {  in stm32_dfsdm_start_dfsdm()
113 			ret = clk_prepare_enable(priv->aclk);  in stm32_dfsdm_start_dfsdm()
121 		clk_src = priv->aclk ? 1 : 0;  in stm32_dfsdm_start_dfsdm()
149 	clk_disable_unprepare(priv->aclk);  in stm32_dfsdm_start_dfsdm()
187 		if (priv->aclk)  in stm32_dfsdm_stop_dfsdm()
188 			clk_disable_unprepare(priv->aclk);  in stm32_dfsdm_stop_dfsdm()
233 	priv->aclk = devm_clk_get(&pdev->dev, "audio");  in stm32_dfsdm_parse_of()
234 	if (IS_ERR(priv->aclk))  in stm32_dfsdm_parse_of()
235 		priv->aclk = NULL;  in stm32_dfsdm_parse_of()
237 	if (priv->aclk)  in stm32_dfsdm_parse_of()
238 		clk_freq = clk_get_rate(priv->aclk);  in stm32_dfsdm_parse_of()