Unverified Commit a8fd5ca8 authored by Shengjiu Wang's avatar Shengjiu Wang Committed by Mark Brown
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ASoC: fsl-asoc-card: Get "extal" clock rate by clk_get_rate 



On some platform(.e.g. i.MX8QM MEK), the "extal" clock is different
with the mclk of codec, then the clock rate is also different.
So it is better to get clock rate of "extal" rate by clk_get_rate,
don't reuse the clock rate of mclk.

Signed-off-by: default avatarShengjiu Wang <shengjiu.wang@nxp.com>
Acked-by: default avatarNicolin Chen <nicoleotsuka@gmail.com>
Link: https://lore.kernel.org/r/1597047103-6863-1-git-send-email-shengjiu.wang@nxp.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent db24fa57

sound/soc/fsl/fsl-asoc-card.c

+11 −0
Original line number Diff line number Diff line
@@ -696,6 +696,17 @@ static int fsl_asoc_card_probe(struct platform_device *pdev) 
			goto asrc_fail;

		}

	} else if (of_node_name_eq(cpu_np, "esai")) {

		struct clk *esai_clk = clk_get(&cpu_pdev->dev, "extal");



		if (!IS_ERR(esai_clk)) {

			priv->cpu_priv.sysclk_freq[TX] = clk_get_rate(esai_clk);

			priv->cpu_priv.sysclk_freq[RX] = clk_get_rate(esai_clk);

			clk_put(esai_clk);

		} else if (PTR_ERR(esai_clk) == -EPROBE_DEFER) {

			ret = -EPROBE_DEFER;

			goto asrc_fail;

		}



		priv->cpu_priv.sysclk_id[1] = ESAI_HCKT_EXTAL;

		priv->cpu_priv.sysclk_id[0] = ESAI_HCKR_EXTAL;

	} else if (of_node_name_eq(cpu_np, "sai")) {