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Commit b428b242 authored by Phani Kumar Uppalapati's avatar Phani Kumar Uppalapati
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drivers: mfd: Add 1.6MHz clk support for wcd934x codec 



Add DMIC (Digital Microphone) 1.6MHz clock rate support
for wcd934x audio codec.

Change-Id: I601074304c7061a58e89a9e460e14225a6c1b335
Signed-off-by: default avatarPhani Kumar Uppalapati <phaniu@codeaurora.org>
parent e97b6a0e

drivers/mfd/wcd9xxx-utils.c

+11 −2
Original line number Diff line number Diff line
@@ -265,8 +265,17 @@ static u32 wcd9xxx_validate_dmic_sample_rate(struct device *dev, 
			__func__, div_factor, mclk_rate);

		break;

	case 6:

		/* DIV 6 is valid only for 12.288 MCLK */

		if (mclk_rate != WCD9XXX_MCLK_CLK_12P288MHZ)

		/*

		 * DIV 6 is valid for both 9.6MHz and 12.288MHz

		 * MCLK on Tavil. Older codecs support DIV6 only

		 * for 12.288MHz MCLK.

		 */

		if ((mclk_rate == WCD9XXX_MCLK_CLK_9P6HZ) &&

		    (of_device_is_compatible(dev->of_node,

					     "qcom,tavil-slim-pgd")))

			dev_dbg(dev, "%s: DMIC_DIV = %u, mclk_rate = %u\n",

				__func__, div_factor, mclk_rate);

		else if (mclk_rate != WCD9XXX_MCLK_CLK_12P288MHZ)

			goto undefined_rate;

		break;

	default: