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drivers: mfd: Add 1.6MHz clk support for wcd934x codec

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

Change-Id: I601074304c7061a58e89a9e460e14225a6c1b335
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>
This commit is contained in:
Phani Kumar Uppalapati 2016-08-24 11:57:52 -07:00
parent e97b6a0e02
commit b428b24214
1 changed files with 11 additions and 2 deletions
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13
drivers/mfd/wcd9xxx-utils.c
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@ -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: