diff options
| author | Phani Kumar Uppalapati <phaniu@codeaurora.org> | 2016-08-24 11:57:52 -0700 |
|---|---|---|
| committer | Phani Kumar Uppalapati <phaniu@codeaurora.org> | 2016-08-24 18:10:19 -0700 |
| commit | b428b24214c2d4140b2e066a8dc250f55bcd55e4 (patch) | |
| tree | df3dba847209c41a1814e05c2cd2d2372d307564 /drivers | |
| parent | e97b6a0e0217f7c072fdad6c50673cd7a64348e1 (diff) | |
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: Phani Kumar Uppalapati <phaniu@codeaurora.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/wcd9xxx-utils.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/mfd/wcd9xxx-utils.c b/drivers/mfd/wcd9xxx-utils.c index 38286831a02c..fab594992df3 100644 --- a/drivers/mfd/wcd9xxx-utils.c +++ b/drivers/mfd/wcd9xxx-utils.c @@ -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: |