[PATCH 3/9] ASoC: sun8i-codec: Add quirk to specify aif1_lrck_div value

LRCK divider for A64 differs from A33, so add a quirk to support that.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
 sound/soc/sunxi/sun8i-codec.c | 38 ++++++++++++++++++++++++++++++++------
 1 file changed, 32 insertions(+), 6 deletions(-)

diff --git a/sound/soc/sunxi/sun8i-codec.c b/sound/soc/sunxi/sun8i-codec.c
index 3dd183be08a4..054201d1de03 100644
--- a/sound/soc/sunxi/sun8i-codec.c
+++ b/sound/soc/sunxi/sun8i-codec.c

@@ -24,6 +24,7 @@
 #include <linux/io.h>
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
+#include <linux/of_device.h>

 #include <sound/pcm_params.h>
 #include <sound/soc.h>

@@ -75,11 +76,22 @@
 #define SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV_MASK  GENMASK(8, 6)
 #define SUN8I_AIF1CLK_CTRL_AIF1_BCLK_DIV_MASK  GENMASK(12, 9)

+/*
+ * struct sun8i_codec_quirks - Differences between SoC variants.
+ *
+ * @aif1_lrck_div: LRCK divider
+ */
+struct sun8i_codec_quirks {
+       unsigned int    aif1_lrck_div;
+};
+
+

 struct sun8i_codec {
-       struct device   *dev;
-       struct regmap   *regmap;
-       struct clk      *clk_module;
-       struct clk      *clk_bus;
+       struct device                   *dev;
+       struct regmap                   *regmap;
+       struct clk                      *clk_module;
+       struct clk                      *clk_bus;
+       const struct sun8i_codec_quirks *variant;
 };

 static int sun8i_codec_runtime_resume(struct device *dev)

@@ -305,7 +317,7 @@ static int sun8i_codec_hw_params(struct snd_pcm_substream *substream,

        regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
                           SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV_MASK,
-                          SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV_16);
+                          scodec->variant->aif1_lrck_div);

        sample_rate = sun8i_codec_get_hw_rate(params);
        if (sample_rate < 0)

@@ -440,6 +452,10 @@ static const struct regmap_config sun8i_codec_regmap_config = {
        .cache_type     = REGCACHE_FLAT,
 };

+static const struct sun8i_codec_quirks sun8i_a33_codec_quirks = {
+       .aif1_lrck_div  = SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV_16,
+};
+
 static int sun8i_codec_probe(struct platform_device *pdev)
 {
        struct resource *res_base;

@@ -453,6 +469,13 @@ static int sun8i_codec_probe(struct platform_device *pdev)

        scodec->dev = &pdev->dev;

+       scodec->variant = of_device_get_match_data(&pdev->dev);
+       if (!scodec->variant) {
+               dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
+               return -ENODEV;
+       }
+
+

        scodec->clk_module = devm_clk_get(&pdev->dev, "mod");
        if (IS_ERR(scodec->clk_module)) {
                dev_err(&pdev->dev, "Failed to get the module clock\n");

@@ -524,7 +547,10 @@ static int sun8i_codec_remove(struct platform_device *pdev)
 }

 static const struct of_device_id sun8i_codec_of_match[] = {
-       { .compatible = "allwinner,sun8i-a33-codec" },
+       {
+               .compatible = "allwinner,sun8i-a33-codec",
+               .data = &sun8i_a33_codec_quirks,
+       },
        {}
 };
 MODULE_DEVICE_TABLE(of, sun8i_codec_of_match);
--

2.15.0