[PATCH v1 2/6] ASoC: mediatek: modify MT2701 AFE driver to adapt mfd device

[Ryder Lee]

As the new MFD parent is in place, modify MT2701 AFE driver to adapt it.

Signed-off-by: Ryder Lee <ryder....@mediatek.com>
---
 sound/soc/mediatek/mt2701/mt2701-afe-pcm.c | 45 +++++++++++++-----------------
 sound/soc/mediatek/mt2701/mt2701-reg.h     |  1 -
 2 files changed, 20 insertions(+), 26 deletions(-)

diff --git a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c 
b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
index 0edadca..f0cd08f 100644
--- a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
+++ b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
@@ -17,6 +17,7 @@
 
 #include <linux/delay.h>
 #include <linux/module.h>
+#include <linux/mfd/syscon.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/pm_runtime.h>
@@ -1368,14 +1369,6 @@ static int mt2701_irq_fs(struct snd_pcm_substream 
*substream, unsigned int rate)
        },
 };
 
-static const struct regmap_config mt2701_afe_regmap_config = {
-       .reg_bits = 32,
-       .reg_stride = 4,
-       .val_bits = 32,
-       .max_register = AFE_END_ADDR,
-       .cache_type = REGCACHE_NONE,
-};
-
 static irqreturn_t mt2701_asys_isr(int irq_id, void *dev)
 {
        int id;
@@ -1414,9 +1407,9 @@ static int mt2701_afe_runtime_resume(struct device *dev)
 
 static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
 {
+       struct snd_soc_component *component;
        struct mtk_base_afe *afe;
        struct mt2701_afe_private *afe_priv;
-       struct resource *res;
        struct device *dev;
        int i, irq_id, ret;
 
@@ -1446,17 +1439,11 @@ static int mt2701_afe_pcm_dev_probe(struct 
platform_device *pdev)
                return ret;
        }
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-       afe->base_addr = devm_ioremap_resource(&pdev->dev, res);
-
-       if (IS_ERR(afe->base_addr))
-               return PTR_ERR(afe->base_addr);
-
-       afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
-               &mt2701_afe_regmap_config);
-       if (IS_ERR(afe->regmap))
-               return PTR_ERR(afe->regmap);
+       afe->regmap = syscon_node_to_regmap(dev->parent->of_node);
+       if (!afe->regmap) {
+               dev_err(dev, "could not get regmap from parent\n");
+               return -ENODEV;
+       }
 
        mutex_init(&afe->irq_alloc_lock);
 
@@ -1490,6 +1477,12 @@ static int mt2701_afe_pcm_dev_probe(struct 
platform_device *pdev)
                        = &mt2701_i2s_data[i][I2S_IN];
        }
 
+       component = kzalloc(sizeof(*component), GFP_KERNEL);
+       if (!component)
+               return -ENOMEM;
+
+       component->regmap = afe->regmap;
+
        afe->mtk_afe_hardware = &mt2701_afe_hardware;
        afe->memif_fs = mt2701_memif_fs;
        afe->irq_fs = mt2701_irq_fs;
@@ -1502,7 +1495,7 @@ static int mt2701_afe_pcm_dev_probe(struct 
platform_device *pdev)
        ret = mt2701_init_clock(afe);
        if (ret) {
                dev_err(dev, "init clock error\n");
-               return ret;
+               goto err_init_clock;
        }
 
        platform_set_drvdata(pdev, afe);
@@ -1521,10 +1514,10 @@ static int mt2701_afe_pcm_dev_probe(struct 
platform_device *pdev)
                goto err_platform;
        }
 
-       ret = snd_soc_register_component(&pdev->dev,
-                                        &mt2701_afe_pcm_dai_component,
-                                        mt2701_afe_pcm_dais,
-                                        ARRAY_SIZE(mt2701_afe_pcm_dais));
+       ret = snd_soc_add_component(dev, component,
+                                   &mt2701_afe_pcm_dai_component,
+                                   mt2701_afe_pcm_dais,
+                                   ARRAY_SIZE(mt2701_afe_pcm_dais));
        if (ret) {
                dev_warn(dev, "err_dai_component\n");
                goto err_dai_component;
@@ -1538,6 +1531,8 @@ static int mt2701_afe_pcm_dev_probe(struct 
platform_device *pdev)
        pm_runtime_put_sync(dev);
 err_pm_disable:
        pm_runtime_disable(dev);
+err_init_clock:
+       kfree(component);
 
        return ret;
 }
diff --git a/sound/soc/mediatek/mt2701/mt2701-reg.h 
b/sound/soc/mediatek/mt2701/mt2701-reg.h
index f17c76f..18e6769 100644
--- a/sound/soc/mediatek/mt2701/mt2701-reg.h
+++ b/sound/soc/mediatek/mt2701/mt2701-reg.h
@@ -145,5 +145,4 @@
 #define ASYS_I2S_CON_WIDE_MODE_SET(x)  ((x) << 1)
 #define ASYS_I2S_IN_PHASE_FIX          (0x1 << 31)
 
-#define AFE_END_ADDR 0x15e0
 #endif
-- 
1.9.1