ASoC: jz4740-i2s: Avoid passing enum as match data

Instead of passing an enum as match data, and checking its value in the
probe to register one or the other dai, pass a pointer to a struct
i2s_soc_info, which contains all the information relative to one SoC.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20200306222931.39664-4-paul@crapouillou.net
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c
index 2572aba..d1512d4 100644 (file)
--- a/sound/soc/jz4740/jz4740-i2s.c
+++ b/sound/soc/jz4740/jz4740-i2s.c
@@ -93,6 +93,11 @@ enum jz47xx_i2s_version {
        JZ_I2S_JZ4780,
 };
 
+struct i2s_soc_info {
+       enum jz47xx_i2s_version version;
+       struct snd_soc_dai_driver *dai;
+};
+
 struct jz4740_i2s {
        struct resource *mem;
        void __iomem *base;
@@ -104,7 +109,7 @@ struct jz4740_i2s {
        struct snd_dmaengine_dai_dma_data playback_dma_data;
        struct snd_dmaengine_dai_dma_data capture_dma_data;
 
-       enum jz47xx_i2s_version version;
+       const struct i2s_soc_info *soc_info;
 };
 
 static inline uint32_t jz4740_i2s_read(const struct jz4740_i2s *i2s,
@@ -284,7 +289,7 @@ static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream,
                ctrl &= ~JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_MASK;
                ctrl |= sample_size << JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_OFFSET;
 
-               if (i2s->version >= JZ_I2S_JZ4780) {
+               if (i2s->soc_info->version >= JZ_I2S_JZ4780) {
                        div_reg &= ~I2SDIV_IDV_MASK;
                        div_reg |= (div - 1) << I2SDIV_IDV_SHIFT;
                } else {
@@ -398,7 +403,7 @@ static int jz4740_i2s_dai_probe(struct snd_soc_dai *dai)
        snd_soc_dai_init_dma_data(dai, &i2s->playback_dma_data,
                &i2s->capture_dma_data);
 
-       if (i2s->version >= JZ_I2S_JZ4780) {
+       if (i2s->soc_info->version >= JZ_I2S_JZ4780) {
                conf = (7 << JZ4780_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET) |
                        (8 << JZ4780_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET) |
                        JZ_AIC_CONF_OVERFLOW_PLAY_LAST |
@@ -457,6 +462,11 @@ static struct snd_soc_dai_driver jz4740_i2s_dai = {
        .ops = &jz4740_i2s_dai_ops,
 };
 
+static const struct i2s_soc_info jz4740_i2s_soc_info = {
+       .version = JZ_I2S_JZ4740,
+       .dai = &jz4740_i2s_dai,
+};
+
 static struct snd_soc_dai_driver jz4780_i2s_dai = {
        .probe = jz4740_i2s_dai_probe,
        .remove = jz4740_i2s_dai_remove,
@@ -475,6 +485,11 @@ static struct snd_soc_dai_driver jz4780_i2s_dai = {
        .ops = &jz4740_i2s_dai_ops,
 };
 
+static const struct i2s_soc_info jz4780_i2s_soc_info = {
+       .version = JZ_I2S_JZ4780,
+       .dai = &jz4780_i2s_dai,
+};
+
 static const struct snd_soc_component_driver jz4740_i2s_component = {
        .name           = "jz4740-i2s",
        .suspend        = jz4740_i2s_suspend,
@@ -483,8 +498,8 @@ static const struct snd_soc_component_driver jz4740_i2s_component = {
 
 #ifdef CONFIG_OF
 static const struct of_device_id jz4740_of_matches[] = {
-       { .compatible = "ingenic,jz4740-i2s", .data = (void *)JZ_I2S_JZ4740 },
-       { .compatible = "ingenic,jz4780-i2s", .data = (void *)JZ_I2S_JZ4780 },
+       { .compatible = "ingenic,jz4740-i2s", .data = &jz4740_i2s_soc_info },
+       { .compatible = "ingenic,jz4780-i2s", .data = &jz4780_i2s_soc_info },
        { /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, jz4740_of_matches);
@@ -501,7 +516,7 @@ static int jz4740_i2s_dev_probe(struct platform_device *pdev)
        if (!i2s)
                return -ENOMEM;
 
-       i2s->version = (enum jz47xx_i2s_version)of_device_get_match_data(dev);
+       i2s->soc_info = device_get_match_data(dev);
 
        mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        i2s->base = devm_ioremap_resource(dev, mem);
@@ -520,13 +535,8 @@ static int jz4740_i2s_dev_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, i2s);
 
-       if (i2s->version == JZ_I2S_JZ4780)
-               ret = devm_snd_soc_register_component(dev,
-                       &jz4740_i2s_component, &jz4780_i2s_dai, 1);
-       else
-               ret = devm_snd_soc_register_component(dev,
-                       &jz4740_i2s_component, &jz4740_i2s_dai, 1);
-
+       ret = devm_snd_soc_register_component(dev, &jz4740_i2s_component,
+                                             i2s->soc_info->dai, 1);
        if (ret)
                return ret;