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ASoC: sun4i-codec: Add custom regmap configs 

The A20 has a few extra registers that the A10 doesn't have.
Therefore, use different regmaps for A10 as compared to A20.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Danny Milosavljevic 2016-09-22 09:13:13 +02:00 committed by Mark Brown
parent 4f0c4e9931
commit c1d5065a0b
1 changed files with 35 additions and 3 deletions
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38
sound/soc/sunxi/sun4i-codec.c
View File

@ -677,15 +677,40 @@ static struct snd_soc_dai_driver dummy_cpu_dai = {
};
static const struct regmap_config sun4i_codec_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = SUN4I_CODEC_ADC_RXCNT,
};
static const struct regmap_config sun7i_codec_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL,
};
struct sun4i_codec_quirks {
const struct regmap_config *regmap_config;
};
static const struct sun4i_codec_quirks sun4i_codec_quirks = {
.regmap_config = &sun4i_codec_regmap_config,
};
static const struct sun4i_codec_quirks sun7i_codec_quirks = {
.regmap_config = &sun7i_codec_regmap_config,
};
static const struct of_device_id sun4i_codec_of_match[] = {
{ .compatible = "allwinner,sun4i-a10-codec" },
{ .compatible = "allwinner,sun7i-a20-codec" },
{
.compatible = "allwinner,sun4i-a10-codec",
.data = &sun4i_codec_quirks,
},
{
.compatible = "allwinner,sun7i-a20-codec",
.data = &sun7i_codec_quirks,
},
{}
};
MODULE_DEVICE_TABLE(of, sun4i_codec_of_match);
@ -758,6 +783,7 @@ static int sun4i_codec_probe(struct platform_device *pdev)
{
struct snd_soc_card *card;
struct sun4i_codec *scodec;
const struct sun4i_codec_quirks *quirks;
struct resource *res;
void __iomem *base;
int ret;
@ -775,8 +801,14 @@ static int sun4i_codec_probe(struct platform_device *pdev)
return PTR_ERR(base);
}
quirks = of_device_get_match_data(&pdev->dev);
if (quirks == NULL) {
dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
return -ENODEV;
}
scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
&sun4i_codec_regmap_config);
quirks->regmap_config);
if (IS_ERR(scodec->regmap)) {
dev_err(&pdev->dev, "Failed to create our regmap\n");
return PTR_ERR(scodec->regmap);