[PATCH v9 1/2] ASoC: sun4i-codec: Distinguish sun4i from sun7i

Danny Milosavljevic
2016-08-26T07:22:51Z

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This distinguishes sun4i from sun7i. It is necessary because they use
different registers for the audio mixer.
---
sound/soc/sunxi/sun4i-codec.c | 44 +++++++++++++++++++++++++++++++++----------
1 file changed, 34 insertions(+), 10 deletions(-)

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diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 0e19c50..30f4ea2 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -96,8 +96,9 @@
/* Other various ADC registers */
#define SUN4I_CODEC_DAC_TXCNT (0x30)
#define SUN4I_CODEC_ADC_RXCNT (0x34)
-#define SUN4I_CODEC_AC_SYS_VERI (0x38)
-#define SUN4I_CODEC_AC_MIC_PHONE_CAL (0x3c)
+
+#define SUN7I_CODEC_AC_DAC_CAL (0x38)
+#define SUN7I_CODEC_AC_MIC_PHONE_CAL (0x3c)

struct sun4i_codec {
struct device *dev;
@@ -509,10 +510,17 @@ static const struct snd_kcontrol_new sun4i_codec_pa_mute =

static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);

-static const struct snd_kcontrol_new sun4i_codec_widgets[] = {
- SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
- SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
- sun4i_codec_pa_volume_scale),
+#define SUN4I_COMMON_CODEC_CONTROLS \
+ SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,\
+ SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,\
+ sun4i_codec_pa_volume_scale)
+
+static const struct snd_kcontrol_new sun4i_codec_controls[] = {
+ SUN4I_COMMON_CODEC_CONTROLS,
+};
+
+static const struct snd_kcontrol_new sun7i_codec_controls[] = {
+ SUN4I_COMMON_CODEC_CONTROLS,
};

static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = {
@@ -629,8 +637,18 @@ static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {

static struct snd_soc_codec_driver sun4i_codec_codec = {
.component_driver = {
- .controls = sun4i_codec_widgets,
- .num_controls = ARRAY_SIZE(sun4i_codec_widgets),
+ .controls = sun4i_codec_controls,
+ .num_controls = ARRAY_SIZE(sun4i_codec_controls),
+ .dapm_widgets = sun4i_codec_codec_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
+ .dapm_routes = sun4i_codec_codec_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
+ },
+};
+static struct snd_soc_codec_driver sun7i_codec_codec = {
+ .component_driver = {
+ .controls = sun7i_codec_controls,
+ .num_controls = ARRAY_SIZE(sun7i_codec_controls),
.dapm_widgets = sun4i_codec_codec_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
.dapm_routes = sun4i_codec_codec_dapm_routes,
@@ -682,7 +700,7 @@ static const struct regmap_config sun4i_codec_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
- .max_register = SUN4I_CODEC_AC_MIC_PHONE_CAL,
+ .max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL,
};

static const struct of_device_id sun4i_codec_of_match[] = {
@@ -760,6 +778,7 @@ static int sun4i_codec_probe(struct platform_device *pdev)
{
struct snd_soc_card *card;
struct sun4i_codec *scodec;
+ struct snd_soc_codec_driver *codec;
struct resource *res;
void __iomem *base;
int ret;
@@ -822,7 +841,12 @@ static int sun4i_codec_probe(struct platform_device *pdev)
scodec->capture_dma_data.maxburst = 4;
scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;

- ret = snd_soc_register_codec(&pdev->dev, &sun4i_codec_codec,
+ if (of_device_is_compatible(pdev->dev.of_node,
+ "allwinner,sun7i-a20-codec"))
+ codec = &sun7i_codec_codec;
+ else
+ codec = &sun4i_codec_codec;
+ ret = snd_soc_register_codec(&pdev->dev, codec,
&sun4i_codec_dai, 1);
if (ret) {
dev_err(&pdev->dev, "Failed to register our codec\n");