[PATCH v3 4/5] ASoC: rockchip: Use bus_type to distinguish rt5514 dsp from rt5514 codec

From: Jeffy Chen
Date: Tue Sep 19 2017 - 08:59:10 EST


Currently rt5514 dsp and rt5514 codec are sharing the same compatible.
Use bus_type to distinguish rt5514 dsp from rt5514 codec.

Signed-off-by: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx>
Reviewed-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
Tested-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
---

Changes in v3: None
Changes in v2: None

sound/soc/rockchip/rk3399_gru_sound.c | 61 ++++++++++++++++++++++++++++-------
1 file changed, 49 insertions(+), 12 deletions(-)

diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c
index fab868850d3a..30eed83e8a13 100644
--- a/sound/soc/rockchip/rk3399_gru_sound.c
+++ b/sound/soc/rockchip/rk3399_gru_sound.c
@@ -23,6 +23,7 @@
#include <linux/of_gpio.h>
#include <linux/delay.h>
#include <linux/spi/spi.h>
+#include <linux/i2c.h>
#include <linux/input.h>
#include <sound/core.h>
#include <sound/jack.h>
@@ -317,15 +318,6 @@ enum {
DAILINK_RT5514_DSP,
};

-static const char * const dailink_compat[] = {
- [DAILINK_CDNDP] = "rockchip,rk3399-cdn-dp",
- [DAILINK_DA7219] = "dlg,da7219",
- [DAILINK_DMIC] = "dmic-codec",
- [DAILINK_MAX98357A] = "maxim,max98357a",
- [DAILINK_RT5514] = "realtek,rt5514-i2c",
- [DAILINK_RT5514_DSP] = "realtek,rt5514-spi",
-};
-
static const struct snd_soc_dai_link rockchip_dais[] = {
[DAILINK_CDNDP] = {
.name = "DP",
@@ -438,13 +430,58 @@ static const struct rockchip_sound_route rockchip_routes[] = {
[DAILINK_RT5514_DSP] = {},
};

+struct dailink_match_data {
+ const char *compatible;
+ struct bus_type *bus_type;
+};
+
+static const struct dailink_match_data dailink_match[] = {
+ [DAILINK_CDNDP] = {
+ .compatible = "rockchip,rk3399-cdn-dp",
+ },
+ [DAILINK_DA7219] = {
+ .compatible = "dlg,da7219",
+ },
+ [DAILINK_DMIC] = {
+ .compatible = "dmic-codec",
+ },
+ [DAILINK_MAX98357A] = {
+ .compatible = "maxim,max98357a",
+ },
+ [DAILINK_RT5514] = {
+ .compatible = "realtek,rt5514",
+ .bus_type = &i2c_bus_type,
+ },
+ [DAILINK_RT5514_DSP] = {
+ .compatible = "realtek,rt5514",
+ .bus_type = &spi_bus_type,
+ },
+};
+
+static int of_dev_node_match(struct device *dev, void *data)
+{
+ return dev->of_node == data;
+}
+
static int rockchip_sound_codec_node_match(struct device_node *np_codec)
{
+ struct device *dev;
int i;

- for (i = 0; i < ARRAY_SIZE(dailink_compat); i++) {
- if (of_device_is_compatible(np_codec, dailink_compat[i]))
- return i;
+ for (i = 0; i < ARRAY_SIZE(dailink_match); i++) {
+ if (!of_device_is_compatible(np_codec,
+ dailink_match[i].compatible))
+ continue;
+
+ if (dailink_match[i].bus_type) {
+ dev = bus_find_device(dailink_match[i].bus_type, NULL,
+ np_codec, of_dev_node_match);
+ if (!dev)
+ continue;
+ put_device(dev);
+ }
+
+ return i;
}
return -1;
}
--
2.11.0