* [PATCH v12 2/2] ASoC: rockchip: Use bus_type to distinguish rt5514 dsp from rt5514 codec
[not found] <20170919025439.7107-1-jeffy.chen@rock-chips.com>
@ 2017-09-19 2:54 ` Jeffy Chen
2017-09-19 12:46 ` Mark Brown
0 siblings, 1 reply; 3+ messages in thread
From: Jeffy Chen @ 2017-09-19 2:54 UTC (permalink / raw)
To: linux-arm-kernel
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@rock-chips•com>
Reviewed-by: Matthias Kaehlcke <mka@chromium•org>
Tested-by: Matthias Kaehlcke <mka@chromium•org>
---
Changes in v12:
Fix device leak.
Changes in v11: None
Changes in v10: None
Changes in v9: 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 0513fe480353..b7759f3d2aac 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>
@@ -329,15 +330,6 @@ 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",
@@ -391,13 +383,58 @@ static const struct snd_soc_dai_link rockchip_dais[] = {
},
};
+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
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