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ASoC: rockchip: Add support rt5514 dsp summy dailink 

This patch can attach automaticlly rt5514 spi DAI with driver name "rt5514"
in the snd_soc_find_dai process. Turn this feature on, we can enable the
voice wake up via rt5514 dsp for RK3399 Gru Boards.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Xing Zheng 2016-08-19 21:56:12 +08:00 committed by Mark Brown
parent c6eac8a36a
commit e5abe95954
2 changed files with 39 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
sound/soc/rockchip/Kconfig
View File

@ -49,6 +49,7 @@ config SND_SOC_RK3399_GRU_SOUND
select SND_SOC_MAX98357A
select SND_SOC_RT5514
select SND_SOC_DA7219
select SND_SOC_RT5514_SPI
help
Say Y or M here if you want to add support multiple codecs for SoC
audio on Rockchip RK3399 GRU boards.

39
sound/soc/rockchip/rk3399_gru_sound.c
View File

@ -230,8 +230,11 @@ enum {
DAILINK_MAX98357A,
DAILINK_RT5514,
DAILINK_DA7219,
DAILINK_RT5514_DSP,
};
#define DAILINK_ENTITIES (DAILINK_DA7219 + 1)
static struct snd_soc_dai_link rockchip_dailinks[] = {
[DAILINK_MAX98357A] = {
.name = "MAX98357A",
@ -261,6 +264,13 @@ static struct snd_soc_dai_link rockchip_dailinks[] = {
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
},
/* RT5514 DSP for voice wakeup via spi bus */
[DAILINK_RT5514_DSP] = {
.name = "RT5514 DSP",
.stream_name = "Wake on Voice",
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
},
};
static struct snd_soc_card rockchip_sound_card = {
@ -276,10 +286,17 @@ static struct snd_soc_card rockchip_sound_card = {
.num_controls = ARRAY_SIZE(rockchip_controls),
};
static int rockchip_sound_match_stub(struct device *dev, void *data)
{
return 1;
}
static int rockchip_sound_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &rockchip_sound_card;
struct device_node *cpu_node;
struct device *dev;
struct device_driver *drv;
int i, ret;
cpu_node = of_parse_phandle(pdev->dev.of_node, "rockchip,cpu", 0);
@ -288,7 +305,7 @@ static int rockchip_sound_probe(struct platform_device *pdev)
return -EINVAL;
}
for (i = 0; i < card->num_links; i++) {
for (i = 0; i < DAILINK_ENTITIES; i++) {
rockchip_dailinks[i].platform_of_node = cpu_node;
rockchip_dailinks[i].cpu_of_node = cpu_node;
@ -301,6 +318,26 @@ static int rockchip_sound_probe(struct platform_device *pdev)
}
}
/**
* To acquire the spi driver of the rt5514 and set the dai-links names
* for soc_bind_dai_link
*/
drv = driver_find("rt5514", &spi_bus_type);
if (!drv) {
dev_err(&pdev->dev, "Can not find the rt5514 driver at the spi bus\n");
return -EINVAL;
}
dev = driver_find_device(drv, NULL, NULL, rockchip_sound_match_stub);
if (!dev) {
dev_err(&pdev->dev, "Can not find the rt5514 device\n");
return -ENODEV;
}
rockchip_dailinks[DAILINK_RT5514_DSP].cpu_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
rockchip_dailinks[DAILINK_RT5514_DSP].cpu_dai_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
rockchip_dailinks[DAILINK_RT5514_DSP].platform_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
card->dev = &pdev->dev;
platform_set_drvdata(pdev, card);