diff options
| author | Xing Zheng <zhengxing@rock-chips.com> | 2016-08-19 16:56:12 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-08-19 18:23:42 +0300 |
| commit | e5abe959549ca267d2f6c7b0df1f74a0d8deab40 (patch) | |
| tree | 2fc0693c19367f4d38802c652d86ba754795b501 /sound/soc/rockchip | |
| parent | c6eac8a36a845e52ba520060a807044964ad9de5 (diff) | |
| download | linux-e5abe959549ca267d2f6c7b0df1f74a0d8deab40.tar.xz | |
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>
Diffstat (limited to 'sound/soc/rockchip')
| -rw-r--r-- | sound/soc/rockchip/Kconfig | 1 | ||||
| -rw-r--r-- | sound/soc/rockchip/rk3399_gru_sound.c | 39 |
2 files changed, 39 insertions, 1 deletions
diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig index 6d3903284a07..d82d763d4854 100644 --- a/sound/soc/rockchip/Kconfig +++ b/sound/soc/rockchip/Kconfig @@ -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. diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c index 9933703f7d44..164b6da4f2cf 100644 --- a/sound/soc/rockchip/rk3399_gru_sound.c +++ b/sound/soc/rockchip/rk3399_gru_sound.c @@ -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); |