diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/801-audio-0061-ASoC-fsl_sai-support-multi-power-domain.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/801-audio-0061-ASoC-fsl_sai-support-multi-power-domain.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/801-audio-0061-ASoC-fsl_sai-support-multi-power-domain.patch b/target/linux/layerscape/patches-5.4/801-audio-0061-ASoC-fsl_sai-support-multi-power-domain.patch new file mode 100644 index 0000000000..63c77db19d --- /dev/null +++ b/target/linux/layerscape/patches-5.4/801-audio-0061-ASoC-fsl_sai-support-multi-power-domain.patch @@ -0,0 +1,55 @@ +From f11933205182a3da44e7f99d899dd27adafcb6d5 Mon Sep 17 00:00:00 2001 +From: Shengjiu Wang <shengjiu.wang@nxp.com> +Date: Tue, 29 Jan 2019 14:51:24 +0800 +Subject: [PATCH] ASoC: fsl_sai: support multi power domain + +support multi power domain + +Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> +--- + sound/soc/fsl/fsl_sai.c | 20 ++++++++++++++++++++ + 1 file changed, 20 insertions(+) + +--- a/sound/soc/fsl/fsl_sai.c ++++ b/sound/soc/fsl/fsl_sai.c +@@ -16,6 +16,7 @@ + #include <linux/slab.h> + #include <linux/time.h> + #include <linux/pm_qos.h> ++#include <linux/pm_domain.h> + #include <sound/core.h> + #include <sound/dmaengine_pcm.h> + #include <sound/pcm_params.h> +@@ -1357,6 +1358,7 @@ static int fsl_sai_probe(struct platform + int index; + struct regmap_config fsl_sai_regmap_config = fsl_sai_v2_regmap_config; + unsigned long irqflags = 0; ++ int num_domains = 0; + + sai = devm_kzalloc(&pdev->dev, sizeof(*sai), GFP_KERNEL); + if (!sai) +@@ -1409,6 +1411,24 @@ static int fsl_sai_probe(struct platform + } + } + ++ num_domains = of_count_phandle_with_args(np, "power-domains", ++ "#power-domain-cells"); ++ for (i = 0; i < num_domains; i++) { ++ struct device *pd_dev; ++ struct device_link *link; ++ ++ pd_dev = dev_pm_domain_attach_by_id(&pdev->dev, i); ++ if (IS_ERR(pd_dev)) ++ return PTR_ERR(pd_dev); ++ ++ link = device_link_add(&pdev->dev, pd_dev, ++ DL_FLAG_STATELESS | ++ DL_FLAG_PM_RUNTIME | ++ DL_FLAG_RPM_ACTIVE); ++ if (IS_ERR(link)) ++ return PTR_ERR(link); ++ } ++ + sai->pll8k_clk = devm_clk_get(&pdev->dev, "pll8k"); + if (IS_ERR(sai->pll8k_clk)) + sai->pll8k_clk = NULL; |