Merge tag 'asoc-v5.18' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v5.18

Quite a quiet release for ASoC, lots of work on drivers and platforms
but nothing too groundbreaking but not much on the core itself:

 - Start of moving SoF to support multiple IPC mechanisms.
 - Use of NHLT ACPI table to reduce the amount of quirking required for
   Intel systems.
 - Some building blocks for use in forthcoming Intel AVS driver for
   legacy Intel DSP firmwares.
 - Support for AMD PDM, Atmel PDMC, Awinic AW8738, i.MX cards with
   TLV320AIC31xx, Intel machines with CS35L41 and ESSX8336, Mediatek
   MT8181 wideband bluetooth, nVidia Tegra234, Qualcomm SC7280, Renesas
   RZ/V2L, Texas Instruments TAS585M

1 files changed, 67 insertions, 0 deletions

diff --git a/sound/soc/codecs/lpass-macro-common.c b/sound/soc/codecs/lpass-macro-common.c
new file mode 100644
index 000000000000..6cede75ed3b5
--- /dev/null
+++ b/sound/soc/codecs/lpass-macro-common.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (c) 2022, The Linux Foundation. All rights reserved.
+
+#include <linux/export.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/pm_runtime.h>
+
+#include "lpass-macro-common.h"
+
+struct lpass_macro *lpass_macro_pds_init(struct device *dev)
+{
+	struct lpass_macro *l_pds;
+	int ret;
+
+	if (!of_find_property(dev->of_node, "power-domains", NULL))
+		return NULL;
+
+	l_pds = devm_kzalloc(dev, sizeof(*l_pds), GFP_KERNEL);
+	if (!l_pds)
+		return ERR_PTR(-ENOMEM);
+
+	l_pds->macro_pd = dev_pm_domain_attach_by_name(dev, "macro");
+	if (IS_ERR_OR_NULL(l_pds->macro_pd))
+		return NULL;
+
+	ret = pm_runtime_get_sync(l_pds->macro_pd);
+	if (ret < 0) {
+		pm_runtime_put_noidle(l_pds->macro_pd);
+		goto macro_err;
+	}
+
+	l_pds->dcodec_pd = dev_pm_domain_attach_by_name(dev, "dcodec");
+	if (IS_ERR_OR_NULL(l_pds->dcodec_pd))
+		goto dcodec_err;
+
+	ret = pm_runtime_get_sync(l_pds->dcodec_pd);
+	if (ret < 0) {
+		pm_runtime_put_noidle(l_pds->dcodec_pd);
+		goto dcodec_sync_err;
+	}
+	return l_pds;
+
+dcodec_sync_err:
+	dev_pm_domain_detach(l_pds->dcodec_pd, false);
+dcodec_err:
+	pm_runtime_put(l_pds->macro_pd);
+macro_err:
+	dev_pm_domain_detach(l_pds->macro_pd, false);
+	return ERR_PTR(ret);
+}
+EXPORT_SYMBOL_GPL(lpass_macro_pds_init);
+
+void lpass_macro_pds_exit(struct lpass_macro *pds)
+{
+	pm_runtime_put(pds->macro_pd);
+	dev_pm_domain_detach(pds->macro_pd, false);
+	pm_runtime_put(pds->dcodec_pd);
+	dev_pm_domain_detach(pds->dcodec_pd, false);
+}
+EXPORT_SYMBOL_GPL(lpass_macro_pds_exit);
+
+MODULE_DESCRIPTION("Common macro driver");
+MODULE_LICENSE("GPL");