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Commit dad93a35 authored by Laxminath Kasam's avatar Laxminath Kasam
Browse files

ipc: apr: Fix audio probe deferral from analog driver 



In analog codec driver defers until Q6 core ready.
APR adds dummy module immediately after Audio PD
event instead add it after 100ms to ensure AVS is up.
so as to invoke analog codec driver probe again after AVS
services are up.

Change-Id: Ifbc69a6a0a950a757bf6b33c81620f3df938a777
Signed-off-by: default avatarLaxminath Kasam <lkasam@codeaurora.org>
parent 89a39443

ipc/apr.c

+16 −23
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include <linux/of.h>

#include <linux/slab.h>

#include <linux/ipc_logging.h>

#include <linux/of_device.h>

#include <soc/qcom/subsystem_restart.h>

#include <soc/qcom/scm.h>

#include <dsp/apr_audio-v2.h>
@@ -56,6 +57,7 @@ struct apr_reset_work { 
};



static bool apr_cf_debug;

static struct delayed_work add_chld_dev_work;



#ifdef CONFIG_DEBUG_FS

static struct dentry *debugfs_apr_debug;
@@ -282,6 +284,17 @@ static void apr_adsp_down(unsigned long opcode) 
	dispatch_event(opcode, APR_DEST_QDSP6);

}



static void apr_add_child_devices(struct work_struct *work)

{

	int ret;



	ret = of_platform_populate(apr_dev_ptr->of_node,

			NULL, NULL, apr_dev_ptr);

	if (ret)

		dev_err(apr_dev_ptr, "%s: failed to add child nodes, ret=%d\n",

			__func__, ret);

}



static void apr_adsp_up(void)

{

	if (apr_cmpxchg_q6_state(APR_SUBSYS_DOWN, APR_SUBSYS_LOADED) ==
@@ -289,29 +302,8 @@ static void apr_adsp_up(void) 
		wake_up(&dsp_wait);



	if (!is_child_devices_loaded) {

		struct platform_device *pdev;

		struct device_node *node;

		int ret;



		for_each_child_of_node(apr_dev_ptr->of_node, node) {

			pdev = platform_device_alloc(node->name, -1);

			if (!pdev) {

				dev_err(apr_dev_ptr, "%s: pdev memory alloc failed\n",

					__func__);

				return;

			}

			pdev->dev.parent = apr_dev_ptr;

			pdev->dev.of_node = node;



			ret = platform_device_add(pdev);

			if (ret) {

				dev_err(apr_dev_ptr,

					"%s: Cannot add platform device\n",

					__func__);

				platform_device_put(pdev);

				return;

			}

		}

		schedule_delayed_work(&add_chld_dev_work,

				msecs_to_jiffies(100));

		is_child_devices_loaded = true;

	}

}
@@ -1180,6 +1172,7 @@ static int apr_probe(struct platform_device *pdev) 


	apr_tal_init();

	apr_dev_ptr = &pdev->dev;

	INIT_DELAYED_WORK(&add_chld_dev_work, apr_add_child_devices);

	return apr_debug_init();

}