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Commit c3f38987 authored by Vignesh Kulothungan's avatar Vignesh Kulothungan Committed by Gerrit - the friendly Code Review server
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dsp: add support to send uevent on dc detection 



On receiving DC detection notification, send an uevent to notify
the userspace.

CRs-Fixed: 2244131
Change-Id: I42b0bb2287d7f1edf5e7c344302a7ea97408ab13
Signed-off-by: default avatarVignesh Kulothungan <vigneshk@codeaurora.org>
parent cf6a1215

dsp/q6afe.c

+32 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#include <dsp/q6afe-v2.h>

#include <dsp/q6audio-v2.h>

#include <dsp/q6common.h>

#include <dsp/q6core.h>

#include <dsp/msm-audio-event-notify.h>

#include <ipc/apr_tal.h>

#include "adsp_err.h"
@@ -124,6 +125,7 @@ struct afe_ctl { 
	int set_custom_topology;

	int dev_acdb_id[AFE_MAX_PORTS];

	routing_cb rt_cb;

	struct audio_uevent_data *uevent_data;

};



static atomic_t afe_ports_mad_type[SLIMBUS_PORT_LAST - SLIMBUS_0_RX];
@@ -329,7 +331,14 @@ static int32_t sp_make_afe_callback(uint32_t opcode, uint32_t *payload, 


static void afe_notify_dc_presence(void)

{

	int ret = 0;

	char event[] = "DC_PRESENCE=TRUE";



	msm_aud_evt_notifier_call_chain(MSM_AUD_DC_EVENT, NULL);



	ret = q6core_send_uevent(this_afe.uevent_data, event);

	if (ret)

		pr_err("%s: Send UEvent %s failed :%d\n", __func__, event, ret);

}



static int32_t afe_callback(struct apr_client_data *data, void *priv)
@@ -7456,6 +7465,14 @@ int afe_unmap_rtac_block(uint32_t *mem_map_handle) 
	return result;

}



static void afe_release_uevent_data(struct kobject *kobj)

{

	struct audio_uevent_data *data = container_of(kobj,

		struct audio_uevent_data, kobj);



	kfree(data);

}



int __init afe_init(void)

{

	int i = 0, ret;
@@ -7484,6 +7501,18 @@ int __init afe_init(void) 
		pr_err("%s: could not init cal data! %d\n", __func__, ret);



	config_debug_fs_init();



	this_afe.uevent_data = kzalloc(sizeof(*(this_afe.uevent_data)), GFP_KERNEL);

	if (!this_afe.uevent_data)

		return -ENOMEM;



	/*

	 * Set release function to cleanup memory related to kobject

	 * before initializing the kobject.

	 */

	this_afe.uevent_data->ktype.release = afe_release_uevent_data;

	q6core_init_uevent_data(this_afe.uevent_data, "q6afe_uevent");



	return 0;

}
@@ -7495,6 +7524,9 @@ void afe_exit(void) 
		this_afe.apr = NULL;

		rtac_set_afe_handle(this_afe.apr);

	}



	q6core_destroy_uevent_data(this_afe.uevent_data);



	afe_delete_cal_data();



	config_debug_fs_exit();