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dsp: add support to send uevent on dc detection

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

CRs-Fixed: 2244131
Change-Id: I42b0bb2287d7f1edf5e7c344302a7ea97408ab13
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>
This commit is contained in:
Vignesh Kulothungan 2018-05-22 18:08:20 -07:00 • committed by Gerrit - the friendly Code Review server
parent cf6a1215b9
commit c3f3898770
1 changed files with 32 additions and 0 deletions

32
dsp/q6afe.c
View file

@ -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();