Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 803f95dc authored by Sudheer Papothi's avatar Sudheer Papothi Committed by Gerrit - the friendly Code Review server
Browse files

ASoC: msm: qdsp6v2: Add wake lock for speaker protection 



Add wake lock in AFE(Audio Front End) to avoid system suspend
during speaker calibration.

Change-Id: I3164fb1e1a95d5a3b077e49c857f28746d4fd8fe
Signed-off-by: default avatarSudheer Papothi <spapothi@codeaurora.org>
parent 076b1086

sound/soc/msm/qdsp6v2/q6afe.c

+13 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/kthread.h>

#include <linux/uaccess.h>

#include <linux/wait.h>

#include <linux/wakelock.h>

#include <linux/jiffies.h>

#include <linux/sched.h>

#include <linux/msm_audio_ion.h>
@@ -25,6 +26,7 @@ 
#include "msm-pcm-routing-v2.h"

#include <sound/audio_cal_utils.h>



#define WAKELOCK_TIMEOUT	5000

enum {

	AFE_COMMON_RX_CAL = 0,

	AFE_COMMON_TX_CAL,
@@ -64,6 +66,12 @@ enum { 
	QUICK_CALIB_ENABLE

};



struct wlock {

	struct wakeup_source ws;

};



static struct wlock wl;



struct afe_ctl {

	void *apr;

	atomic_t state;
@@ -4266,6 +4274,8 @@ static int afe_set_cal_fb_spkr_prot(int32_t cal_type, size_t data_size, 
	if (data_size != sizeof(*cal_data))

		goto done;



	if (this_afe.prot_cfg.mode == MSM_SPKR_PROT_CALIBRATION_IN_PROGRESS)

		__pm_wakeup_event(&wl.ws, jiffies_to_msecs(WAKELOCK_TIMEOUT));

	mutex_lock(&this_afe.cal_data[AFE_FB_SPKR_PROT_CAL]->lock);

	memcpy(&this_afe.prot_cfg, &cal_data->cal_info,

		sizeof(this_afe.prot_cfg));
@@ -4330,6 +4340,7 @@ static int afe_get_cal_fb_spkr_prot(int32_t cal_type, size_t data_size, 
		cal_data->cal_info.r0[SP_V2_SPKR_2] = -1;

	}

	mutex_unlock(&this_afe.cal_data[AFE_FB_SPKR_PROT_CAL]->lock);

	__pm_relax(&wl.ws);

done:

	return ret;

}
@@ -4551,6 +4562,7 @@ static int __init afe_init(void) 
	for (i = 0; i < AFE_MAX_PORTS; i++)

		init_waitqueue_head(&this_afe.wait[i]);



	wakeup_source_init(&wl.ws, "spkr-prot");

	ret = afe_init_cal_data();

	if (ret)

		pr_err("%s: could not init cal data! %d\n", __func__, ret);
@@ -4565,6 +4577,7 @@ static void __exit afe_exit(void) 


	config_debug_fs_exit();

	mutex_destroy(&this_afe.afe_cmd_lock);

	wakeup_source_trash(&wl.ws);

}



device_initcall(afe_init);