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Commit 318556e6 authored by Aditya Bavanari's avatar Aditya Bavanari
Browse files

dsp: voice: Vote for BMS power state during voice call 



In PM8916, battery monitoring system(BMS) goes into a low power
state when APSS is suspended. This can cause loss of BMS accuracy,
if APSS goes to suspend during a voice call.
Fix this by setting BMS power state to high/low during start/end
of voice call.

CRs-Fixed: 2356600
Change-Id: I0c1ffedeca544f13805505311598dbdc311f5b90
Signed-off-by: default avatarAditya Bavanari <abavanar@codeaurora.org>
parent ff55cd46

dsp/q6voice.c

+51 −0
Original line number Diff line number Diff line
@@ -141,6 +141,8 @@ static int voice_send_get_sound_focus_cmd(struct voice_data *v, 
static int voice_send_get_source_tracking_cmd(struct voice_data *v,

			struct source_tracking_param *sourceTrackingData);



static void voice_vote_powerstate_to_bms(struct voice_data *v, bool state);



static void voice_itr_init(struct voice_session_itr *itr,

			   u32 session_id)

{
@@ -1949,6 +1951,47 @@ void voc_set_destroy_cvd_flag(bool is_destroy_cvd) 
}

EXPORT_SYMBOL(voc_set_destroy_cvd_flag);



/**

 * voc_set_vote_bms_flag -

 *      set flag for BMS voting

 *

 * @is_destroy_cvd: bool value used to indicate

 *                  to vote for BMS or not in voice call.

 *

 */

void voc_set_vote_bms_flag(bool is_vote_bms)

{

	pr_debug("%s: flag value: %d\n", __func__, is_vote_bms);

	common.is_vote_bms = is_vote_bms;

}

EXPORT_SYMBOL(voc_set_vote_bms_flag);



static void voice_vote_powerstate_to_bms(struct voice_data *v, bool state)

{

	union power_supply_propval psp_val;



	if (!v->psy)

		v->psy = power_supply_get_by_name("bms");



	psp_val.intval = VMBMS_VOICE_CALL_BIT;

	if (v->psy && !(is_voip_session(v->session_id) ||

			is_vowlan_session(v->session_id))) {

		if (state) {

			pr_debug("%s : Vote High power to BMS\n",

				__func__);

			power_supply_set_property(v->psy,

					POWER_SUPPLY_PROP_HI_POWER, &psp_val);

		} else {

			pr_debug("%s: Vote low power to BMS\n",

				__func__);

			power_supply_set_property(v->psy,

					POWER_SUPPLY_PROP_LOW_POWER, &psp_val);

		}

	} else {

		pr_debug("%s: No OP", __func__);

	}

}



/**

 * voc_alloc_cal_shared_memory -

 *       Alloc mem map table for calibration
@@ -2422,6 +2465,10 @@ static int voice_send_start_voice_cmd(struct voice_data *v) 
				v->async_err);

		goto fail;

	}

	if (common.is_vote_bms) {

		/* vote high power to BMS during call start */

		voice_vote_powerstate_to_bms(v, true);

	}

	return 0;

fail:

	return ret;
@@ -6873,6 +6920,10 @@ int voc_end_voice_call(uint32_t session_id) 


		voice_destroy_mvm_cvs_session(v);

		v->voc_state = VOC_RELEASE;

		if (common.is_vote_bms) {

			/* vote low power to BMS during call stop */

			voice_vote_powerstate_to_bms(v, false);

		}

	} else {

		pr_err("%s: Error: End voice called in state %d\n",

			__func__, v->voc_state);

include/dsp/q6voice.h

+6 −0
Original line number Diff line number Diff line
@@ -13,6 +13,8 @@ 
#define __QDSP6VOICE_H__



#include <linux/msm_ion.h>

#include <linux/power_supply.h>

#include <uapi/linux/vm_bms.h>

#include <sound/voice_params.h>

#include <dsp/rtac.h>

#include <dsp/q6core.h>
@@ -1916,6 +1918,8 @@ struct voice_data { 


	bool mic_break_status;

	struct work_struct voice_mic_break_work;



	struct power_supply *psy;

};



struct cal_mem {
@@ -1980,6 +1984,7 @@ struct common_data { 
	bool sidetone_enable;

	bool mic_break_enable;

	struct audio_uevent_data *uevent_data;

	bool is_vote_bms;

};



struct voice_session_itr {
@@ -2107,6 +2112,7 @@ int voc_update_amr_vocoder_rate(uint32_t session_id); 
int voc_disable_device(uint32_t session_id);

int voc_enable_device(uint32_t session_id);

void voc_set_destroy_cvd_flag(bool is_destroy_cvd);

void voc_set_vote_bms_flag(bool is_vote_bms);

int voc_disable_topology(uint32_t session_id, uint32_t disable);

int voc_set_device_config(uint32_t session_id, uint8_t path_dir,

			  struct media_format_info *finfo);