Merge "hal: check for initial calibration temperature threshold" (41b595ba) · Commits · e / devices / Fairphone 4 / android_hardware_qcom_audio

hal/audio_extn/spkr_protection.c

+27 −13

Original line number	Diff line number	Diff line
		@@ -58,6 +58,10 @@
		#define SAFE_SPKR_TEMP 40
		#define SAFE_SPKR_TEMP_Q6 (SAFE_SPKR_TEMP * (1 << 6))

		/Bongo Spkr temp range/
		#define TZ_TEMP_MIN_THRESHOLD (5)
		#define TZ_TEMP_MAX_THRESHOLD (45)

		/Range of resistance values 2ohms to 40 ohms/
		#define MIN_RESISTANCE_SPKR_Q24 (2 * (1 << 24))
		#define MAX_RESISTANCE_SPKR_Q24 (40 * (1 << 24))
		@@ -727,24 +731,23 @@ static void* spkr_calibration_thread()
		close(acdb_fd);
		}

		while (1) {
		ALOGV("%s: start calibration", __func__);
		while (1) {
		if (handle.wsa_found) {
		spk_1_tzn = handle.spkr_1_tzn;
		spk_2_tzn = handle.spkr_2_tzn;
		goahead = false;
		pthread_mutex_lock(&adev->lock);
		if (is_speaker_in_use(&sec)) {
		ALOGD("%s: WSA Speaker in use retry calibration", __func__);
		ALOGV("%s: WSA Speaker in use retry calibration", __func__);
		pthread_mutex_unlock(&adev->lock);
		continue;
		} else {
		ALOGD("%s: wsa speaker idle %ld min time %ld", __func__, sec, min_idle_time);
		if (sec < min_idle_time) {
		ALOGD("%s: speaker idle is less retry", __func__);
		pthread_mutex_unlock(&adev->lock);
		continue;
		}
		ALOGV("%s: wsa speaker idle %ld min time %ld", __func__, sec, min_idle_time);
		goahead = true;
		}
		if (!list_empty(&adev->usecase_list)) {
		@@ -754,7 +757,7 @@ static void* spkr_calibration_thread()
		if (goahead) {
		if (spk_1_tzn >= 0) {
		snprintf(wsa_path, MAX_PATH, TZ_WSA, spk_1_tzn);
		ALOGD("%s: wsa_path: %s\n", __func__, wsa_path);
		ALOGV("%s: wsa_path: %s\n", __func__, wsa_path);
		thermal_fd = -1;
		thermal_fd = open(wsa_path, O_RDONLY);
		if (thermal_fd > 0) {
		@@ -778,18 +781,24 @@ static void* spkr_calibration_thread()
		ALOGE("%s: fd for %s is NULL\n", __func__, wsa_path);
		}
		if (i == NUM_ATTEMPTS) {
		if (t0_spk_1 < TZ_TEMP_MIN_THRESHOLD \|\|
		t0_spk_1 > TZ_TEMP_MAX_THRESHOLD) {
		pthread_mutex_unlock(&adev->lock);
		continue;
		}
		/Convert temp into q6 format/
		t0_spk_1 = (t0_spk_1 * (1 << 6));
		ALOGD("%s: temp T0 for spkr1 %d\n", __func__, t0_spk_1);
		} else {
		ALOGD("%s: thermal equilibrium failed for spkr1 in %d/%d readings\n",
		ALOGV("%s: thermal equilibrium failed for spkr1 in %d/%d readings\n",
		__func__, i, NUM_ATTEMPTS);
		t0_spk_1 = SAFE_SPKR_TEMP_Q6;
		pthread_mutex_unlock(&adev->lock);
		continue;
		}
		}
		if (spk_2_tzn >= 0) {
		snprintf(wsa_path, MAX_PATH, TZ_WSA, spk_2_tzn);
		ALOGD("%s: wsa_path: %s\n", __func__, wsa_path);
		ALOGV("%s: wsa_path: %s\n", __func__, wsa_path);
		thermal_fd = open(wsa_path, O_RDONLY);
		if (thermal_fd > 0) {
		for (i = 0; i < NUM_ATTEMPTS; i++) {
		@@ -812,13 +821,19 @@ static void* spkr_calibration_thread()
		ALOGE("%s: fd for %s is NULL\n", __func__, wsa_path);
		}
		if (i == NUM_ATTEMPTS) {
		if (t0_spk_2 < TZ_TEMP_MIN_THRESHOLD \|\|
		t0_spk_2 > TZ_TEMP_MAX_THRESHOLD) {
		pthread_mutex_unlock(&adev->lock);
		continue;
		}
		/Convert temp into q6 format/
		t0_spk_2 = (t0_spk_2 * (1 << 6));
		ALOGD("%s: temp T0 for spkr2 %d\n", __func__, t0_spk_2);
		} else {
		ALOGE("%s: thermal equilibrium failed for spkr2 in %d/%d readings\n",
		ALOGV("%s: thermal equilibrium failed for spkr2 in %d/%d readings\n",
		__func__, i, NUM_ATTEMPTS);
		t0_spk_2 = SAFE_SPKR_TEMP_Q6;
		pthread_mutex_unlock(&adev->lock);
		continue;
		}
		}
		}
		@@ -849,16 +864,15 @@ static void* spkr_calibration_thread()
		goahead = false;
		pthread_mutex_lock(&adev->lock);
		if (is_speaker_in_use(&sec)) {
		ALOGD("%s: Speaker in use retry calibration", __func__);
		ALOGV("%s: Speaker in use retry calibration", __func__);
		pthread_mutex_unlock(&adev->lock);
		continue;
		} else {
		ALOGD("%s: speaker idle %ld min time %ld", __func__, sec, min_idle_time);
		if (sec < min_idle_time) {
		ALOGD("%s: speaker idle is less retry", __func__);
		pthread_mutex_unlock(&adev->lock);
		continue;
		}
		ALOGD("%s: speaker idle %ld min time %ld", __func__, sec, min_idle_time);
		goahead = true;
		}
		if (!list_empty(&adev->usecase_list)) {