samsung-sm8650/android_kernel_samsung_sm8650-modules
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icnss2: Set WLAN_EN_DELAY based on temperature

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Read temperature from the tsens given in DT. Based on that
temperature set WLAN_EN_DELAY value and send it to FW via
Host Capability QMI request.

Change-Id: I6a41dad58af28fa321932874c3974ca95beb59ac
This commit is contained in:
Naman Padhiar
2022-05-23 11:03:54 +05:30
parent 648ac5ccff
commit 878c36c07a
1 changed files with 37 additions and 0 deletions
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37
icnss2/main.c
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@@ -101,6 +101,9 @@ uint64_t dynamic_feature_mask = ICNSS_DEFAULT_FEATURE_MASK;
#define RAMDUMP_NUM_DEVICES 256
#define ICNSS_RAMDUMP_NAME "icnss_ramdump"
#define WLAN_EN_TEMP_THRESHOLD 5000
#define WLAN_EN_DELAY 500
#define ICNSS_RPROC_LEN 10
static DEFINE_IDA(rd_minor_id);
@@ -614,6 +617,33 @@ static void register_early_crash_notifications(struct device *dev)
priv->fw_early_crash_irq = irq;
}
static int icnss_get_temperature(struct icnss_priv *priv, int *temp)
{
struct thermal_zone_device *thermal_dev;
const char *tsens;
int ret;
ret = of_property_read_string(priv->pdev->dev.of_node,
"tsens",
&tsens);
if (ret)
return ret;
icnss_pr_dbg("Thermal Sensor is %s\n", tsens);
thermal_dev = thermal_zone_get_zone_by_name(tsens);
if (IS_ERR(thermal_dev)) {
icnss_pr_err("Fail to get thermal zone. ret: %d",
PTR_ERR(thermal_dev));
return PTR_ERR(thermal_dev);
}
ret = thermal_zone_get_temp(thermal_dev, temp);
if (ret)
icnss_pr_err("Fail to get temperature. ret: %d", ret);
return ret;
}
static irqreturn_t fw_soc_wake_ack_handler(int irq, void *ctx)
{
struct icnss_priv *priv = ctx;
@@ -751,6 +781,7 @@ static int icnss_driver_event_server_arrive(struct icnss_priv *priv,
void *data)
{
int ret = 0;
int temp = 0;
bool ignore_assert = false;
if (!priv)
@@ -784,6 +815,12 @@ static int icnss_driver_event_server_arrive(struct icnss_priv *priv,
}
if (priv->device_id == WCN6750_DEVICE_ID) {
if (!icnss_get_temperature(priv, &temp)) {
icnss_pr_dbg("Temperature: %d\n", temp);
if (temp < WLAN_EN_TEMP_THRESHOLD)
priv->wlan_en_delay_ms = WLAN_EN_DELAY;
}
ret = wlfw_host_cap_send_sync(priv);
if (ret < 0)
goto fail;