CONFIG_SENSORS_BT1_PVT_ALARMS: Enable Baikal-T1 PVT sensor alarms

General informations

The Linux kernel configuration item CONFIG_SENSORS_BT1_PVT_ALARMS:

• prompt: Enable Baikal-T1 PVT sensor alarms
• type: bool
• depends on: CONFIG_SENSORS_BT1_PVT
• defined in drivers/hwmon/Kconfig
• found in Linux kernels: 5.8–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Baikal-T1 PVT IP-block provides threshold registers for each supported sensor. But the corresponding interrupts might be generated by the thresholds comparator only in synchronization with a data conversion. Additionally there is only one sensor data can be converted at a time. All of these makes the interface impossible to be used for the hwmon alarms implementation without periodic switch between the PVT sensors. By default the data conversion is performed on demand from the user-space. If this config is enabled the data conversion will be periodically performed and the data will be saved in the internal driver cache.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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