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Fixed MTP to work with TWRP
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Documentation/hwmon/lineage-pem
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Documentation/hwmon/lineage-pem
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Kernel driver lineage-pem
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=========================
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Supported devices:
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* Lineage Compact Power Line Power Entry Modules
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Prefix: 'lineage-pem'
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Addresses scanned: -
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Documentation:
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http://www.lineagepower.com/oem/pdf/CPLI2C.pdf
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Author: Guenter Roeck <linux@roeck-us.net>
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Description
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-----------
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This driver supports various Lineage Compact Power Line DC/DC and AC/DC
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converters such as CP1800, CP2000AC, CP2000DC, CP2100DC, and others.
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Lineage CPL power entry modules are nominally PMBus compliant. However, most
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standard PMBus commands are not supported. Specifically, all hardware monitoring
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and status reporting commands are non-standard. For this reason, a standard
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PMBus driver can not be used.
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Usage Notes
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-----------
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This driver does not probe for Lineage CPL devices, since there is no register
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which can be safely used to identify the chip. You will have to instantiate
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the devices explicitly.
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Example: the following will load the driver for a Lineage PEM at address 0x40
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on I2C bus #1:
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$ modprobe lineage-pem
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$ echo lineage-pem 0x40 > /sys/bus/i2c/devices/i2c-1/new_device
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All Lineage CPL power entry modules have a built-in I2C bus master selector
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(PCA9541). To ensure device access, this driver should only be used as client
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driver to the pca9541 I2C master selector driver.
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Sysfs entries
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-------------
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All Lineage CPL devices report output voltage and device temperature as well as
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alarms for output voltage, temperature, input voltage, input current, input power,
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and fan status.
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Input voltage, input current, input power, and fan speed measurement is only
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supported on newer devices. The driver detects if those attributes are supported,
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and only creates respective sysfs entries if they are.
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in1_input Output voltage (mV)
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in1_min_alarm Output undervoltage alarm
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in1_max_alarm Output overvoltage alarm
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in1_crit Output voltage critical alarm
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in2_input Input voltage (mV, optional)
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in2_alarm Input voltage alarm
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curr1_input Input current (mA, optional)
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curr1_alarm Input overcurrent alarm
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power1_input Input power (uW, optional)
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power1_alarm Input power alarm
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fan1_input Fan 1 speed (rpm, optional)
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fan2_input Fan 2 speed (rpm, optional)
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fan3_input Fan 3 speed (rpm, optional)
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temp1_input
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temp1_max
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temp1_crit
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temp1_alarm
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temp1_crit_alarm
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temp1_fault
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