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hwmon: (pmbus) Introduce PMBUS_VIRT_*_SAMPLES registers

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Those virtual registers can be used to export manufacturer specific
functionality for controlling the number of samples for average values
reported by the device.

Signed-off-by: Krzysztof Adamski <krzysztof.adamski@nokia.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Adamski, Krzysztof (Nokia - PL/Wroclaw)
2019-04-14 21:58:18 +00:00
committed by Guenter Roeck
parent 8e742fc2e2
commit 49c4455dcc
2 changed files with 125 additions and 0 deletions
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15
drivers/hwmon/pmbus/pmbus.h
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@@ -217,6 +217,20 @@ enum pmbus_regs {
PMBUS_VIRT_PWM_ENABLE_2,
PMBUS_VIRT_PWM_ENABLE_3,
PMBUS_VIRT_PWM_ENABLE_4,
/* Samples for average
*
* Drivers wanting to expose functionality for changing the number of
* samples used for average values should implement support in
* {read,write}_word_data callback for either PMBUS_VIRT_SAMPLES if it
* applies to all types of measurements, or any number of specific
* PMBUS_VIRT_*_SAMPLES registers to allow for individual control.
*/
PMBUS_VIRT_SAMPLES,
PMBUS_VIRT_IN_SAMPLES,
PMBUS_VIRT_CURR_SAMPLES,
PMBUS_VIRT_POWER_SAMPLES,
PMBUS_VIRT_TEMP_SAMPLES,
};
/*
@@ -371,6 +385,7 @@ enum pmbus_sensor_classes {
#define PMBUS_HAVE_STATUS_VMON BIT(19)
#define PMBUS_HAVE_PWM12 BIT(20)
#define PMBUS_HAVE_PWM34 BIT(21)
#define PMBUS_HAVE_SAMPLES BIT(22)
#define PMBUS_PAGE_VIRTUAL BIT(31)