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hwmon: (pmbus) Add support for Intel VID protocol VR13 - kernel/git/torvalds/linux.git - Linux kernel source tree

  • ️Tue Aug 29 2017
authorVadim Pasternak <vadimp@mellanox.com>2017-08-29 20:06:21 +0000
committerGuenter Roeck <linux@roeck-us.net>2017-08-30 06:31:00 -0700
commitd4977c083aeb28cf72c1b019e3f9df13608126dd (patch)
treef55e50bc1b448d2b2d60692a2b8dd0e2fb02198f
parentcaf59a5b63051f955152ec0acc64de0d5784e72e (diff)
downloadlinux-d4977c083aeb28cf72c1b019e3f9df13608126dd.tar.gz

hwmon: (pmbus) Add support for Intel VID protocol VR13

The below lists of VOUT_MODE command readout with their related VID protocols, Digital to Analog Converter steps: - VR13.0 mode, 10-mV DAC - 0x24 - VR13.0 mode, 5-mV DAC - 0x27 Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>

-rw-r--r--drivers/hwmon/pmbus/pmbus.h2
-rw-r--r--drivers/hwmon/pmbus/pmbus_core.c4

2 files changed, 5 insertions, 1 deletions

diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h
index bfcb13bae34bd6..4efa2bd4f6d8aa 100644
--- a/drivers/hwmon/pmbus/pmbus.h
+++ b/drivers/hwmon/pmbus/pmbus.h

@@ -341,7 +341,7 @@ enum pmbus_sensor_classes {

#define PMBUS_HAVE_STATUS_VMON BIT(19)

enum pmbus_data_format { linear = 0, direct, vid };

-enum vrm_version { vr11 = 0, vr12 };

+enum vrm_version { vr11 = 0, vr12, vr13 };

struct pmbus_driver_info {

int pages; /* Total number of pages */

diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 6ac89c93bd2ee2..302f0aef59dede 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c

@@ -557,6 +557,10 @@ static long pmbus_reg2data_vid(struct pmbus_data *data,

if (val >= 0x01)

rv = 250 + (val - 1) * 5;

break;

+ case vr13:

+ if (val >= 0x01)

+ rv = 500 + (val - 1) * 10;

+ break;

}

return rv;

}