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hwmon: (adm1275) Enable adm1278 VOUT sampling

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The adm1278 can optionally monitor the VOUT pin. This functionality is
not enabled at reset, so PMON_CONFIG needs to be modified in order to
enable it.

Signed-off-by: Yi Li <adamliyi@msn.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Yi Li 2016-10-17 18:38:53 +10:30 committed by Guenter Roeck
parent aaf6fabf1b
commit 2b3d0c1953
1 changed files with 16 additions and 4 deletions
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20
drivers/hwmon/pmbus/adm1275.c
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@ -499,15 +499,27 @@ static int adm1275_probe(struct i2c_client *client,
pindex = 2;
tindex = 3;
info->func[0] |= PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT;
info->func[0] |= PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT |
PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT;
/* Enable VOUT if not enabled (it is disabled by default) */
if (!(config & ADM1278_VOUT_EN)) {
config |= ADM1278_VOUT_EN;
ret = i2c_smbus_write_byte_data(client,
ADM1275_PMON_CONFIG,
config);
if (ret < 0) {
dev_err(&client->dev,
"Failed to enable VOUT monitoring\n");
return -ENODEV;
}
}
if (config & ADM1278_TEMP1_EN)
info->func[0] |=
PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP;
if (config & ADM1278_VIN_EN)
info->func[0] |= PMBUS_HAVE_VIN;
if (config & ADM1278_VOUT_EN)
info->func[0] |=
PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT;
break;
case adm1293:
case adm1294: