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hwmon: (pmbus/pxe1610) don't bail out when not all pages are active

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Certain VRs might be configured to use only the first output channel and
so the mode for the second will be 0. Handle this gracefully.

Fixes: b9fa0a3acf ("hwmon: (pmbus/core) Add support for vid mode detection per page bases")
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Link: https://lore.kernel.org/r/20210416102926.13614-1-fercerpav@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Paul Fertser 2021-04-16 13:29:04 +03:00 committed by Guenter Roeck
parent 1734b4135a
commit f025314306
1 changed files with 9 additions and 0 deletions
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9
drivers/hwmon/pmbus/pxe1610.c
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@ -41,6 +41,15 @@ static int pxe1610_identify(struct i2c_client *client,
info->vrm_version[i] = vr13;
break;
default:
/*
* If prior pages are available limit operation
* to them
*/
if (i != 0) {
info->pages = i;
return 0;
}
return -ENODEV;
}
}