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: b9fa0a3acfd8 ("hwmon: (pmbus/core) Add support for vid mode detection per page bases")
Signed-off-by: Paul Fertser <fercerpav@xxxxxxxxx>
---
drivers/hwmon/pmbus/pxe1610.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/hwmon/pmbus/pxe1610.c b/drivers/hwmon/pmbus/pxe1610.c
index 517584cff3de..ff6f6e05923b 100644
--- a/drivers/hwmon/pmbus/pxe1610.c
+++ b/drivers/hwmon/pmbus/pxe1610.c
@@ -41,7 +41,16 @@ static int pxe1610_identify(struct i2c_client *client,
info->vrm_version[i] = vr13;
break;
default:
- return -ENODEV;
+ /*
+ * If prior pages are available limit operation
+ * to them
+ */
+ if (i != 0) {
+ info->pages = i;
+ return 0;
+ } else {
+ return -ENODEV;
+ }
}
}
}
--
2.17.1
