Re: [PATCH v3 2/6] regulator: bd718x7: Fix voltages scaled by resistor divider
From: Matti Vaittinen
Date: Thu Oct 30 2025 - 04:55:11 EST
On 30/10/2025 08:35, Maud Spierings via B4 Relay wrote:
From: Maud Spierings <maudspierings@xxxxxxxxxxxxxx>
The .min_sel and .max_sel fields remained uninitialized in the new
linear_range, causing an error further down the line. Copy the old
values of these fields to the new one as they represent the range of
register values, which does not change.
Fixes: d2ad981151b3a ("regulator: bd718x7: Support external connection to scale voltages")
Signed-off-by: Maud Spierings <maudspierings@xxxxxxxxxxxxxx>
---
drivers/regulator/bd718x7-regulator.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/regulator/bd718x7-regulator.c b/drivers/regulator/bd718x7-regulator.c
index 022d98f3c32a2..ea9c4058ee6a5 100644
--- a/drivers/regulator/bd718x7-regulator.c
+++ b/drivers/regulator/bd718x7-regulator.c
@@ -1613,6 +1613,8 @@ static int setup_feedback_loop(struct device *dev, struct device_node *np,
step /= r1;
new[j].min = min;
+ new[j].min_sel = desc->linear_ranges[j].min_sel;
+ new[j].max_sel = desc->linear_ranges[j].max_sel;
new[j].step = step;
dev_dbg(dev, "%s: old range min %d, step %d\n",
Thanks a ton for fixing this! Very much appreciated :)
Reviewed-by: Matti Vaittinen <mazziesaccount@xxxxxxxxx>
--
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland
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