* [PATCH v3] drivers: hwmon: max31827: handle vref regulator
@ 2023-09-25 8:23 Antoniu Miclaus
2023-09-25 12:14 ` Guenter Roeck
0 siblings, 1 reply; 2+ messages in thread
From: Antoniu Miclaus @ 2023-09-25 8:23 UTC (permalink / raw)
To: Daniel Matyas, Jean Delvare, Guenter Roeck, linux-hwmon, linux-kernel
Cc: Antoniu Miclaus
Add missing implementation for the max31827 supply regulator.
This is a hardware required property that is not handled.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
---
changes in v3:
- revert also the dev_err_probe output to use "vref" instead of "vdd".
drivers/hwmon/max31827.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/hwmon/max31827.c b/drivers/hwmon/max31827.c
index 602f4e4f81ff..2a61fb9a408a 100644
--- a/drivers/hwmon/max31827.c
+++ b/drivers/hwmon/max31827.c
@@ -427,6 +427,11 @@ static int max31827_probe(struct i2c_client *client)
return dev_err_probe(dev, PTR_ERR(st->regmap),
"Failed to allocate regmap.\n");
+ err = devm_regulator_get_enable(dev, "vref");
+ if (err)
+ return dev_err_probe(dev, err,
+ "failed to enable vref regulator\n");
+
err = max31827_init_client(st);
if (err)
return err;
--
2.42.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH v3] drivers: hwmon: max31827: handle vref regulator
2023-09-25 8:23 [PATCH v3] drivers: hwmon: max31827: handle vref regulator Antoniu Miclaus
@ 2023-09-25 12:14 ` Guenter Roeck
0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2023-09-25 12:14 UTC (permalink / raw)
To: Antoniu Miclaus; +Cc: Daniel Matyas, Jean Delvare, linux-hwmon, linux-kernel
On Mon, Sep 25, 2023 at 11:23:33AM +0300, Antoniu Miclaus wrote:
> Add missing implementation for the max31827 supply regulator.
> This is a hardware required property that is not handled.
>
> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
> ---
> changes in v3:
> - revert also the dev_err_probe output to use "vref" instead of "vdd".
> drivers/hwmon/max31827.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/hwmon/max31827.c b/drivers/hwmon/max31827.c
> index 602f4e4f81ff..2a61fb9a408a 100644
> --- a/drivers/hwmon/max31827.c
> +++ b/drivers/hwmon/max31827.c
> @@ -427,6 +427,11 @@ static int max31827_probe(struct i2c_client *client)
> return dev_err_probe(dev, PTR_ERR(st->regmap),
> "Failed to allocate regmap.\n");
>
> + err = devm_regulator_get_enable(dev, "vref");
> + if (err)
> + return dev_err_probe(dev, err,
> + "failed to enable vref regulator\n");
Please drop the "vref". "failed to enable regulator" is sufficient.
Guenter
> +
> err = max31827_init_client(st);
> if (err)
> return err;
> --
> 2.42.0
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-09-25 12:14 ` Guenter Roeck
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