Re: [PATCH v3 6/6] leds: is31fl319x: Add support for is31fl319{0,1,3} chips
From: Andy Shevchenko
Date: Tue Jul 05 2022 - 14:56:58 EST
On Tue, Jul 5, 2022 at 6:32 PM Vincent Knecht <vincent.knecht@xxxxxxxxxx> wrote:
>
> Set specific chipset structs values for is31fl319{0,1,3}
> so that those chips can actually work.
> Datasheets:
> https://lumissil.com/assets/pdf/core/IS31FL3190_DS.pdf
> https://lumissil.com/assets/pdf/core/IS31FL3191_DS.pdf
> https://lumissil.com/assets/pdf/core/IS31FL3193_DS.pdf
> https://lumissil.com/assets/pdf/core/IS31FL3196_DS.pdf
> https://lumissil.com/assets/pdf/core/IS31FL3199_DS.pdf
...
Two comments as per previous patch reviews.
...
> + struct is31fl319x_led *led = container_of(cdev, struct is31fl319x_led,
> + cdev);
One line?
...
> + ret = regmap_read(is31->regmap, IS31FL3190_PWM(i), &pwm_value);
> + dev_dbg(&is31->client->dev, "%s read %d: ret=%d: %d\n",
> + __func__, i, ret, pwm_value);
regmap has tracepoints Do you need to duplicate it with slow printk()?
...
> +static inline int is31fl3190_microamp_to_cs(struct device *dev, u32 microamp)
> +{
> + switch (microamp) {
> + case 5000:
> + return IS31FL3190_CURRENT_5_mA;
> + case 10000:
> + return IS31FL3190_CURRENT_10_mA;
> + case 17500:
> + return IS31FL3190_CURRENT_17dot5_mA;
> + case 30000:
> + return IS31FL3190_CURRENT_30_mA;
> + case 42000:
> + return IS31FL3190_CURRENT_42_mA;
> + default:
> + dev_warn(dev, "Unsupported current value: %d, using 5000 µA!\n", microamp);
> + }
> +
> + return IS31FL3190_CURRENT_5_mA;
It's more consistent to return directly from the default case.
> +}
--
With Best Regards,
Andy Shevchenko