Re: [PATCH v5 2/2] leds: lm3697: Introduce the lm3697 driver

From: Jacek Anaszewski
Date: Fri Aug 24 2018 - 15:33:50 EST


Dan,

On 08/24/2018 01:58 PM, Dan Murphy wrote:
> Jacek
>
> On 08/24/2018 05:05 AM, Pavel Machek wrote:
>> Hi!
>>
>>> +/**
>>> + * struct lm3697 -
>>> + * @enable_gpio - Hardware enable gpio
>>> + * @regulator - LED supply regulator pointer
>>> + * @client - Pointer to the I2C client
>>> + * @regmap - Devices register map
>>> + * @dev - Pointer to the devices device struct
>>> + * @lock - Lock for reading/writing the device
>>> + * @leds - Array of LED strings.
>>> + */
>>
>> extra .
>>
>>> + ret = regmap_write(led->priv->regmap, brt_msb_reg, brt_val);
>>> + if (ret) {
>>> + dev_err(&led->priv->client->dev, "Cannot write MSB\n");
>>> + goto out;
>>> + }
>>> +out:
>>
>> I'd avoid this goto.
>>
>>> +static int lm3697_set_control_bank(struct lm3697 *priv)
>>> +{
>>> + u8 control_bank_config = 0;
>>> + struct lm3697_led *led;
>>> + int ret, i;
>>> +
>>> + led = &priv->leds[0];
>>> + if (led->control_bank == LM3697_CONTROL_A)
>>> + led = &priv->leds[1];
>>
>> I'd expect CONTROL_A to correspond to leds[0]...?
>>
>>> + for (i = 0; i < LM3697_MAX_LED_STRINGS; i++) {
>>> + if (led->hvled_strings[i] == LM3697_HVLED_ASSIGNMENT)
>>> + control_bank_config |= 1 << i;
>>> + }
>>
>> Extra {}s.
>>
>>> + priv->regulator = devm_regulator_get(&priv->client->dev, "vled");
>>> + if (IS_ERR(priv->regulator))
>>> + priv->regulator = NULL;
>>
>> If vled regulator is specified in dt and _get fails, is it worth a
>> warning?
>>
>> Pavel
>>
>
> Do you want v6 or a new patch on top?

Please submit v6.

--
Best regards,
Jacek Anaszewski