Jacek

On 12/12/2017 03:13 PM, Jacek Anaszewski wrote:
> Hi Dan,
> 
> Thanks for the patch set.
> 
> On 12/12/2017 07:58 PM, Dan Murphy wrote:
>> Update the DT parsing for the label node so that
>> the label is retrieved from the device child as
>> opposed to being part of the parent.
>>
>> This will align this driver with the LED
>> binding documentation
>>
>> Documentation/devicetree/bindings/leds/common.txt
>>
>> Signed-off-by: Dan Murphy <dmur...@ti.com>
>> ---
>>
>> v3 - Changed the label generation to pull the name from the i2c device id 
>> as opposed to pulling the id from the parent dt node since that will just be 
>> led-controller - https://patchwork.kernel.org/patch/10093753/
>>
>> v2 - no changes
>>
>>  drivers/leds/leds-lp8860.c | 23 ++++++++++++-----------
>>  1 file changed, 12 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/leds/leds-lp8860.c b/drivers/leds/leds-lp8860.c
>> index 3e70775a2d54..bc432764c99d 100644
>> --- a/drivers/leds/leds-lp8860.c
>> +++ b/drivers/leds/leds-lp8860.c
>> @@ -22,6 +22,7 @@
>>  #include <linux/of_gpio.h>
>>  #include <linux/gpio/consumer.h>
>>  #include <linux/slab.h>
>> +#include <uapi/linux/uleds.h>
>>  
>>  #define LP8860_DISP_CL1_BRT_MSB             0x00
>>  #define LP8860_DISP_CL1_BRT_LSB             0x01
>> @@ -86,8 +87,6 @@
>>  
>>  #define LP8860_CLEAR_FAULTS         0x01
>>  
>> -#define LP8860_DISP_LED_NAME                "display_cluster"
>> -
>>  /**
>>   * struct lp8860_led -
>>   * @lock - Lock for reading/writing the device
>> @@ -107,7 +106,7 @@ struct lp8860_led {
>>      struct regmap *eeprom_regmap;
>>      struct gpio_desc *enable_gpio;
>>      struct regulator *regulator;
>> -    const char *label;
>> +    char label[LED_MAX_NAME_SIZE];
>>  };
>>  
>>  struct lp8860_eeprom_reg {
>> @@ -365,19 +364,21 @@ static int lp8860_probe(struct i2c_client *client,
>>      int ret;
>>      struct lp8860_led *led;
>>      struct device_node *np = client->dev.of_node;
>> +    struct device_node *child_node;
>> +    const char *name;
>>  
>>      led = devm_kzalloc(&client->dev, sizeof(*led), GFP_KERNEL);
>>      if (!led)
>>              return -ENOMEM;
>>  
>> -    led->label = LP8860_DISP_LED_NAME;
>> -
>> -    if (client->dev.of_node) {
>> -            ret = of_property_read_string(np, "label", &led->label);
>> -            if (ret) {
>> -                    dev_err(&client->dev, "Missing label in dt\n");
>> -                    return -EINVAL;
>> -            }
>> +    for_each_available_child_of_node(np, child_node) {
>> +            ret = of_property_read_string(child_node, "label", &name);
>> +            if (!ret)
>> +                snprintf(led->label, sizeof(led->label), "%s:%s",
>> +                                    id->name, name);
>> +            else
>> +                snprintf(led->label, sizeof(led->label),
>> +                         "%s::display_cluster", id->name);
> 
> Here we have the same indentation problem as in case of leds-lm3692x.c

I will fix it up and re-send.

Dan

> 
>>      }
>>  
>>      led->enable_gpio = devm_gpiod_get_optional(&client->dev,
>>
> 


-- 
------------------
Dan Murphy

Reply via email to