Jacek On 05/11/2018 06:56 AM, Dan Murphy wrote: <snip> >>> + } >>> + >>> + if (led->strobe_node) { >>> + ret = of_property_read_string(led->strobe_node, "label", &name); >>> + if (!ret) >>> + snprintf(led->strobe, sizeof(led->strobe), >>> + "%s:%s", led->strobe_node->name, name); >>> + else >>> + snprintf(led->strobe, sizeof(led->strobe), >>> + "%s::strobe", led->strobe_node->name); >>> + >>> + ret = of_property_read_u32(led->strobe_node, >>> + "flash-max-microamp", >>> + &led->strobe_current_max); >>> + if (ret < 0) { >>> + led->strobe_current_max = LM3601X_MIN_STROBE_I_MA; >>> + dev_warn(&led->client->dev, >>> + "flash-max-microamp DT property missing\n"); >>> + } >>> + >>> + ret = of_property_read_u32(led->strobe_node, >>> + "flash-max-timeout-us", >>> + &led->max_strobe_timeout); >>> + if (ret < 0) { >>> + led->max_strobe_timeout = strobe_timeouts[0].reg_val; >>> + dev_warn(&led->client->dev, >>> + "flash-max-timeout-us DT property missing\n"); >>> + } >> >> Common LED bindings state that flash-max-microamp and >> flash-max-timeout-us properties are mandatory. > > OK. OK I looked at the max776973 driver and well if the flash-max-microamp and flash-max-timeout-us nodes are missing it sets a default value for each if the node is not present. So should we remove this code from the Max77693 driver too and fail probe as being asked in this driver? Dan > >> >>> + >>> + lm3601x_init_flash_timeout(led); <snip> >>> >> > > -- ------------------ Dan Murphy