max7219 set_intensity not working

[petr-nov]

The problem

max7219 set_intensity not working after last update.

Which version of ESPHome has the issue?

2023.9.2

What type of installation are you using?

Home Assistant Add-on

Which version of Home Assistant has the issue?

2023.9.3

What platform are you using?

ESP8266

Board

d1_mini

Component causing the issue

No response

Example YAML snippet

display:
  - platform: max7219
    cs_pin: D4
    num_chips: 1
    intensity: 2
    lambda: |-
        it.set_intensity(id(brightness).state);
        if (id(displaypage) == 1) {
            it.strftime("%H.%M",id(esptime).now());
            it.printf(4, "%5.1f", id(obyvak_temperature).state);
            }
        else if (id(displaypage) == 2) {
            it.strftime("%H.%M",id(esptime).now());
            it.printf(4, "%5.1f", id(venku_temperature).state);
            }
        else if (id(displaypage) == 3) {
            it.print("spo.");
            it.printf(4, "%4.0f", id(load).state);
            }
        else if (id(displaypage) == 4) {
            it.print("bat.");
            it.printf(4, "%3.0fP", id(pv_soc).state);
            }
        else if (id(displaypage) == 5) {
            it.print("fve.");
            it.printf(4, "%4.0f", id(pv_pac).state);
            }
        else if (id(displaypage) == 6) {
            it.print("den.");
            it.printf(4, "%5.1f", id(pv_eday).state);
            }            
        else if (id(displaypage) == 7 and id(boiler_pumpcoworks).state) {
            it.print("tOP.");
            it.printf(4, "%5.1f", id(mixer_temp).state);
            }
        else {
            it.print("bOJ.");
            it.printf(4, "%5.1f", id(huw_temp).state);
            }

Anything in the logs that might be useful for us?

No response

Additional information

No response

[kb2ear]

Same here with

it.set_intensity(0);

always at max brightness.

[clydebarrow]

I raised a PR to fix this. Add this to your yaml:

external_components:
    source: github://pr#5477
    components: [ max7219 ]
    refresh: always