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[Bug]: Unable to set RGB Bulb Brightness in 2025.1.1 #499

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@tholland15

Description

@tholland15

LocalTuya Version

2025.1.1

Home Assistant Version

2025.1.2

Environment

  • Does the device work using the Home Assistant Tuya Cloud component?
  • Is this device connected to another local integration, including Home Assistant and any other tools?
  • The devices are within the same HA subnet, and they get discovered automatically when I add them

What happened?

After upgrading LocalTuya to 2025.1.1 I can no longer control the Brightness of an RGB bulb I have. Light turns on at 100% brightness, changing the brightness in HA does not change the brightness of the bulb or the brightness reported in HA, it stays at 100%.

Color changing, on/off, still work normally.

There are no errors in the logs with debugging mode on, brightness change simply does not work.

This is my only Tuya device, it has been blocked from internet access for almost 2 years now ever since I got it set up with the old LocalTuya integration and has been working fine with both the old integration and this fork until 2025.1.1

Rolling back to LocalTuya 2024.12.1 immediately fixes the issue, I'm staying on that version for now.

I'm guessing this is related to a bug somewhere in #477

Steps to reproduce.

  1. Upgrade to 2025.1.1
  2. Can no longer change the brightness of RGB bulb
  3. Downgrade to 2024.12.2
  4. Can now control brightness of bulb like normal

Relevant log output

No errors in logs.

Diagnostics information.

No response

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