Will this work with the new steam controller?

[mercifulboss]

With the new steam controller being released May 4th, will this program work with the new steam controller on linux?

[C0rn3j]

Not unless someone PRs support for it

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On Tue, Apr 28, 2026, 05:06 mercifulboss ***@***.***> wrote: *mercifulboss* created an issue (C0rn3j/sc-controller#98) <#98> With the new steam controller being released May 4th, will this program work with the new steam controller on linux? — Reply to this email directly, view it on GitHub <#98>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAMQXEU2GM77JKOLKZXEF7D4YANZ7AVCNFSM6AAAAACYIXPO42VHI2DSMVQWIX3LMV43ASLTON2WKOZUGM2DAMRZHA3TCMA> . Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub>. You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>

[dnet890]

@mercifulboss the best workaround atm is Glossi or SISR. But, steam app need to be opened.

[Patola]

It works with the Steam Deck controllers already, even with a custom picture for it, so it should work with the Steam Controller 2.0 which is almost the same thing, no? Besides the new touch sensitivity of the laterals.

I have created a similar bug report for the original repository kozec#743

[Ryochan7]

For reference, there is C code out there showing how to interface with the new Steam Controller from SDL 3. That would come in handy for some custom bits not covered by current Steam Deck reader code.

https://github.com/libsdl-org/SDL/blob/main/src/joystick/hidapi/SDL_hidapi_steam_triton.c

[Ryochan7]

Ended up getting support working in my test mapper. I doubt I would get around to possibly adding support in this mapper. It is another resources at least.

So far, I am kind of disappointed with the new Steam Controller. GripSense was the deciding factor and, even with tweaking the settings, I do not really like it as a gyro activator. I cannot find a good range setting that can allow for quick deactivation while still allowing a loose grip. The IMU in the 2026 controller is definitely better than in the 2015 controller.

https://github.com/Ryochan7/DS4MapperTest/tree/master/DS4MapperTest/InputDevices/SteamControllerTritonLibrary

[pattontim]

I'm attacking this problem on three fronts. Android and Linux wired via libusb and Linux BLE via hidapi. I'm using one of kozec's C forks but it should be applicable.

The first thing is determining the endpoint we send feature reports to wired. D0G sends reports to interface 2 endpoint 3. Trying to claim this on the SC2 succeeds with libusb but throws kernel errors that the device on interface 2 is not claimed yet when you send try to send any feature reports. I tried interface 0 endpoint 1 but sending any data here gives me a pipe error.

We need to determine the interface and the disable lizard packet to send per platform

DS4Mapper and SDL suggest this command:

        public void DisableLizardMode()
        {
            byte SETTING_LIZARD_OFF = 0x00;
 
            byte[] featureData = new byte[FEATURE_REPORT_LEN];
            featureData[0] = 0x01;
            featureData[1] = 0x87; // ID_SET_SETTINGS_VALUES
            featureData[2] = 0x03;
            featureData[3] = 0x09; // SETTING_LIZARD_MODE
            featureData[4] = SETTING_LIZARD_OFF; // SETTING_LIZARD_OFF (2 bytes)
            featureData[5] = (byte)(SETTING_LIZARD_OFF >> 8);
            hidDevice.WriteFeatureReport(featureData);
        }

The SC2SmoothBrainifier suggests a simpler command,

            byte[] featureReport = new byte[65];
 
            // 1. Valve Feature Report ID
            featureReport[0] = 0x01;
 
            // 2. ID_CLEAR_DIGITAL_MAPPINGS (The modern Valve Lizard-Mode Kill-Switch!)
            featureReport[1] = 0x81;
 
            // 3. Payload Length is 0 because this command takes no additional arguments
            featureReport[2] = 0x00;

The SDL code for android doesn't even disable lizard mode so dunno where to start there.