[FROM-VALVE]: Add missing Steam Deck EC and mfd drivers#63
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RodoMa92
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Just realised that I'm still missing another tiny driver dependent part. I'll merge it in shortly. |
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This should be ready to test, I'm compiling a build just to be sure rn. |
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Jun 10, 2026
Add MFD core driver for Steam Deck. Doesn't really do much so far besides instantiating a number of MFD cells that implement all the interesting functionality. (cherry picked from commit 5f534c2d6ebdefccb9c024eb0f013bc1c0c622d9) [fwd-ported to v6.11 and v7.0] Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com> Signed-off-by: Marco Rodolfi <marco.rodolfi@tuta.io>
As of version 118 Deck's BIOS implements "SCBP" method that allows gating power of the controller board (VBUS). Add a basic WO method to our root MFD device to allow toggling that. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> (cherry picked from commit f97f32718acc10cbb51fef925842392e80904d74) Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Add driver for sensors exposed by EC firmware on Steam Deck hardware. (cherry picked from commit 6917aac77bee6185ae3920b936cdbe7876118c0b) [fwd-ported to v7.0] Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com> Signed-off-by: Marco Rodolfi <marco.rodolfi@tuta.io>
level/rate Add support for max battery level/charge rate attributes. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
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Let me know if now the commits are up to standard, I've just remerged them mantaining the original commit message and added my signature on the patches that require a rebase in order to be merged on top of 7.0 |
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All credits goes to the original Steam Deck team: https://github.com/evlaV/linux-integration/commits/50af83e8fd75dc52221edd3fb6fd7a7f70c4d8a4/drivers/hwmon/steamdeck-hwmon.c
This has never been upstreamed AFAICS and it's needed to allow fan and battery level control on the Deck.