emc2305 / i2c-fan updates for mainline driver#7505
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This reverts commit 6eb7aef.
If the fan controller has detected any errors it responds on the SMBus Alert Response Address (0x0c). As the driver doesn't currently handle SMBus Alert, acknowledge all errors on probe so that the fan controller is doesn't respond to that address. Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
pelwell
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Jul 16, 2026
We had backported an early version of the emc230[125] driver. The final version that was merged configured things slightly differently, and dropped the ability to set pwm-min and pwm-max. Adopt the new approach, and drop the pwm-min and pwm-max overrides. Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
pelwell
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Jul 16, 2026
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Triggered by #7483, reviewed the downstream patches we had for the driver, and cleaned it up.