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SubjectRe: [PATCH v1 3/4] ASoC: tda7802: Add enable device attribute
On Tue, Jun 11, 2019 at 06:49:08PM +0100, Thomas Preston wrote:
> Add a device attribute to control the enable regulator. Write 1 to
> enable, 0 to disable (ref-count minus one), or -1 to force disable the
> physical pin.

> To disable a set of amplifiers wired to the same enable gpio, each
> device must be disabled. For example:

> echo 0 > /sys/devices/.../device:00/enable
> echo 0 > /sys/devices/.../device:01/enable

This is adding a new ABI completely outstide the standard ALSA and power
management frameworks and ABIs with no explanation as to why or
integration with the rest of the driver. This is obviously not in the
slightest bit OK. If there's something missing from the frameworks
extend the frameworks, don't just ignore them.
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