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erosqnative: Repurpose stereosw_select setting for output select

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Turns out they did not swap the stereo switch lines on us,
so this setting isn't really useful. Repurpose it to allow
the user to force the device into headphone or line output mode.

Note that settings other than "Automatic" will cause jack detection
to not work.

Default Automatic.

Change-Id: If94499fbb8f0d92111811fe51f6107ce213b66ad
This commit is contained in:
Dana Conrad 2024-11-30 21:48:16 +00:00 • committed by Solomon Peachy
parent a29b570ac4
commit 5ed0db6e90
7 changed files with 98 additions and 82 deletions
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29
manual/configure_rockbox/sound_settings.tex
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@ -190,19 +190,24 @@ change to customise your listening experience.
stereo field unaltered.
\opt{erosqnative}{
\section{Stereo Switch Mode}
The Eros Q and related devices contain a stereo switch in the audio path.
This setting allows the behavior of the stereo switch to be changed if one of
the two outputs (Headphones or Line Out) is not working. There are four modes:
\section{Output Select}
The \dap{} has two output ports: Headphones and Line Out. This setting selects
either automatic detection, or forces the player to use Headphone output or
Line output.
\note{The headphone jack will only detect a pair of headphones or similar devices with low impedance.
An amplifier or other high-impedance device will not be detected. The lineout jack
will detect a high-impedance device.}
\note{Line output volume is fixed to Volume Limit value. Please see \setting{Volume} section.}
\begin{description}
\item[Normal.]
Headphones output uses a value of 0, and Line Out uses a value of 1.
\item[Reverse.]
Headphones output uses a value of 1, and Line Out uses a value of 0.
\item[Always 0.]
Both outputs use a value of 0.
\item[Always 1.]
Both outputs use a value of 1.
\item[Automatic.]
Automatically detect which output to use. If both outputs are plugged in,
headphones will take precedence. Jack detection is enabled.
\item[Headphone.]
Force the headphone output to be active. Jack detection is disabled. Automatic
play/pause jack detection will not work.
\item[Lineout.]
Force the line output to be active. Jack detection is disabled. Automatic
play/pause jack detection will not work.
\end{description}
\section{DAC filter roll-off}