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Kirill Smelkov
linux
Commits
ce488461
Commit
ce488461
authored
22 years ago
by
Alan Cox
Committed by
Linus Torvalds
22 years ago
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[PATCH] update docs to match maestro3 changes
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Documentation/sound/oss/Maestro3
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ce488461
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@@ -71,10 +71,18 @@ There are very few options to the driver. One is 'debug' which will
tell the driver to print minimal debugging information as it runs. This
can be collected with 'dmesg' or through the klogd daemon.
The other
is 'external_amp', which tells the driver to attempt to enable
One
is 'external_amp', which tells the driver to attempt to enable
an external amplifier. This defaults to '1', you can tell the driver
not to bother enabling such an amplifier by setting it to '0'.
And the last is 'gpio_pin', which tells the driver which GPIO pin number
the external amp uses (0-15), The Allegro uses 8 by default, all others 1.
If everything loads correctly and seems to be working but you get no sound,
try tweaking this value.
Systems known to need a different value
Panasonic ToughBook CF-72: gpio_pin=13
Power Management
----------------
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