From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: torvalds@transmeta.com, linux-kernel@vger.kernel.org
Subject: PATCH: 2.5.40 update docs to match maestro3 changes
Date: Sun, 6 Oct 2002 18:08:07 +0100 (BST) [thread overview]
Message-ID: <E17yEsx-0001rd-00@the-village.bc.nu> (raw)
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.2.5.40/Documentation/sound/oss/Maestro3 linux.2.5.40-ac5/Documentation/sound/oss/Maestro3
--- linux.2.5.40/Documentation/sound/oss/Maestro3 2002-07-20 20:11:33.000000000 +0100
+++ linux.2.5.40-ac5/Documentation/sound/oss/Maestro3 2002-10-03 00:14:21.000000000 +0100
@@ -71,10 +71,18 @@
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
----------------
reply other threads:[~2002-10-06 17:11 UTC|newest]
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