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	<title>Дамп регистров звукового кодека - История изменений</title>
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	<updated>2026-05-03T16:02:42Z</updated>
	<subtitle>История изменений этой страницы в вики</subtitle>
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		<title>Unknown user в 08:14, 15 октября 2014</title>
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		<updated>2014-10-15T08:14:07Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Утилита [http://stuw.narod.ru/ac100/tools/alc-ctl alc-ctl] (исходный код [http://stuw.narod.ru/ac100/tools/alc-ctl.c alc-ctl.c]), позволяет читать и писать регистры через i2c девайс.&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
sudo modprobe i2c-dev&lt;br /&gt;
sudo ./alc-ctl /dev/i2c-0 r 26&lt;br /&gt;
sudo ./alc-ctl /dev/i2c-0 w 26 000f&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
'''Делаем дамп регистров'''&lt;br /&gt;
full-dump.sh&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
# Load i2c-dev kernel module (if it is not loaded yet)&lt;br /&gt;
lsmod | grep &amp;quot;i2c-dev&amp;quot; &amp;gt; /dev/null || sudo modprobe i2c-dev&lt;br /&gt;
&lt;br /&gt;
# Dump all registers&lt;br /&gt;
for reg in `seq 0 2 96 | xargs -L1 -I% echo &amp;quot;obase=16; %&amp;quot; | bc | tr '[:upper:]' '[:lower:]'` ; do&lt;br /&gt;
    sudo ./alc-ctl /dev/i2c-0 r $reg&lt;br /&gt;
done&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
./full-dump.sh &amp;gt; a01-before-playback.txt&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;/div&gt;</summary>
		<author><name>Unknown user</name></author>
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