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[ALSA] Remove unneeded read/write_size fields in proc text ops

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Remove unneeded read/write_size fields in proc text ops.
snd_info_set_text_ops() is fixed, too.

Signed-off-by: Takashi Iwai <[email protected]>
This commit is contained in:
Takashi Iwai 2006-04-28 15:13:41 +02:00 • committed by Jaroslav Kysela
commit bf850204a7
61 changed files with 81 additions and 146 deletions
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19
Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
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@ -5333,7 +5333,7 @@ struct _snd_pcm_runtime {
<informalexample>
<programlisting>
<![CDATA[
snd_info_set_text_ops(entry, chip, read_size, my_proc_read);
snd_info_set_text_ops(entry, chip, my_proc_read);
]]>
</programlisting>
</informalexample>
@ -5394,29 +5394,12 @@ struct _snd_pcm_runtime {
<informalexample>
<programlisting>
<![CDATA[
entry->c.text.write_size = 256;
entry->c.text.write = my_proc_write;
]]>
</programlisting>
</informalexample>
</para>
<para>
The buffer size for read is set to 1024 implicitly by
<function>snd_info_set_text_ops()</function>. It should suffice
in most cases (the size will be aligned to
<constant>PAGE_SIZE</constant> anyway), but if you need to handle
very large text files, you can set it explicitly, too.
<informalexample>
<programlisting>
<![CDATA[
entry->c.text.read_size = 65536;
]]>
</programlisting>
</informalexample>
</para>
<para>
For the write callback, you can use
<function>snd_info_get_line()</function> to get a text line, and