Merge remote-tracking branch 'mvebu/for-next'

[karo-tx-linux.git] / Documentation / DocBook / writing-an-alsa-driver.tmpl

diff --git a/Documentation/DocBook/writing-an-alsa-driver.tmpl b/Documentation/DocBook/writing-an-alsa-driver.tmpl
index 84ef6a90131c2ea44410f9f3c53f6b56a499bfe5..a27ab9f53fb68a62652bff8ed847322a838cd41d 100644 (file)
--- a/Documentation/DocBook/writing-an-alsa-driver.tmpl
+++ b/Documentation/DocBook/writing-an-alsa-driver.tmpl
@@ -2181,10 +2181,6 @@ struct _snd_pcm_runtime {
        struct snd_pcm_hardware hw;
        struct snd_pcm_hw_constraints hw_constraints;
 
-       /* -- interrupt callbacks -- */
-       void (*transfer_ack_begin)(struct snd_pcm_substream *substream);
-       void (*transfer_ack_end)(struct snd_pcm_substream *substream);
-
        /* -- timer -- */
        unsigned int timer_resolution;  /* timer resolution */
 
@@ -2209,9 +2205,8 @@ struct _snd_pcm_runtime {
          For the operators (callbacks) of each sound driver, most of
        these records are supposed to be read-only.  Only the PCM
        middle-layer changes / updates them.  The exceptions are
-       the hardware description (hw), interrupt callbacks
-       (transfer_ack_xxx), DMA buffer information, and the private
-       data.  Besides, if you use the standard buffer allocation
+       the hardware description (hw) DMA buffer information and the
+       private data.  Besides, if you use the standard buffer allocation
        method via <function>snd_pcm_lib_malloc_pages()</function>,
        you don't need to set the DMA buffer information by yourself.
        </para>
@@ -2538,16 +2533,6 @@ struct _snd_pcm_runtime {
         </para>
        </section>
 
-       <section id="pcm-interface-runtime-intr">
-       <title>Interrupt Callbacks</title>
-       <para>
-       The field <structfield>transfer_ack_begin</structfield> and
-       <structfield>transfer_ack_end</structfield> are called at
-       the beginning and at the end of
-       <function>snd_pcm_period_elapsed()</function>, respectively. 
-       </para>
-       </section>
-
     </section>
 
     <section id="pcm-interface-operators">