Changeset 328 for GPL/trunk/alsa-kernel/include/sound/pcm.h

Timestamp:

Mar 30, 2008, 8:59:18 AM (17 years ago)

Author:

Brendan Oakley

Message:

Added option for ACPI support provided by Pavel, requires AcpiDrv.lib

File:

• GPL/trunk/alsa-kernel/include/sound/pcm.h (modified) (1 diff)

GPL/trunk/alsa-kernel/include/sound/pcm.h

@@ -654 +654 @@
 {
         snd_pcm_sframes_t avail = runtime->status->hw_ptr + runtime->buffer_size - runtime->control->appl_ptr;
+
+#if defined TARGET_OS2 && ACPI
+       if ( runtime->buffer_size > runtime->control->appl_ptr)
+          avail = runtime->status->hw_ptr + runtime->buffer_size - runtime->control->appl_ptr;
+       else
+       {
+
+          avail = runtime->control->appl_ptr - runtime->status->hw_ptr;
+          if ( avail > runtime->buffer_size )
+             avail = 0;
+          else
+             avail = runtime->buffer_size - avail;
+       }
+#endif /* TARGET_OS2 && ACPI */
         if (avail < 0)
                 avail += runtime->boundary;