In case it helps, here's a patch that at least compiles. It still leaves
the declarations in the headers, so you might want to reorganize it.
I'm not sure if the reference to CONFIG_SND_SEQUENCER_MODULE is actually
required; doesn't that imply CONFIG_SND_SEQUENCER?
diff --git a/sound/drivers/opl3/opl3_synth.c b/sound/drivers/opl3/opl3_synth.c
index a7bf7a4..2c0a8fd 100644
--- a/sound/drivers/opl3/opl3_synth.c
+++ b/sound/drivers/opl3/opl3_synth.c
@@ -178,6 +178,8 @@ int snd_opl3_release(struct snd_hwdep * hw, struct file *file)
return 0;
}
+#if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
+
/*
* write the device - load patches
*/
@@ -341,6 +343,25 @@ void snd_opl3_clear_patches(struct snd_opl3 *opl3)
}
memset(opl3->patch_table, 0, sizeof(opl3->patch_table));
}
+#else /* SND_SEQUENCER not configured */
+
+/* Stub functions to avoid #ifdef in opl3_lib.c */
+long snd_opl3_write(struct snd_hwdep *hw, const char __user *buf, long count,
+ loff_t *offset)
+{
+ (void)hw;
+ (void)buf;
+ (void)count;
+ (void)offset;
+ return -ENXIO;
+}
+void snd_opl3_clear_patches(struct snd_opl3 *opl3)
+{
+ (void)opl3;
+}
+
+#endif
+
/* ------------------------------ */
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