Re: [build bug] sound/drivers/opl3/opl3_synth.c

[Takashi Iwai]

At Fri, 1 Feb 2008 11:17:23 +0100,
Ingo Molnar wrote:
> 
> today's upstream ALSA merge brought us build failures (exposed by 
> randconfig testing):
> 
> sound/drivers/opl3/opl3_synth.c: In function 'snd_opl3_find_patch':
> sound/drivers/opl3/opl3_synth.c:308: error: 'OPL3_PATCH_HASH_SIZE' undeclared (first use in this function)
> sound/drivers/opl3/opl3_synth.c:308: error: (Each undeclared identifier is reported only once
> sound/drivers/opl3/opl3_synth.c:308: error: for each function it appears in.)
> 
> config attached.

Thanks.  Could you try the fix patch below?


Takashi


[PATCH] Fix compilation of opl3 driver without sequencer support

Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>

---
diff -r a4c88cbfe2f1 sound/drivers/opl3/opl3_synth.c
--- a/sound/drivers/opl3/opl3_synth.c	Wed Jan 30 09:06:47 2008 +0100
+++ b/sound/drivers/opl3/opl3_synth.c	Fri Feb 01 11:42:12 2008 +0100
@@ -21,6 +21,10 @@
 
 #include <sound/opl3.h>
 #include <sound/asound_fm.h>
+
+#if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
+#define OPL3_SUPPORT_SYNTH
+#endif
 
 /*
  *    There is 18 possible 2 OP voices
@@ -155,9 +159,11 @@ int snd_opl3_ioctl(struct snd_hwdep * hw
 #endif
 		return snd_opl3_set_connection(opl3, (int) arg);
 
+#ifdef OPL3_SUPPORT_SYNTH
 	case SNDRV_DM_FM_IOCTL_CLEAR_PATCHES:
 		snd_opl3_clear_patches(opl3);
 		return 0;
+#endif
 
 #ifdef CONFIG_SND_DEBUG
 	default:
@@ -178,6 +184,7 @@ int snd_opl3_release(struct snd_hwdep * 
 	return 0;
 }
 
+#ifdef OPL3_SUPPORT_SYNTH
 /*
  * write the device - load patches
  */
@@ -341,6 +348,7 @@ void snd_opl3_clear_patches(struct snd_o
 	}
 	memset(opl3->patch_table, 0, sizeof(opl3->patch_table));
 }
+#endif /* OPL3_SUPPORT_SYNTH */
 
 /* ------------------------------ */
 
diff -r a4c88cbfe2f1 include/sound/opl3.h
--- a/include/sound/opl3.h	Wed Jan 30 09:06:47 2008 +0100
+++ b/include/sound/opl3.h	Fri Feb 01 11:42:12 2008 +0100
@@ -370,12 +370,13 @@ int snd_opl3_open(struct snd_hwdep * hw,
 int snd_opl3_open(struct snd_hwdep * hw, struct file *file);
 int snd_opl3_ioctl(struct snd_hwdep * hw, struct file *file,
 		   unsigned int cmd, unsigned long arg);
-long snd_opl3_write(struct snd_hwdep *hw, const char __user *buf, long count,
-		    loff_t *offset);
 int snd_opl3_release(struct snd_hwdep * hw, struct file *file);
 
 void snd_opl3_reset(struct snd_opl3 * opl3);
 
+#if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
+long snd_opl3_write(struct snd_hwdep *hw, const char __user *buf, long count,
+		    loff_t *offset);
 int snd_opl3_load_patch(struct snd_opl3 *opl3,
 			int prog, int bank, int type,
 			const char *name,
@@ -384,5 +385,9 @@ struct fm_patch *snd_opl3_find_patch(str
 struct fm_patch *snd_opl3_find_patch(struct snd_opl3 *opl3, int prog, int bank,
 				     int create_patch);
 void snd_opl3_clear_patches(struct snd_opl3 *opl3);
+#else
+#define snd_opl3_write	NULL
+static inline void snd_opl3_clear_patches(struct snd_opl3 *opl3) {}
+#endif
 
 #endif /* __SOUND_OPL3_H */
--
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