ALSA: wavefront - add const

Fix const to non-const pointer cast warning in wavefront_synth.c.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c
index 95eeca163354..0bb9b9256601 100644
--- a/sound/isa/wavefront/wavefront_synth.c
+++ b/sound/isa/wavefront/wavefront_synth.c
@@ -1939,7 +1939,7 @@ static int __devinit
 wavefront_download_firmware (snd_wavefront_t *dev, char *path)
 
 {
-        unsigned char *buf;
+        const unsigned char *buf;
         int len, err;
         int section_cnt_downloaded = 0;
         const struct firmware *firmware;