ALSA: bcd2000: constify usb_device_id.

usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/bcd2000/bcd2000.c b/sound/usb/bcd2000/bcd2000.c
index 2ff9d57..7371e5b 100644 (file)
--- a/sound/usb/bcd2000/bcd2000.c
+++ b/sound/usb/bcd2000/bcd2000.c
@@ -29,7 +29,7 @@
 #define PREFIX "snd-bcd2000: "
 #define BUFSIZE 64
 
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
        { USB_DEVICE(0x1397, 0x00bd) },
        { },
 };