ALSA: line6: Constify snd_ratden definitions
The snd_ratden definitions used in line6 drivers are all read-only, so
they can be marked as const.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-51-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c
index d0a555d..94dd5e7 100644
--- a/sound/usb/line6/toneport.c
+++ b/sound/usb/line6/toneport.c
@@ -63,7 +63,7 @@ static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2);
#define TONEPORT_PCM_DELAY 1
-static struct snd_ratden toneport_ratden = {
+static const struct snd_ratden toneport_ratden = {
.num_min = 44100,
.num_max = 44100,
.num_step = 1,
