ALSA: usb-audio: Constify audioformat pointer references
The audioformat is referred in many places but most of usages are
read-only. Let's add const prefix in the possible places.
Tested-by: Keith Milner <kamilner@superlative.org>
Tested-by: Dylan Robinson <dylan_robinson@motu.com>
Link: https://lore.kernel.org/r/20201123085347.19667-28-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index b8f06a7..49fb934 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -623,7 +623,7 @@ bool snd_usb_endpoint_compatible(struct snd_usb_audio *chip,
*/
struct snd_usb_endpoint *
snd_usb_endpoint_open(struct snd_usb_audio *chip,
- struct audioformat *fp,
+ const struct audioformat *fp,
const struct snd_pcm_hw_params *params,
bool is_sync_ep)
{