Mark structures that won't change const.
Signed-off-by: Daniel J Blueman <daniel@quora.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 
 }
 
-static struct snd_kcontrol_new cs421x_capture_source = {
-
+static const struct snd_kcontrol_new cs421x_capture_source = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = "Capture Source",
        .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 }
 #endif
 
-static struct hda_codec_ops cs421x_patch_ops = {
+static const struct hda_codec_ops cs421x_patch_ops = {
        .build_controls = cs421x_build_controls,
        .build_pcms = cs_build_pcms,
        .init = cs421x_init,