ALSA: rme9652: More constifications

Apply const prefix to the channel map tables.

Just for minor optimization and no functional changes.

Link: https://lore.kernel.org/r/20200105144823.29547-21-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c
index 2cb5b03..c20e590 100644 (file)
--- a/sound/pci/rme9652/rme9652.c
+++ b/sound/pci/rme9652/rme9652.c
@@ -229,7 +229,7 @@ struct snd_rme9652 {
        int last_spdif_sample_rate;     /* so that we can catch externally ... */
        int last_adat_sample_rate;      /* ... induced rate changes            */
 
-        char *channel_map;
+       const char *channel_map;
 
        struct snd_card *card;
        struct snd_pcm *pcm;
@@ -246,12 +246,12 @@ struct snd_rme9652 {
    where the data for that channel can be read/written from/to.
 */
 
-static char channel_map_9652_ss[26] = {
+static const char channel_map_9652_ss[26] = {
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
        18, 19, 20, 21, 22, 23, 24, 25
 };
 
-static char channel_map_9636_ss[26] = {
+static const char channel_map_9636_ss[26] = {
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 
        /* channels 16 and 17 are S/PDIF */
        24, 25,
@@ -259,7 +259,7 @@ static char channel_map_9636_ss[26] = {
        -1, -1, -1, -1, -1, -1, -1, -1
 };
 
-static char channel_map_9652_ds[26] = {
+static const char channel_map_9652_ds[26] = {
        /* ADAT channels are remapped */
        1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
        /* channels 12 and 13 are S/PDIF */
@@ -268,7 +268,7 @@ static char channel_map_9652_ds[26] = {
        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
 };
 
-static char channel_map_9636_ds[26] = {
+static const char channel_map_9636_ds[26] = {
        /* ADAT channels are remapped */
        1, 3, 5, 7, 9, 11, 13, 15,
        /* channels 8 and 9 are S/PDIF */