ALSA: hdsp: More constifications

Apply const prefix to each channel map table and its callers.

Just for minor optimization and no functional changes.

Link: https://lore.kernel.org/r/20200105144823.29547-19-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-01-05 15:47:33 +01:00
parent 6e9ef32fab
commit d92596402d

View File

@ -479,7 +479,7 @@ struct hdsp {
pid_t playback_pid;
int running;
int system_sample_rate;
char *channel_map;
const char *channel_map;
int dev;
int irq;
unsigned long port;
@ -501,12 +501,12 @@ struct hdsp {
where the data for that channel can be read/written from/to.
*/
static char channel_map_df_ss[HDSP_MAX_CHANNELS] = {
static const char channel_map_df_ss[HDSP_MAX_CHANNELS] = {
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_mf_ss[HDSP_MAX_CHANNELS] = { /* Multiface */
static const char channel_map_mf_ss[HDSP_MAX_CHANNELS] = { /* Multiface */
/* Analog */
0, 1, 2, 3, 4, 5, 6, 7,
/* ADAT 2 */
@ -516,7 +516,7 @@ static char channel_map_mf_ss[HDSP_MAX_CHANNELS] = { /* Multiface */
-1, -1, -1, -1, -1, -1, -1, -1
};
static char channel_map_ds[HDSP_MAX_CHANNELS] = {
static const char channel_map_ds[HDSP_MAX_CHANNELS] = {
/* ADAT channels are remapped */
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
/* channels 12 and 13 are S/PDIF */
@ -525,7 +525,7 @@ static char channel_map_ds[HDSP_MAX_CHANNELS] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
static char channel_map_H9632_ss[HDSP_MAX_CHANNELS] = {
static const char channel_map_H9632_ss[HDSP_MAX_CHANNELS] = {
/* ADAT channels */
0, 1, 2, 3, 4, 5, 6, 7,
/* SPDIF */
@ -539,7 +539,7 @@ static char channel_map_H9632_ss[HDSP_MAX_CHANNELS] = {
-1, -1
};
static char channel_map_H9632_ds[HDSP_MAX_CHANNELS] = {
static const char channel_map_H9632_ds[HDSP_MAX_CHANNELS] = {
/* ADAT */
1, 3, 5, 7,
/* SPDIF */
@ -553,7 +553,7 @@ static char channel_map_H9632_ds[HDSP_MAX_CHANNELS] = {
-1, -1, -1, -1, -1, -1
};
static char channel_map_H9632_qs[HDSP_MAX_CHANNELS] = {
static const char channel_map_H9632_qs[HDSP_MAX_CHANNELS] = {
/* ADAT is disabled in this mode */
/* SPDIF */
8, 9,