[alsa-devel] [PATCH 18/68] ALSA: hdsp: More constifications

Takashi Iwai tiwai at suse.de
Sun Jan 5 15:47:33 CET 2020


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

Just for minor optimization and no functional changes.

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/pci/rme9652/hdsp.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
index 632f7878ff3e..ba2a47dd384c 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -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,
-- 
2.16.4



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