ALSA: ctxfi: More constifications

Apply const prefix to each possible place: the DAIO tables and the
register offset table.

Just for minor optimization and no functional changes.

Link: https://lore.kernel.org/r/20200105144823.29547-32-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/ctxfi/ctdaio.c b/sound/pci/ctxfi/ctdaio.c
index 27441d4..4cb47b5 100644 (file)
--- a/sound/pci/ctxfi/ctdaio.c
+++ b/sound/pci/ctxfi/ctdaio.c
@@ -29,7 +29,7 @@ struct daio_rsc_idx {
        unsigned short right;
 };
 
-static struct daio_rsc_idx idx_20k1[NUM_DAIOTYP] = {
+static const struct daio_rsc_idx idx_20k1[NUM_DAIOTYP] = {
        [LINEO1] = {.left = 0x00, .right = 0x01},
        [LINEO2] = {.left = 0x18, .right = 0x19},
        [LINEO3] = {.left = 0x08, .right = 0x09},
@@ -40,7 +40,7 @@ static struct daio_rsc_idx idx_20k1[NUM_DAIOTYP] = {
        [SPDIFI1] = {.left = 0x95, .right = 0x9d},
 };
 
-static struct daio_rsc_idx idx_20k2[NUM_DAIOTYP] = {
+static const struct daio_rsc_idx idx_20k2[NUM_DAIOTYP] = {
        [LINEO1] = {.left = 0x40, .right = 0x41},
        [LINEO2] = {.left = 0x60, .right = 0x61},
        [LINEO3] = {.left = 0x50, .right = 0x51},

diff --git a/sound/pci/ctxfi/ctresource.c b/sound/pci/ctxfi/ctresource.c
index 0bb5696..61e51e3 100644 (file)
--- a/sound/pci/ctxfi/ctresource.c
+++ b/sound/pci/ctxfi/ctresource.c
@@ -92,7 +92,7 @@ int mgr_put_resource(struct rsc_mgr *mgr, unsigned int n, unsigned int idx)
        return 0;
 }
 
-static unsigned char offset_in_audio_slot_block[NUM_RSCTYP] = {
+static const unsigned char offset_in_audio_slot_block[NUM_RSCTYP] = {
        /* SRC channel is at Audio Ring slot 1 every 16 slots. */
        [SRC]           = 0x1,
        [AMIXER]        = 0x4,