[alsa-devel] [PATCH 29/68] ALSA: cs46xx: More constifications
Takashi Iwai
tiwai at suse.de
Sun Jan 5 15:47:44 CET 2020
Apply const prefix to each possible place: the static tables for
registers and op codes, etc.
Just for minor optimization and no functional changes.
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
sound/pci/cs46xx/cs46xx_lib.c | 2 +-
sound/pci/cs46xx/dsp_spos.c | 4 ++--
sound/pci/cs46xx/dsp_spos_scb_lib.c | 6 +++---
3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index cbac9f1edc51..e46efae1e192 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -3745,7 +3745,7 @@ static struct cs_card_type cards[] = {
* APM support
*/
#ifdef CONFIG_PM_SLEEP
-static unsigned int saved_regs[] = {
+static const unsigned int saved_regs[] = {
BA0_ACOSV,
/*BA0_ASER_FADDR,*/
BA0_ASER_MASTER,
diff --git a/sound/pci/cs46xx/dsp_spos.c b/sound/pci/cs46xx/dsp_spos.c
index 887790ac33c6..05f3f6dc918d 100644
--- a/sound/pci/cs46xx/dsp_spos.c
+++ b/sound/pci/cs46xx/dsp_spos.c
@@ -27,7 +27,7 @@
static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
struct dsp_scb_descriptor * fg_entry);
-static enum wide_opcode wide_opcodes[] = {
+static const enum wide_opcode wide_opcodes[] = {
WIDE_FOR_BEGIN_LOOP,
WIDE_FOR_BEGIN_LOOP2,
WIDE_COND_GOTO_ADDR,
@@ -1038,7 +1038,7 @@ int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
int fifo_addr, fifo_span, valid_slots;
- static struct dsp_spos_control_block sposcb = {
+ static const struct dsp_spos_control_block sposcb = {
/* 0 */ HFG_TREE_SCB,HFG_STACK,
/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
/* 2 */ DSP_SPOS_DC,0,
diff --git a/sound/pci/cs46xx/dsp_spos_scb_lib.c b/sound/pci/cs46xx/dsp_spos_scb_lib.c
index 715ead59613d..2c5c9d4c1d94 100644
--- a/sound/pci/cs46xx/dsp_spos_scb_lib.c
+++ b/sound/pci/cs46xx/dsp_spos_scb_lib.c
@@ -1145,7 +1145,7 @@ find_next_free_scb (struct snd_cs46xx * chip, struct dsp_scb_descriptor * from)
return scb;
}
-static u32 pcm_reader_buffer_addr[DSP_MAX_PCM_CHANNELS] = {
+static const u32 pcm_reader_buffer_addr[DSP_MAX_PCM_CHANNELS] = {
0x0600, /* 1 */
0x1500, /* 2 */
0x1580, /* 3 */
@@ -1180,7 +1180,7 @@ static u32 pcm_reader_buffer_addr[DSP_MAX_PCM_CHANNELS] = {
0x2400, /* 32 */
};
-static u32 src_output_buffer_addr[DSP_MAX_SRC_NR] = {
+static const u32 src_output_buffer_addr[DSP_MAX_SRC_NR] = {
0x2B80,
0x2BA0,
0x2BC0,
@@ -1197,7 +1197,7 @@ static u32 src_output_buffer_addr[DSP_MAX_SRC_NR] = {
0x2E20
};
-static u32 src_delay_buffer_addr[DSP_MAX_SRC_NR] = {
+static const u32 src_delay_buffer_addr[DSP_MAX_SRC_NR] = {
0x2480,
0x2500,
0x2580,
--
2.16.4
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