[27/68] ALSA: nm256: More constifications
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Message ID 20200105144823.29547-28-tiwai@suse.de
State New
Headers show
Series
  • ALSA: Constifications, take #2
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Commit Message

Takashi Iwai Jan. 5, 2020, 2:47 p.m. UTC
Apply const prefix to the static tables coefs and init registers.

Just for minor optimization and no functional changes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/nm256/nm256.c      | 4 ++--
 sound/pci/nm256/nm256_coef.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

Patch
diff mbox series

diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c
index 25275a98e950..1726f2959ae8 100644
--- a/sound/pci/nm256/nm256.c
+++ b/sound/pci/nm256/nm256.c
@@ -299,7 +299,7 @@  snd_nm256_writel(struct nm256 *chip, int offset, u32 val)
 }
 
 static inline void
-snd_nm256_write_buffer(struct nm256 *chip, void *src, int offset, int size)
+snd_nm256_write_buffer(struct nm256 *chip, const void *src, int offset, int size)
 {
 	offset -= chip->buffer_start;
 #ifdef CONFIG_SND_DEBUG
@@ -1179,7 +1179,7 @@  struct initialValues {
 	unsigned short value;
 };
 
-static struct initialValues nm256_ac97_init_val[] =
+static const struct initialValues nm256_ac97_init_val[] =
 {
 	{ AC97_MASTER, 		0x8000 },
 	{ AC97_HEADPHONE,	0x8000 },
diff --git a/sound/pci/nm256/nm256_coef.c b/sound/pci/nm256/nm256_coef.c
index c757252119b1..f0599dbe8492 100644
--- a/sound/pci/nm256/nm256_coef.c
+++ b/sound/pci/nm256/nm256_coef.c
@@ -1,7 +1,7 @@ 
 // SPDX-License-Identifier: GPL-2.0
 #define NM_TOTAL_COEFF_COUNT 0x3158
 
-static char coefficients[NM_TOTAL_COEFF_COUNT * 4] = { 
+static const char coefficients[NM_TOTAL_COEFF_COUNT * 4] = {
 	0xFF, 0xFF, 0x2F, 0x00, 0x4B, 0xFF, 0xA5, 0x01, 0xEF, 0xFC, 0x21,
 	0x05, 0x87, 0xF7, 0x62, 0x11, 0xE9, 0x45, 0x5E, 0xF9, 0xB5, 0x01,
 	0xDE, 0xFF, 0xA4, 0xFF, 0x60, 0x00, 0xCA, 0xFF, 0x0D, 0x00, 0xFD,
@@ -4598,7 +4598,7 @@  static char coefficients[NM_TOTAL_COEFF_COUNT * 4] = {
 	0x01, 0x8D, 0xFF, 0x0F, 0x00 
 };
 
-static u16
+static const u16
 coefficient_sizes[8 * 2] = {
 	/* Playback */
 	0x00C0, 0x5000, 0x0060, 0x2800, 0x0040, 0x0060, 0x1400, 0x0000,