ASoC: rt5670: Constify ACPI device ids and register defaults

Constify the ACPI device ID array and the register map, no need to have
them writable at runtime. Also drop the unneeded RT5670_INIT_REG_LEN
define.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index cc7f84a150a7f03878795a7a96f991a6db5b1de5..f87a6dabbd493f80acebe32df75f1f19c2dbbe5a 100644 (file)
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -51,12 +51,11 @@ static const struct regmap_range_cfg rt5670_ranges[] = {
          .window_len = 0x1, },
 };
 
-static struct reg_default init_list[] = {
+static const struct reg_default init_list[] = {
        { RT5670_PR_BASE + 0x14, 0x9a8a },
        { RT5670_PR_BASE + 0x38, 0x3ba1 },
        { RT5670_PR_BASE + 0x3d, 0x3640 },
 };
-#define RT5670_INIT_REG_LEN ARRAY_SIZE(init_list)
 
 static const struct reg_default rt5670_reg[] = {
        { 0x00, 0x0000 },
@@ -2809,7 +2808,7 @@ static const struct i2c_device_id rt5670_i2c_id[] = {
 MODULE_DEVICE_TABLE(i2c, rt5670_i2c_id);
 
 #ifdef CONFIG_ACPI
-static struct acpi_device_id rt5670_acpi_match[] = {
+static const struct acpi_device_id rt5670_acpi_match[] = {
        { "10EC5670", 0},
        { },
 };