ASoC: rt5645: Constify ACPI device ids

Constify the ACPI device ID array, no need to have it writable at
runtime. Also drop the unused RT5645_INIT_REG_LEN define.

Signed-off-by: Mathias Krause <[email protected]>
Cc: Bard Liao <[email protected]>
Cc: Oder Chiou <[email protected]>
Cc: John Lin <[email protected]>
Signed-off-by: Mark Brown <[email protected]>

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 57c8d9ecfde18f8b431f74a60aa7f834108b3556..bd23496a56ffe3a2d34171617d78c2261c86b2aa 100644 (file)
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -64,7 +64,6 @@ static const struct reg_sequence init_list[] = {
        {RT5645_PR_BASE + 0x21, 0x4040},
        {RT5645_PR_BASE + 0x23, 0x0004},
 };
-#define RT5645_INIT_REG_LEN ARRAY_SIZE(init_list)
 
 static const struct reg_sequence rt5650_init_list[] = {
        {0xf6,  0x0100},
@@ -3521,7 +3520,7 @@ static const struct i2c_device_id rt5645_i2c_id[] = {
 MODULE_DEVICE_TABLE(i2c, rt5645_i2c_id);
 
 #ifdef CONFIG_ACPI
-static struct acpi_device_id rt5645_acpi_match[] = {
+static const struct acpi_device_id rt5645_acpi_match[] = {
        { "10EC5645", 0 },
        { "10EC5650", 0 },
        {},