ASoC: rt5640: Omit ACPI match table only if !ACPI

The ACPI_PTR() macro evaluates to NULL if ACPI is disabled and hence the
ACPI match table won't be used, causing the compiler to complain. Avoid
this by protecting the table using an #ifdef CONFIG_ACPI.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index 0bfb960e90f8..641eeeb00c5c 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -2082,11 +2082,13 @@ static const struct i2c_device_id rt5640_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, rt5640_i2c_id);
 
+#ifdef CONFIG_ACPI
 static struct acpi_device_id rt5640_acpi_match[] = {
         { "INT33CA", 0 },
         { },
 };
 MODULE_DEVICE_TABLE(acpi, rt5640_acpi_match);
+#endif
 
 static int rt5640_parse_dt(struct rt5640_priv *rt5640, struct device_node *np)
 {