[PATCH v2 7/8] ACPI: property: Skip MIPI property table without "mipi-img" prefix

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For all _DSD properties, skip going through the MIPI DisCo for Imaging
property name substitution table if the property doesn't have "mipi-img-"
prefix.

Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
 drivers/acpi/mipi.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/acpi/mipi.c b/drivers/acpi/mipi.c
index 9177170952104..3cb698b094ac1 100644
--- a/drivers/acpi/mipi.c
+++ b/drivers/acpi/mipi.c
@@ -681,16 +681,18 @@ void acpi_init_swnodes(struct acpi_device *device)
 	device->fwnode.secondary = software_node_fwnode(ads->nodes);
 }
 
+#define MIPI_IMG_PREFIX "mipi-img-"
+
 static const struct mipi_disco_prop {
 	const char *mipi_prop;
 	const char *dt_prop;
 } mipi_disco_props[] = {
-	{ "mipi-img-lens-focus", "lens-focus" },
-	{ "mipi-img-flash-leds", "flash-leds" },
-	{ "mipi-img-clock-frequency", "clock-frequency" },
-	{ "mipi-img-led-max-current", "led-max-microamp" },
-	{ "mipi-img-flash-max-current", "flash-max-microamp" },
-	{ "mipi-img-flash-max-timeout", "flash-max-timeout-us" },
+	{ MIPI_IMG_PREFIX "lens-focus", "lens-focus" },
+	{ MIPI_IMG_PREFIX "flash-leds", "flash-leds" },
+	{ MIPI_IMG_PREFIX "clock-frequency", "clock-frequency" },
+	{ MIPI_IMG_PREFIX "led-max-current", "led-max-microamp" },
+	{ MIPI_IMG_PREFIX "flash-max-current", "flash-max-microamp" },
+	{ MIPI_IMG_PREFIX "flash-max-timeout", "flash-max-timeout-us" },
 };
 
 /**
@@ -706,6 +708,9 @@ void acpi_properties_prepare_mipi(union acpi_object *elements)
 {
 	unsigned int i;
 
+	if (!str_has_prefix(elements[0].string.pointer, MIPI_IMG_PREFIX))
+		return;
+
 	/* Replace MIPI DisCo for Imaging property names with DT equivalents. */
 	for (i = 0; i < ARRAY_SIZE(mipi_disco_props); i++) {
 		if (!strcmp(mipi_disco_props[i].mipi_prop,
-- 
2.30.2




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