quirks: add quirks_get_double()

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

src/quirks.c

@@ -54,6 +54,7 @@ enum property_type {
 	PT_BOOL,
 	PT_DIMENSION,
 	PT_RANGE,
+	PT_DOUBLE,
 };
 
 /**
@@ -74,6 +75,7 @@ struct property {
 		char *s;
 		struct quirk_dimensions dim;
 		struct quirk_range range;
+		double d;
 	} value;
 };
 
@@ -1434,6 +1436,24 @@ quirks_get_uint32(struct quirks *q, enum quirk which, uint32_t *val)
 	return true;
 }
 
+bool
+quirks_get_double(struct quirks *q, enum quirk which, double *val)
+{
+	struct property *p;
+
+	if (!q)
+		return false;
+
+	p = quirk_find_prop(q, which);
+	if (!p)
+		return false;
+
+	assert(p->type == PT_DOUBLE);
+	*val = p->value.d;
+
+	return true;
+}
+
 bool
 quirks_get_string(struct quirks *q, enum quirk which, char **val)
 {

src/quirks.h

@@ -216,6 +216,19 @@ quirks_get_int32(struct quirks *q,
 		 enum quirk which,
 		 int32_t *val);
 
+/**
+ * Get the value of the given quirk, as double.
+ * This function will assert if the quirk type does not match the
+ * requested type. If the quirk is not set for this device, val is
+ * unchanged.
+ *
+ * @return true if the quirk value is valid, false otherwise.
+ */
+bool
+quirks_get_double(struct quirks *q,
+		  enum quirk which,
+		  double *val);
+
 /**
  * Get the value of the given quirk, as string.
  * This function will assert if the quirk type does not match the

tools/shared.c

@@ -630,6 +630,7 @@ tools_list_device_quirks(struct quirks_context *ctx,
 		struct quirk_range r;
 		uint32_t v;
 		char *s;
+		double d;
 
 		if (!quirks_has_quirk(quirks, *q))
 			continue;