X-Git-Url: https://git.ao2.it/libam7xxx.git/blobdiff_plain/3e874361f193d7ce9dec3971fd1d4923fea1a9a5..bdf46231090f97e1d941b5b24078fc40140738c4:/src/am7xxx.c

diff --git a/src/am7xxx.c b/src/am7xxx.c
index 512cf6f..51bce40 100644
--- a/src/am7xxx.c
+++ b/src/am7xxx.c
@@ -30,11 +30,12 @@
 
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 
-/* If we're not using GNU C, elide __attribute__
+/*
+ * If we're not using GNU C, elide __attribute__
  * taken from: http://unixwiz.net/techtips/gnu-c-attributes.html)
  */
 #ifndef __GNUC__
-#  define  __attribute__(x)  /* NOTHING */
+	#define  __attribute__(x)  /* NOTHING */
 #endif
 
 /* Control shared library symbols visibility */
@@ -414,7 +415,7 @@ static int send_data(am7xxx_device *dev, uint8_t *buffer, unsigned int len)
 	return 0;
 }
 
-static void send_data_async_complete_cb(struct libusb_transfer *transfer)
+static void LIBUSB_CALL send_data_async_complete_cb(struct libusb_transfer *transfer)
 {
 	am7xxx_device *dev = (am7xxx_device *)(transfer->user_data);
 	int *completed = &(dev->transfer_completed);
@@ -1179,14 +1180,14 @@ AM7XXX_PUBLIC int am7xxx_open_device(am7xxx_context *ctx, am7xxx_device **dev,
 	 * is the first one to be sent to the device in order for it to
 	 * successfully return the correct device information.
 	 *
-	 * So, if there is not a cached version of it (from a previous open),
-	 * we ask for device info at open time,
+	 * NOTE: am7xxx_get_device_info() will fetch the actual device info
+	 * from the device only the very first time it's called for a given
+	 * device, otherwise, it'll return a cached version of the device info
+	 * (from a previous call to am7xxx_open_device(), for instance).
 	 */
-	if ((*dev)->device_info == NULL) {
-		ret = am7xxx_get_device_info(*dev, NULL);
-		if (ret < 0)
-			error(ctx, "cannot get device info\n");
-	}
+	ret = am7xxx_get_device_info(*dev, NULL);
+	if (ret < 0)
+		error(ctx, "cannot get device info\n");
 
 out:
 	return ret;