Input: atmel_mxt_ts - improve bootloader progress output

By implementing a frame counter, print out fewer debug messages (the
firmware may contain hundreds of frames).
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Acked-by: Benson Leung <bleung@chromium.org>
Acked-by: Yufeng Shen <miletus@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/atmel_mxt_ts.c

@@ -1192,6 +1192,7 @@ static int mxt_load_fw(struct device *dev, const char *fn)
 	unsigned int frame_size;
 	unsigned int pos = 0;
 	unsigned int retry = 0;
+	unsigned int frame = 0;
 	int ret;
 
 	ret = request_firmware(&fw, fn, dev);
@@ -1251,9 +1252,12 @@ static int mxt_load_fw(struct device *dev, const char *fn)
 		} else {
 			retry = 0;
 			pos += frame_size;
+			frame++;
 		}
 
-		dev_dbg(dev, "Updated %d bytes / %zd bytes\n", pos, fw->size);
+		if (frame % 50 == 0)
+			dev_dbg(dev, "Sent %d frames, %d/%zd bytes\n",
+				frame, pos, fw->size);
 	}
 
 	/* Wait for flash. */
@@ -1262,6 +1266,8 @@ static int mxt_load_fw(struct device *dev, const char *fn)
 	if (ret)
 		goto disable_irq;
 
+	dev_dbg(dev, "Sent %d frames, %d bytes\n", frame, pos);
+
 	/*
 	 * Wait for device to reset. Some bootloader versions do not assert
 	 * the CHG line after bootloading has finished, so ignore potential