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>

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 5fb5b22..9bf32c3 100644 (file)
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/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