linux-kernel - [PATCH 16/22] Input: atmel_mxt_ts - improve bootloader progress output

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Date:	Mon, 17 Mar 2014 17:26:49 +0000
From:	Nick Dyer <nick.dyer@...ev.co.uk>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Yufeng Shen <miletus@...gle.com>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Henrik Rydberg <rydberg@...omail.se>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Alan Bowens <Alan.Bowens@...el.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Peter Meerwald <pmeerw@...erw.net>,
	Benson Leung <bleung@...omium.org>,
	Olof Johansson <olofj@...omium.org>,
	Nick Dyer <nick.dyer@...ev.co.uk>
Subject: [PATCH 16/22] 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@...ev.co.uk>
Acked-by: Benson Leung <bleung@...omium.org>
Acked-by: Yufeng Shen <miletus@...omium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
---
 drivers/input/touchscreen/atmel_mxt_ts.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 049d48a..b263ec3 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1432,6 +1432,7 @@ 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);
@@ -1491,9 +1492,12 @@ 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. */
@@ -1502,6 +1506,8 @@ 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
-- 
1.8.3.2

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