linux-kernel - [057/105] staging: IIO: IMU: ADIS16400: Add delay after self test

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Message-Id: <20110412143554.073137612@clark.kroah.org>
Date:	Tue, 12 Apr 2011 07:34:46 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Michael Hennerich <michael.hennerich@...log.com>,
	Jonathan Cameron <jic23@....ac.uk>
Subject: [057/105] staging: IIO: IMU: ADIS16400: Add delay after self test

2.6.38-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Michael Hennerich <michael.hennerich@...log.com>

commit c59c95ce6ace6d256401fc3a3648a95375ef4e63 upstream.

Add delay after self test to satisfy timing requirements.
Increase start-up delay.

Signed-off-by: Michael Hennerich <michael.hennerich@...log.com>
Acked-by: Jonathan Cameron <jic23@....ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/staging/iio/imu/adis16400.h      |    3 ++-
 drivers/staging/iio/imu/adis16400_core.c |    2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/staging/iio/imu/adis16400.h
+++ b/drivers/staging/iio/imu/adis16400.h
@@ -17,7 +17,8 @@
 #ifndef SPI_ADIS16400_H_
 #define SPI_ADIS16400_H_
 
-#define ADIS16400_STARTUP_DELAY	220 /* ms */
+#define ADIS16400_STARTUP_DELAY	290 /* ms */
+#define ADIS16400_MTEST_DELAY 90 /* ms */
 
 #define ADIS16400_READ_REG(a)    a
 #define ADIS16400_WRITE_REG(a) ((a) | 0x80)
--- a/drivers/staging/iio/imu/adis16400_core.c
+++ b/drivers/staging/iio/imu/adis16400_core.c
@@ -373,7 +373,7 @@ static int adis16400_self_test(struct de
 		dev_err(dev, "problem starting self test");
 		goto err_ret;
 	}
-
+	msleep(ADIS16400_MTEST_DELAY);
 	adis16400_check_status(dev);
 
 err_ret:


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