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From: Jonathan Cameron <jic23@cam.ac.uk>
To: michael.hennerich@analog.com
Cc: linux-iio@vger.kernel.org, drivers@analog.com,
	device-drivers-devel@blackfin.uclinux.org
Subject: Re: [PATCH 4/6] IIO: GYRO: ADXRS450: enforce sequential transfer delay of at least 0.1ms
Date: Fri, 29 Apr 2011 13:12:06 +0100	[thread overview]
Message-ID: <4DBAAB16.3020208@cam.ac.uk> (raw)
In-Reply-To: <1304074721-18159-4-git-send-email-michael.hennerich@analog.com>

On 04/29/11 11:58, michael.hennerich@analog.com wrote:
> From: Michael Hennerich <michael.hennerich@analog.com>
> 
> 
Fair enough. Nasty hardware requirement of the day award goes to....
> Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
> ---
>  drivers/staging/iio/gyro/adxrs450_core.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/staging/iio/gyro/adxrs450_core.c b/drivers/staging/iio/gyro/adxrs450_core.c
> index 5671276..d73acff 100644
> --- a/drivers/staging/iio/gyro/adxrs450_core.c
> +++ b/drivers/staging/iio/gyro/adxrs450_core.c
> @@ -116,6 +116,7 @@ static int adxrs450_spi_write_reg_16(struct device *dev,
>  	if (ret)
>  		dev_err(&st->us->dev, "problem while writing 16 bit register 0x%02x\n",
>  				reg_address);
> +	msleep(1); /* enforce sequential transfer delay 0.1ms */
>  	mutex_unlock(&st->buf_lock);
>  	return ret;
>  }


  reply	other threads:[~2011-04-29 12:09 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-29 10:58 [PATCH 1/6] IIO: GYRO: ADXRS450: Don't issue two messages, use two transfers michael.hennerich
2011-04-29 10:58 ` [PATCH 2/6] IIO: GYRO: ADXRS450: Cleanup result extraction and update license notice michael.hennerich
2011-04-29 12:08   ` Jonathan Cameron
2011-04-29 10:58 ` [PATCH 3/6] IIO: GYRO: ADXRS450: Add missing parity bit generation michael.hennerich
2011-04-29 12:09   ` Jonathan Cameron
2011-04-29 10:58 ` [PATCH 4/6] IIO: GYRO: ADXRS450: enforce sequential transfer delay of at least 0.1ms michael.hennerich
2011-04-29 12:12   ` Jonathan Cameron [this message]
2011-04-29 10:58 ` [PATCH 5/6] IIO: GYRO: ADXRS450: Fix sign issues, properly shift results and limit values michael.hennerich
2011-04-29 12:14   ` Jonathan Cameron
2011-04-29 10:58 ` [PATCH 6/6] IIO: GYRO: ADXRS450: Don't exit probe, in case the power on default is not met michael.hennerich
2011-04-29 12:15   ` Jonathan Cameron
2011-04-29 12:05 ` [PATCH 1/6] IIO: GYRO: ADXRS450: Don't issue two messages, use two transfers Jonathan Cameron
  -- strict thread matches above, loose matches on Subject: below --
2011-04-29 12:16 michael.hennerich
2011-04-29 12:17 ` [PATCH 4/6] IIO: GYRO: ADXRS450: enforce sequential transfer delay of at least 0.1ms michael.hennerich

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