From: Lars-Peter Clausen <lars@metafoo.de>
To: Sean Nyekjaer <sean.nyekjaer@prevas.dk>, linux-iio@vger.kernel.org
Subject: Re: [PATCH] iio:dac:ad5755 fixed SPI_MODE
Date: Wed, 27 Jan 2016 15:45:20 +0100 [thread overview]
Message-ID: <56A8D800.3030804@metafoo.de> (raw)
In-Reply-To: <1453905547-27938-1-git-send-email-sean.nyekjaer@prevas.dk>
On 01/27/2016 03:39 PM, Sean Nyekjaer wrote:
> According to datasheet data is latched on the falling edge of the SCK.
>
> I agree it works in SPI_MODE_0 on the eval kit, but in other configurations
> with optic isolators (that adds a small delay). We are falling out of spec.
>
> Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Hi,
The SPI mode is usually specified in the spi_board_info struct or devicetree
rather than hardcoding it in the driver.
- Lars
next prev parent reply other threads:[~2016-01-27 14:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-27 14:39 [PATCH] iio:dac:ad5755 fixed SPI_MODE Sean Nyekjaer
2016-01-27 14:45 ` Lars-Peter Clausen [this message]
2016-01-27 15:33 ` Sean Nyekjær
2016-01-27 15:45 ` Lars-Peter Clausen
2016-01-28 7:29 ` Sean Nyekjær
2016-01-30 15:13 ` Lars-Peter Clausen
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