From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Zubair Lutfullah : <zubair.lutfullah@gmail.com>
Cc: jic23@cam.ac.uk, dmitry.torokhov@gmail.com,
linux-iio@vger.kernel.org, linux-input@vger.kernel.org,
linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org,
Felipe Balbi <balbi@ti.com>
Subject: Re: Testing ti_am335x_adc continuous mode (WAS: Re: [PATCH 2/2]
Date: Mon, 07 Oct 2013 14:59:24 +0200 [thread overview]
Message-ID: <5252B02C.2080707@linutronix.de> (raw)
In-Reply-To: <20131007125025.GA4655@gmail.com>
On 10/07/2013 02:50 PM, Zubair Lutfullah : wrote:
>> and the output is:
>> |00000000 37 02 92 02 1f 07 0a 06 20 06 31 06 2f 07 2a 07
>> |00000010 2b 07 2d 07 2c 07 28 07 2c 07 2b 07 2b 07 0c 06
>> |00000020 21 06 32 06 2e 07 2c 07 2a 07 2a 07 2c 07 2b 07
>> |00000030 29 07 27 07 28 07 29 07 2a 07 0d 06 21 06 35 06
>>
>> The first entry is in the range that I would expect. The second is
>> slitghly higher. The third and following entries are out of range. Have
>> you observed something like that? Is my testing close to what you have
>> done or did I make an mistake here?
>
> I can't read the hex dump easily..
The first one "37 02" => 0x0237 => 567. The next 658 and the following
have mostly a 7 in the upper 8 bit which means the result is 1792+
> Keep in mind that the driver now uses 16 bit storage.
Yes, I do.
> Also, I used generic_buffer.c after removing the trigger checks.
Do you mind posting it?
>
> The driver would report stable values for 1.8V on one channel and gnd
> on another channel.
Okay. That sounds good.
>
> Hope this helps
> ZubairLK
Sebastian
next prev parent reply other threads:[~2013-10-07 12:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-18 11:23 [PATCH V10 0/2] iio: input: ti_am335x_adc: Add continuous sampling support Zubair Lutfullah
2013-09-18 11:23 ` [PATCH 1/2] input: ti_am335x_tsc: Enable shared IRQ for TSC Zubair Lutfullah
2013-09-18 11:23 ` [PATCH 2/2] iio: ti_am335x_adc: Add continuous sampling support Zubair Lutfullah
2013-09-18 13:58 ` Jonathan Cameron
2013-09-19 5:24 ` Zubair Lutfullah :
2013-09-19 5:41 ` Jonathan Cameron
2013-09-19 5:55 ` Zubair Lutfullah :
2013-10-07 11:53 ` Testing ti_am335x_adc continuous mode (WAS: Re: [PATCH 2/2] Sebastian Andrzej Siewior
2013-10-07 12:50 ` Zubair Lutfullah :
2013-10-07 12:59 ` Sebastian Andrzej Siewior [this message]
2013-10-07 13:18 ` Zubair Lutfullah :
2013-10-07 13:26 ` Sebastian Andrzej Siewior
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5252B02C.2080707@linutronix.de \
--to=bigeasy@linutronix.de \
--cc=balbi@ti.com \
--cc=dmitry.torokhov@gmail.com \
--cc=gregkh@linuxfoundation.org \
--cc=jic23@cam.ac.uk \
--cc=linux-iio@vger.kernel.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=zubair.lutfullah@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).