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From: Jonathan Cameron <jic23@kernel.org>
To: Peter Meerwald <pmeerw@pmeerw.net>,
	Dan Carpenter <dan.carpenter@oracle.com>
Cc: linux-iio@vger.kernel.org
Subject: Re: iio:magnetometer:mag3110: Scale factor missing for temperature
Date: Tue, 25 Feb 2014 20:49:55 +0000	[thread overview]
Message-ID: <530D01F3.1020209@kernel.org> (raw)
In-Reply-To: <alpine.DEB.2.01.1402252053550.30927@pmeerw.net>

On 25/02/14 20:00, Peter Meerwald wrote:
>
>> The patch f9279d3a8cc8: "iio:magnetometer:mag3110: Scale factor
>> missing for temperature" from Oct 1, 2014, leads to the following
>>                                ^^^^^^^^^^^
>> [ just the other day people were searching the internet for time
>>    travellers from the future ].
>
> this is indeed weird
Quite.  The interesting question is how did the date format get messed up.
>
>> 	drivers/iio/magnetometer/mag3110.c:197 mag3110_read_raw()
>> 	info: ignoring unreachable code.
>>
>> drivers/iio/magnetometer/mag3110.c
>>     185          case IIO_CHAN_INFO_SCALE:
>>     186                  switch (chan->type) {
>>     187                  case IIO_MAGN:
>>     188                          *val = 0;
>>     189                          *val2 = 1000;
>>     190                          return IIO_VAL_INT_PLUS_MICRO;
>>     191                  case IIO_TEMP:
>>     192                          *val = 1000;
>>     193                          return IIO_VAL_INT;
>>     194                  default:
>>     195                          return -EINVAL;
>>     196                  }
>>     197                  return IIO_VAL_INT_PLUS_MICRO;
>>                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> Was -EINVAL intended here?
>
> no, this is dead code as the checker indicated
>
> thanks for reporting, sent fix to linux-iio
>
> p.
>


      reply	other threads:[~2014-02-25 20:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-24 22:04 iio:magnetometer:mag3110: Scale factor missing for temperature Dan Carpenter
2014-02-25 19:53 ` [PATCH] iio:magnetometer:mag3110: Fix unreachable code Peter Meerwald
2014-02-25 20:50   ` Jonathan Cameron
2014-02-25 20:00 ` iio:magnetometer:mag3110: Scale factor missing for temperature Peter Meerwald
2014-02-25 20:49   ` Jonathan Cameron [this message]

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