Re: sensor-hub: Move the memset to sensor_hub_get_feature()

[Ritesh Raj Sarraf <rrs@researchut.com>]

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Hi Srinivas,

Thank you very much for the quick reply.

On Wed, 2016-12-28 at 08:48 -0800, Srinivas Pandruvada wrote:
> Hi Ritesh,
> On Wed, 2016-12-28 at 18:53 +0530, Ritesh Raj Sarraf wrote:
> > Oh! That did not include my usb listing. Please find it below. If you
> > need more
> > information, please tell me.
> > 
> 
> Did you pick up the latest iio-sensor-proxy? There was some changes
> required in that.
> 

I tested it with 2.0, which was release around 3 weeks ago. Since then, there's
been 1 single change from today. I've picked that up and am building it now.
I'll share results with the newer proxy daemon soon.

> Also check under /sys/bus/iio/devices/iio:device*
> cat the raw x, y z for accelerometer and check if they change.

Thanks for mentioning this. The output on my setup looks suspicious.


rrs@learner:/sys/bus/iio/devices$ while true; do for x in iio*; do echo -en "Device: $x\t `cat $x/*[x-z]_raw`\n"; done; echo -en "sleep 2 secs\n\n"; sleep 2;  done
Device: iio:device0	 553
6
3561
Device: iio:device1	 -1644531
441406
- -2484375
cat: 'iio:device2/*[x-z]_raw': No such file or directory
Device: iio:device2	 
Device: iio:device3	 22381
- -22381
0
cat: 'iio:device4/*[x-z]_raw': No such file or directory
Device: iio:device4	 
Device: iio:device5	 15
64615
65220
sleep 2 secs

Device: iio:device0	 553
6
3561
Device: iio:device1	 -1644531
441406
- -2484375
cat: 'iio:device2/*[x-z]_raw': No such file or directory
Device: iio:device2	 
Device: iio:device3	 22381
- -22381
0
cat: 'iio:device4/*[x-z]_raw': No such file or directory
Device: iio:device4	 
Device: iio:device5	 15
64615
65220
sleep 2 secs

Device: iio:device0	 553
6
3561
Device: iio:device1	 -1644531
441406
- -2484375
cat: 'iio:device2/*[x-z]_raw': No such file or directory
Device: iio:device2	 
Device: iio:device3	 22381
- -22381
0
cat: 'iio:device4/*[x-z]_raw': No such file or directory
Device: iio:device4	 
Device: iio:device5	 15
64615
65220
sleep 2 secs

Device: iio:device0	 553
6
3561
Device: iio:device1	 -1644531
441406
- -2484375
cat: 'iio:device2/*[x-z]_raw': No such file or directory
Device: iio:device2	 
Device: iio:device3	 22381
- -22381
0
cat: 'iio:device4/*[x-z]_raw': No such file or directory
Device: iio:device4	 
Device: iio:device5	 15
64615
65220
sleep 2 secs

Device: iio:device0	 553
6
3561
Device: iio:device1	 -1644531
441406
- -2484375
cat: 'iio:device2/*[x-z]_raw': No such file or directory
Device: iio:device2	 
Device: iio:device3	 22381
- -22381
0
cat: 'iio:device4/*[x-z]_raw': No such file or directory
Device: iio:device4	 
Device: iio:device5	 15
64615
65220
sleep 2 secs

Device: iio:device0	 553
6
3561
Device: iio:device1	 -1644531
441406
- -2484375
cat: 'iio:device2/*[x-z]_raw': No such file or directory
Device: iio:device2	 
Device: iio:device3	 22381
- -22381
0
cat: 'iio:device4/*[x-z]_raw': No such file or directory
Device: iio:device4	 
Device: iio:device5	 15
64615
65220
sleep 2 secs

Device: iio:device0	 553
6
3561
Device: iio:device1	 -1644531
441406
- -2484375
cat: 'iio:device2/*[x-z]_raw': No such file or directory
Device: iio:device2	 
Device: iio:device3	 22381
- -22381
0
cat: 'iio:device4/*[x-z]_raw': No such file or directory
Device: iio:device4	 
Device: iio:device5	 15
64615
65220
sleep 2 secs

Device: iio:device0	 553
6
3561
Device: iio:device1	 -1644531
441406
- -2484375
cat: 'iio:device2/*[x-z]_raw': No such file or directory
Device: iio:device2	 
Device: iio:device3	 22381
- -22381
0
cat: 'iio:device4/*[x-z]_raw': No such file or directory
Device: iio:device4	 
Device: iio:device5	 15
64615
65220
sleep 2 secs

^C
2016-12-28 / 22:46:54 ♒♒♒  ☹  => 130  
rrs@learner:/sys/bus/iio/devices$ ls iio\:device2/
buffer/  in_intensity_both_raw    in_intensity_offset              in_intensity_scale  power/          subsystem@  uevent
dev      in_intensity_hysteresis  in_intensity_sampling_frequency  name                scan_elements/  trigger/
2016-12-28 / 22:47:08 ♒♒♒  ☺  

rrs@learner:/sys/bus/iio/devices$ cat iio\:device*/name
incli_3d
magn_3d
als
gyro_3d
dev_rotation
accel_3d
2016-12-28 / 22:47:29 ♒♒♒  ☺  

Device4, for which there are no x, y, z attributes, reports the name "dev_rotation".
Even for the other devices, I see no change in the reported values.

- -- 
Ritesh Raj Sarraf
RESEARCHUT - http://www.researchut.com
"Necessity is the mother of invention."
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