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Re: [PATCH v4] iio: accel: mma8452: improvements to handle multiple events

From Harinath Nampally <harinath922@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v4] iio: accel: mma8452: improvements to handle multiple events
Date 2017-08-23 02:40 +0200
Message-ID <uhrSa-1HS-23@gated-at.bofh.it> (permalink)
References <ugAXx-Ka-27@gated-at.bofh.it> <ugQzf-20E-5@gated-at.bofh.it>
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>
> If rising: use transient OR ff_mt device-dependent like before. But 
> now save it in a simple flag,
> whether transient registers are available.
Ok, is it good idea to add the flag to struct mma_chip_info like below?

   * @mma_scales:                        scale factors for converting 
register values
   *                             to m/s^2; 3 modes: 2g, 4g, 8g; 2 integers
   *                             per mode: m/s^2 and micro m/s^2
+ * @transient_supported:       flag indicating whether chip support 
transient
+ *                             event, as not all chips support 
transient event
   */
  struct mma_chip_info {
         u8 chip_id;
         const struct iio_chan_spec *channels;
         int num_channels;
         const int mma_scales[3][2];
+       bool transient_supported;
  };

>
> If falling: switch to ff_mt in any case. (fixing freefall for the 
> transient-devices) 
ok sure.

Thanks,

Hari

On 08/21/2017 04:47 AM, Martin Kepplinger wrote:
>
> If rising: use transient OR ff_mt device-dependent like before. But 
> now save it in a simple flag,
> whether transient registers are available.
>
> If falling: switch to ff_mt in any case. (fixing freefall for the 
> transient-devices) 

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Thread

[PATCH v4]     iio: accel: mma8452: improvements to handle multiple events Harinath Nampally <harinath922@gmail.com> - 2017-08-20 18:10 +0200
  Re: [PATCH v4]     iio: accel: mma8452: improvements to handle  multiple events Martin Kepplinger <martink@posteo.de> - 2017-08-21 10:50 +0200
    Re: [PATCH v4] iio: accel: mma8452: improvements to handle multiple  events Harinath Nampally <harinath922@gmail.com> - 2017-08-23 02:40 +0200
      Re: [PATCH v4] iio: accel: mma8452: improvements to handle multiple  events Martin Kepplinger <martink@posteo.de> - 2017-08-23 07:00 +0200
        Re: [PATCH v4] iio: accel: mma8452: improvements to handle multiple events harinath Nampally <harinath922@gmail.com> - 2017-08-24 04:50 +0200

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