linux-kernel - Re: [BUG] [PATCH] iio: mma8452: use iio event type IIO_EV_TYPE

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Date:	Sun, 19 Jul 2015 14:33:20 +0100
From:	Jonathan Cameron <jic23@...nel.org>
To:	Martin Kepplinger <martink@...teo.de>, knaack.h@....de,
	lars@...afoo.de, pmeerw@...erw.net, mfuzzey@...keon.com,
	roberta.dobrescu@...il.com, linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org
CC:	Martin Kepplinger <martin.kepplinger@...obroma-systems.com>,
	Christoph Muellner <christoph.muellner@...obroma-systems.com>,
	stable@...r.kernel.org
Subject: Re: [BUG] [PATCH] iio: mma8452: use iio event type IIO_EV_TYPE_MAG

On 05/07/15 18:50, Martin Kepplinger wrote:
> IIO_EV_TYPE_THRESH in rising direction describes an event where the
> threshold is crossed in rising direction, positive or negative values
> being possible. This is not the case here.
> 
> Since the threshold is no signed value and only the magnitude is compared,
> IIO_EV_TYPE_MAG is what describes the behaviour of these devices, see the
> sysfs-bus-iio ABI Documentation.
> 
> Signed-off-by: Martin Kepplinger <martin.kepplinger@...obroma-systems.com>
> Signed-off-by: Christoph Muellner <christoph.muellner@...obroma-systems.com>
> Cc: stable@...r.kernel.org
Applied to the fixes-togreg branch of iio.git.

Thanks,

Jonathan
> ---
> 
> if we can resolve this quickly, I know what to base my work on ;)
> 
> thanks!
> 
> 
>  drivers/iio/accel/mma8452.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
> index e8e2077..13ea1ea 100644
> --- a/drivers/iio/accel/mma8452.c
> +++ b/drivers/iio/accel/mma8452.c
> @@ -557,21 +557,21 @@ static void mma8452_transient_interrupt(struct iio_dev *indio_dev)
>  	if (src & MMA8452_TRANSIENT_SRC_XTRANSE)
>  		iio_push_event(indio_dev,
>  			       IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_X,
> -						  IIO_EV_TYPE_THRESH,
> +						  IIO_EV_TYPE_MAG,
>  						  IIO_EV_DIR_RISING),
>  			       ts);
>  
>  	if (src & MMA8452_TRANSIENT_SRC_YTRANSE)
>  		iio_push_event(indio_dev,
>  			       IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Y,
> -						  IIO_EV_TYPE_THRESH,
> +						  IIO_EV_TYPE_MAG,
>  						  IIO_EV_DIR_RISING),
>  			       ts);
>  
>  	if (src & MMA8452_TRANSIENT_SRC_ZTRANSE)
>  		iio_push_event(indio_dev,
>  			       IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Z,
> -						  IIO_EV_TYPE_THRESH,
> +						  IIO_EV_TYPE_MAG,
>  						  IIO_EV_DIR_RISING),
>  			       ts);
>  }
> @@ -644,7 +644,7 @@ static int mma8452_reg_access_dbg(struct iio_dev *indio_dev,
>  
>  static const struct iio_event_spec mma8452_transient_event[] = {
>  	{
> -		.type = IIO_EV_TYPE_THRESH,
> +		.type = IIO_EV_TYPE_MAG,
>  		.dir = IIO_EV_DIR_RISING,
>  		.mask_separate = BIT(IIO_EV_INFO_ENABLE),
>  		.mask_shared_by_type = BIT(IIO_EV_INFO_VALUE) |
> 

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