linux-kernel - Re: [PATCH 32/38] iio: accel-core: st: Move LSM303DLH into correct group

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Message-ID: <5234A20F.7040008@kernel.org>
Date:	Sat, 14 Sep 2013 18:51:11 +0100
From:	Jonathan Cameron <jic23@...nel.org>
To:	Lee Jones <lee.jones@...aro.org>
CC:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	arnd@...db.de, linus.walleij@...aro.org, denis.ciocca@...com,
	linux-iio@...r.kernel.org
Subject: Re: [PATCH 32/38] iio: accel-core: st: Move LSM303DLH into correct
 group

On 09/10/13 13:49, Lee Jones wrote:
> The LSM303DLH's WAI (WhoAmI) is 0x33, meaning it should be enabled by
> Accel Sensor group one. For the device to probe without error, we'll
> need to ensure it's registered with the correct WAI.
> 
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
You clearly have a better datasheet than I have as for that part it doesn't even claim to
have the relevant register to read a who am I from.

Now that datasheet does list odr values as 50, 100, 400 1000 which would put it where it originally
was in these tables.

http://www.st.com/web/en/resource/technical/document/datasheet/CD00260288.pdf

I haven't checked other elements...

I'm confused but suspect we may need another type entry to deal with this one.

> ---
>  drivers/iio/accel/st_accel_core.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
> index ea62291..03a2b6b 100644
> --- a/drivers/iio/accel/st_accel_core.c
> +++ b/drivers/iio/accel/st_accel_core.c
> @@ -170,6 +170,7 @@ static const struct st_sensors st_accel_sensors[] = {
>  			[2] = LSM330D_ACCEL_DEV_NAME,
>  			[3] = LSM330DL_ACCEL_DEV_NAME,
>  			[4] = LSM330DLC_ACCEL_DEV_NAME,
> +			[5] = LSM303DLH_ACCEL_DEV_NAME,
>  		},
>  		.ch = (struct iio_chan_spec *)st_accel_12bit_channels,
>  		.odr = {
> @@ -238,8 +239,7 @@ static const struct st_sensors st_accel_sensors[] = {
>  		.sensors_supported = {
>  			[0] = LIS331DLH_ACCEL_DEV_NAME,
>  			[1] = LSM303DL_ACCEL_DEV_NAME,
> -			[2] = LSM303DLH_ACCEL_DEV_NAME,
> -			[3] = LSM303DLM_ACCEL_DEV_NAME,
> +			[2] = LSM303DLM_ACCEL_DEV_NAME,
>  		},
>  		.ch = (struct iio_chan_spec *)st_accel_12bit_channels,
>  		.odr = {
> 
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