linux-kernel - Re: [PATCH v2 4/4] iio: mpl3115: add support for sampling frequency

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Message-ID: <20250926145753.kitrogfvssnt5rim@antoni-VivoBook-ASUSLaptop-X512FAY-K512FA>
Date: Fri, 26 Sep 2025 16:57:53 +0200
From: Antoni Pokusinski <apokusinski01@...il.com>
To: jic23@...nel.org, dlechner@...libre.com, nuno.sa@...log.com,
	andy@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-iio@...r.kernel.org, linux@...ck-us.net,
	rodrigo.gobbi.7@...il.com, naresh.solanki@...ements.com,
	michal.simek@....com, grantpeltier93@...il.com,
	farouk.bouabid@...rry.de, marcelo.schmitt1@...il.com
Subject: Re: [PATCH v2 4/4] iio: mpl3115: add support for sampling frequency

On Thu, Sep 25, 2025 at 10:45:38PM +0200, Antoni Pokusinski wrote:
> When the device is in ACTIVE mode the temperature and pressure measurements
> are collected with a frequency determined by the ST[3:0] bits of CTRL_REG2
> register.
> 
> Reviewed-by: Nuno Sá <nuno.sa@...log.com>
> Signed-off-by: Antoni Pokusinski <apokusinski01@...il.com>
> ---
>  drivers/iio/pressure/mpl3115.c | 81 ++++++++++++++++++++++++++++++++++
>  1 file changed, 81 insertions(+)
> 
> diff --git a/drivers/iio/pressure/mpl3115.c b/drivers/iio/pressure/mpl3115.c
> index 13c8b338a15e..b854732e61cb 100644
> --- a/drivers/iio/pressure/mpl3115.c
> +++ b/drivers/iio/pressure/mpl3115.c
> @@ -30,6 +30,7 @@

The errors are due to missing include of bitfield.h, will add it in v3

>  #define MPL3115_INT_SOURCE 0x12
>  #define MPL3115_PT_DATA_CFG 0x13
>  #define MPL3115_CTRL_REG1 0x26
> +#define MPL3115_CTRL_REG2 0x27
>  #define MPL3115_CTRL_REG3 0x28
>  #define MPL3115_CTRL_REG4 0x29
>  #define MPL3115_CTRL_REG5 0x2a
> @@ -48,6 +49,8 @@
> 2.25.1
>