linux-kernel - Re: [PATCH v2 17/19] iio: chemical: bme680: Remove redundant gas configuration

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Date: Sun, 9 Jun 2024 12:08:46 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Vasileios Amoiridis <vassilisamir@...il.com>
Cc: dpfrey@...il.com, himanshujha199640@...il.com, lars@...afoo.de,
 linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
 mike.looijmans@...ic.nl
Subject: Re: [PATCH v2 17/19] iio: chemical: bme680: Remove redundant gas
 configuration

On Thu,  6 Jun 2024 23:23:11 +0200
Vasileios Amoiridis <vassilisamir@...il.com> wrote:

> There is no need to explicitly configure the gas measurement
> registers every time a gas measurement takes place. These are
> initial configurations which are written in the beginning and
> they are not changed throughout the lifetime of the driver.
> 
> If in the future, the device starts to support multiple
> configuration profiles with variable heater duration and
> heater temperature, then they could become members of
> the ->read_avail().
Similar oddly short line wrap. Fix them all up for v3.

Thanks

Jonathan

> 
> Signed-off-by: Vasileios Amoiridis <vassilisamir@...il.com>
> ---
>  drivers/iio/chemical/bme680_core.c | 7 -------
>  1 file changed, 7 deletions(-)
> 
> diff --git a/drivers/iio/chemical/bme680_core.c b/drivers/iio/chemical/bme680_core.c
> index 1cf375904b8d..76b96993120f 100644
> --- a/drivers/iio/chemical/bme680_core.c
> +++ b/drivers/iio/chemical/bme680_core.c
> @@ -683,13 +683,6 @@ static int bme680_read_gas(struct bme680_data *data,
>  	u16 adc_gas_res, gas_regs_val;
>  	u8 gas_range;
>  
> -	/* Set heater settings */
> -	ret = bme680_gas_config(data);
> -	if (ret < 0) {
> -		dev_err(dev, "failed to set gas config\n");
> -		return ret;
> -	}
> -
>  	/* set forced mode to trigger measurement */
>  	ret = bme680_set_mode(data, true);
>  	if (ret < 0)