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From: Jonathan Cameron <jic23@kernel.org>
To: Hartmut Knaack <knaack.h@gmx.de>, IIO <linux-iio@vger.kernel.org>
Cc: David Barksdale <dbarksdale@uplogix.com>
Subject: Re: [PATCH]iio:humidity:si7020: cleanup read_raw and probe
Date: Sat, 25 Oct 2014 20:41:02 +0100	[thread overview]
Message-ID: <544BFCCE.7000308@kernel.org> (raw)
In-Reply-To: <544BE747.80403@gmx.de>

On 25/10/14 19:09, Hartmut Knaack wrote:
> When reading temperature or humidity values, a shift of two bits to the right
> needs to be applied, and only for the humidity channel a mask of the lower
> 12 bits needs to be applied. This reduces code repetition.
> During probe, i2c_set_clientdata() was used, although its counterpart was not,
> so drop it.
> 
> Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Applied to the togreg branch of iio.git, initially pushed out as testing.
Thanks for the cleanup.

J
> ---
> diff --git a/drivers/iio/humidity/si7020.c b/drivers/iio/humidity/si7020.c
> index 62d74d3..b541646 100644
> --- a/drivers/iio/humidity/si7020.c
> +++ b/drivers/iio/humidity/si7020.c
> @@ -56,10 +56,9 @@ static int si7020_read_raw(struct iio_dev *indio_dev,
>  					       SI7020CMD_RH_HOLD);
>  		if (ret < 0)
>  			return ret;
> -		if (chan->type == IIO_TEMP)
> -			*val = ret >> 2;
> -		else
> -			*val = (ret & 0x3FFF) >> 2;
> +		*val = ret >> 2;
> +		if (chan->type == IIO_HUMIDITYRELATIVE)
> +			*val &= GENMASK(11, 0);
>  		return IIO_VAL_INT;
>  	case IIO_CHAN_INFO_SCALE:
>  		if (chan->type == IIO_TEMP)
> @@ -133,7 +132,6 @@ static int si7020_probe(struct i2c_client *client,
>  
>  	data = iio_priv(indio_dev);
>  	*data = client;
> -	i2c_set_clientdata(client, indio_dev);
>  
>  	indio_dev->dev.parent = &client->dev;
>  	indio_dev->name = dev_name(&client->dev);
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-iio" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

  reply	other threads:[~2014-10-25 19:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-25 18:09 [PATCH]iio:humidity:si7020: cleanup read_raw and probe Hartmut Knaack
2014-10-25 19:41 ` Jonathan Cameron [this message]
  -- strict thread matches above, loose matches on Subject: below --
2014-10-18 19:46 Hartmut Knaack
2014-10-25 10:02 ` Jonathan Cameron
2014-10-25 17:34   ` Hartmut Knaack
2014-10-25 19:34     ` Jonathan Cameron
2014-10-25 19:37       ` Jonathan Cameron

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