linux-kernel - Re: [PATCH v2 12/15] iio: light: apds9300: use bool for event state

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Message-ID: <20241101164029.2d15fb6d@jic23-huawei>
Date: Fri, 1 Nov 2024 16:40:29 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Julien Stephan <jstephan@...libre.com>
Cc: Mudit Sharma <muditsharma.info@...il.com>, Lars-Peter Clausen
 <lars@...afoo.de>, Anshul Dalal <anshulusr@...il.com>, Javier Carrasco
 <javier.carrasco.cruz@...il.com>, Jean-Baptiste Maneyrol
 <jean-baptiste.maneyrol@....com>, Michael Hennerich
 <Michael.Hennerich@...log.com>, Cosmin Tanislav
 <cosmin.tanislav@...log.com>, Ramona Gradinariu
 <ramona.gradinariu@...log.com>, Antoniu Miclaus
 <antoniu.miclaus@...log.com>, Dan Robertson <dan@...obertson.com>, Marcelo
 Schmitt <marcelo.schmitt@...log.com>, Matteo Martelli
 <matteomartelli3@...il.com>, Anand Ashok Dumbre
 <anand.ashok.dumbre@...inx.com>, Michal Simek <michal.simek@....com>,
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 <jagathjog1996@...il.com>, Lorenzo Bianconi <lorenzo@...nel.org>, Subhajit
 Ghosh <subhajit.ghosh@...aklogic.com>, Kevin Tsai <ktsai@...ellamicro.com>,
 Linus Walleij <linus.walleij@...aro.org>, Benson Leung
 <bleung@...omium.org>, Guenter Roeck <groeck@...omium.org>,
 linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, chrome-platform@...ts.linux.dev
Subject: Re: [PATCH v2 12/15] iio: light: apds9300: use bool for event state

On Thu, 31 Oct 2024 16:27:07 +0100
Julien Stephan <jstephan@...libre.com> wrote:

> Since the write_event_config callback now uses a bool for the state
> parameter, update apds9300_set_intr_state accordingly and change intr_en
> to bool.
> 
> Also update apds9300_set_power_state and power_state for consistency.
> 
> Signed-off-by: Julien Stephan <jstephan@...libre.com>
> ---
>  drivers/iio/light/apds9300.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/iio/light/apds9300.c b/drivers/iio/light/apds9300.c
> index 95861b2a5b2d94011d894959289c5c4f06cc1efe..98bdf8bc298b664aba71d3c38d7f224808e5997d 100644
> --- a/drivers/iio/light/apds9300.c
> +++ b/drivers/iio/light/apds9300.c
> @@ -46,10 +46,10 @@
>  struct apds9300_data {
>  	struct i2c_client *client;
>  	struct mutex mutex;
> -	int power_state;
> +	bool power_state;
>  	int thresh_low;
>  	int thresh_hi;
> -	int intr_en;
> +	bool intr_en;
>  };
>  
>  /* Lux calculation */
> @@ -148,7 +148,7 @@ static int apds9300_set_thresh_hi(struct apds9300_data *data, int value)
>  	return 0;
>  }
>  
> -static int apds9300_set_intr_state(struct apds9300_data *data, int state)
> +static int apds9300_set_intr_state(struct apds9300_data *data, bool state)
>  {
>  	int ret;
>  	u8 cmd;
> @@ -169,7 +169,7 @@ static int apds9300_set_intr_state(struct apds9300_data *data, int state)
>  	return 0;
>  }
>  
> -static int apds9300_set_power_state(struct apds9300_data *data, int state)
> +static int apds9300_set_power_state(struct apds9300_data *data, bool state)
There are a few calls of this where an explicit 1 or 0 is used. Those should be
updated to be bools.

I added this diff whilst applying.  Shout if you disagree with it.

diff --git a/drivers/iio/light/apds9300.c b/drivers/iio/light/apds9300.c
index 98bdf8bc298b..938d76f7e312 100644
--- a/drivers/iio/light/apds9300.c
+++ b/drivers/iio/light/apds9300.c
@@ -221,7 +221,7 @@ static int apds9300_chip_init(struct apds9300_data *data)
         * Disable interrupt to ensure thai it is doesn't enable
         * i.e. after device soft reset
         */
-       ret = apds9300_set_intr_state(data, 0);
+       ret = apds9300_set_intr_state(data, false);
        if (ret < 0)
                goto err;
 
@@ -459,8 +459,8 @@ static void apds9300_remove(struct i2c_client *client)
        iio_device_unregister(indio_dev);
 
        /* Ensure that power off and interrupts are disabled */
-       apds9300_set_intr_state(data, 0);
-       apds9300_set_power_state(data, 0);
+       apds9300_set_intr_state(data, false);
+       apds9300_set_power_state(data, false);
 }
 
 static int apds9300_suspend(struct device *dev)
@@ -470,7 +470,7 @@ static int apds9300_suspend(struct device *dev)
        int ret;
 
        mutex_lock(&data->mutex);
-       ret = apds9300_set_power_state(data, 0);
+       ret = apds9300_set_power_state(data, false);
        mutex_unlock(&data->mutex);
 
        return ret;
@@ -483,7 +483,7 @@ static int apds9300_resume(struct device *dev)
        int ret;
 
        mutex_lock(&data->mutex);
-       ret = apds9300_set_power_state(data, 1);
+       ret = apds9300_set_power_state(data, true);
        mutex_unlock(&data->mutex);
 
        return ret;



>  {
>  	int ret;
>  	u8 cmd;
>