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Message-ID: <9d4800ed-ac7d-406e-ad66-7b5bcd136c30@redhat.com>
Date: Thu, 18 Apr 2024 10:47:00 +0200
From: Hans de Goede <hdegoede@...hat.com>
To: yunshui <jiangyunshui@...inos.cn>, linux-kernel@...r.kernel.org,
 platform-driver-x86@...r.kernel.org
Cc: jlee@...e.com, ilpo.jarvinen@...ux.intel.com, Ai Chao <aichao@...inos.cn>
Subject: Re: [PATCH] platform/x86: msi-laptop: Use sysfs_emit() to replace
 sprintf()

Hi,

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

On 4/18/24 9:22 AM, yunshui wrote:
>     As Documentation/filesystems/sysfs.rst suggested,
>     show() should only use sysfs_emit() or sysfs_emit_at() when formatting
>     the value to be returned to user space.
> 
> Signed-off-by: yunshui <jiangyunshui@...inos.cn>
> Signed-off-by: Ai Chao <aichao@...inos.cn>

Note same weird S-o-b here though.

Regards,

Hans




> ---
>  drivers/platform/x86/msi-laptop.c | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
> index f4c6c36e05a5..e5391a37014d 100644
> --- a/drivers/platform/x86/msi-laptop.c
> +++ b/drivers/platform/x86/msi-laptop.c
> @@ -317,7 +317,7 @@ static ssize_t show_wlan(struct device *dev,
>  	if (ret < 0)
>  		return ret;
>  
> -	return sprintf(buf, "%i\n", enabled);
> +	return sysfs_emit(buf, "%i\n", enabled);
>  }
>  
>  static ssize_t store_wlan(struct device *dev,
> @@ -341,7 +341,7 @@ static ssize_t show_bluetooth(struct device *dev,
>  	if (ret < 0)
>  		return ret;
>  
> -	return sprintf(buf, "%i\n", enabled);
> +	return sysfs_emit(buf, "%i\n", enabled);
>  }
>  
>  static ssize_t store_bluetooth(struct device *dev,
> @@ -364,7 +364,7 @@ static ssize_t show_threeg(struct device *dev,
>  	if (ret < 0)
>  		return ret;
>  
> -	return sprintf(buf, "%i\n", threeg_s);
> +	return sysfs_emit(buf, "%i\n", threeg_s);
>  }
>  
>  static ssize_t store_threeg(struct device *dev,
> @@ -383,7 +383,7 @@ static ssize_t show_lcd_level(struct device *dev,
>  	if (ret < 0)
>  		return ret;
>  
> -	return sprintf(buf, "%i\n", ret);
> +	return sysfs_emit(buf, "%i\n", ret);
>  }
>  
>  static ssize_t store_lcd_level(struct device *dev,
> @@ -413,7 +413,7 @@ static ssize_t show_auto_brightness(struct device *dev,
>  	if (ret < 0)
>  		return ret;
>  
> -	return sprintf(buf, "%i\n", ret);
> +	return sysfs_emit(buf, "%i\n", ret);
>  }
>  
>  static ssize_t store_auto_brightness(struct device *dev,
> @@ -443,7 +443,7 @@ static ssize_t show_touchpad(struct device *dev,
>  	if (result < 0)
>  		return result;
>  
> -	return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TOUCHPAD_MASK));
> +	return sysfs_emit(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TOUCHPAD_MASK));
>  }
>  
>  static ssize_t show_turbo(struct device *dev,
> @@ -457,7 +457,7 @@ static ssize_t show_turbo(struct device *dev,
>  	if (result < 0)
>  		return result;
>  
> -	return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TURBO_MASK));
> +	return sysfs_emit(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TURBO_MASK));
>  }
>  
>  static ssize_t show_eco(struct device *dev,
> @@ -471,7 +471,7 @@ static ssize_t show_eco(struct device *dev,
>  	if (result < 0)
>  		return result;
>  
> -	return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_ECO_MASK));
> +	return sysfs_emit(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_ECO_MASK));
>  }
>  
>  static ssize_t show_turbo_cooldown(struct device *dev,
> @@ -485,7 +485,7 @@ static ssize_t show_turbo_cooldown(struct device *dev,
>  	if (result < 0)
>  		return result;
>  
> -	return sprintf(buf, "%i\n", (!!(rdata & MSI_STANDARD_EC_TURBO_MASK)) |
> +	return sysfs_emit(buf, "%i\n", (!!(rdata & MSI_STANDARD_EC_TURBO_MASK)) |
>  		(!!(rdata & MSI_STANDARD_EC_TURBO_COOLDOWN_MASK) << 1));
>  }
>  
> @@ -500,7 +500,7 @@ static ssize_t show_auto_fan(struct device *dev,
>  	if (result < 0)
>  		return result;
>  
> -	return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_AUTOFAN_MASK));
> +	return sysfs_emit(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_AUTOFAN_MASK));
>  }
>  
>  static ssize_t store_auto_fan(struct device *dev,


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