linux-kernel - Re: [PATCH 1/1] video: backlight: tosa_lcd: convert to use i2c_new_client

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Message-ID: <20200415103844.vnjccybvy5wtnrq6@holly.lan>
Date:   Wed, 15 Apr 2020 11:38:44 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc:     linux-i2c@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] video: backlight: tosa_lcd: convert to use
 i2c_new_client_device()

On Thu, Mar 26, 2020 at 10:09:59PM +0100, Wolfram Sang wrote:
> Move away from the deprecated API and return the shiny new ERRPTR where
> useful.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>


> ---
>  drivers/video/backlight/tosa_lcd.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/video/backlight/tosa_lcd.c b/drivers/video/backlight/tosa_lcd.c
> index e8ab583e5098..113116d3585c 100644
> --- a/drivers/video/backlight/tosa_lcd.c
> +++ b/drivers/video/backlight/tosa_lcd.c
> @@ -107,7 +107,7 @@ static void tosa_lcd_tg_on(struct tosa_lcd_data *data)
>  	/* TG LCD GVSS */
>  	tosa_tg_send(spi, TG_PINICTL, 0x0);
>  
> -	if (!data->i2c) {
> +	if (IS_ERR_OR_NULL(data->i2c)) {
>  		/*
>  		 * after the pannel is powered up the first time,
>  		 * we can access the i2c bus so probe for the DAC
> @@ -119,7 +119,7 @@ static void tosa_lcd_tg_on(struct tosa_lcd_data *data)
>  			.addr	= DAC_BASE,
>  			.platform_data = data->spi,
>  		};
> -		data->i2c = i2c_new_device(adap, &info);
> +		data->i2c = i2c_new_client_device(adap, &info);
>  	}
>  }
>  
> -- 
> 2.20.1
>