linux-kernel - Re: [PATCH] staging: fbtft: fb_st7789v: make HSD20

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Message-ID: <20200525105332.GB12301@archlinux.localdomain>
Date:   Mon, 25 May 2020 12:53:32 +0200
From:   Oliver Graute <oliver.graute@...il.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        devel@...verdev.osuosl.org, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: fbtft: fb_st7789v: make HSD20_IPS numeric and
 not a string

On 21/05/20, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> Currently HSD20_IPS is defined as "true" and will always result in a
> non-zero result even if it is defined as "false" because it is an array
> and that will never be zero. Fix this by defining it as an integer 1
> rather than a literal string.
> 
> Addessses-Coverity: ("Array compared against 0")
> Fixes: f03c9b788472 ("staging: fbtft: fb_st7789v: Initialize the Display")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/staging/fbtft/fb_st7789v.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/fbtft/fb_st7789v.c b/drivers/staging/fbtft/fb_st7789v.c
> index ebc17e05ecd0..3a280cc1892c 100644
> --- a/drivers/staging/fbtft/fb_st7789v.c
> +++ b/drivers/staging/fbtft/fb_st7789v.c
> @@ -24,7 +24,7 @@
>  	"D0 05 0A 09 08 05 2E 44 45 0F 17 16 2B 33\n" \
>  	"D0 05 0A 09 08 05 2E 43 45 0F 16 16 2B 33"
>  
> -#define HSD20_IPS "true"
> +#define HSD20_IPS 1
>  
>  /**
>   * enum st7789v_command - ST7789V display controller commands

Acked-by: Oliver Graute <oliver.graute@...oconnector.com>