linux-kernel - Re: [PATCH v1] staging: fbtft: fb

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Message-ID: <20200427083124.GC18436@portage>
Date:   Mon, 27 Apr 2020 10:31:24 +0200
From:   Oliver Graute <oliver.graute@...il.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
        linux-fbdev@...r.kernel.org,
        Oliver Graute <oliver.graute@...oconnector.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v1] staging: fbtft: fb_st7789v: enabled inversion

On 09/04/20, Dan Carpenter wrote:
> On Thu, Apr 09, 2020 at 11:24:05AM +0200, Oliver Graute wrote:
> > From: Oliver Graute <oliver.graute@...oconnector.com>
> > 
> > Enable inversion mode
> > 
> > Signed-off-by: Oliver Graute <oliver.graute@...oconnector.com>
> > ---
> >  drivers/staging/fbtft/fb_st7789v.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/drivers/staging/fbtft/fb_st7789v.c b/drivers/staging/fbtft/fb_st7789v.c
> > index 3c3f387936e8..84c5af2dc9a0 100644
> > --- a/drivers/staging/fbtft/fb_st7789v.c
> > +++ b/drivers/staging/fbtft/fb_st7789v.c
> > @@ -120,6 +120,10 @@ static int init_display(struct fbtft_par *par)
> >  	write_reg(par, PWCTRL1, 0xA4, 0xA1);
> >  
> >  	write_reg(par, MIPI_DCS_SET_DISPLAY_ON);
> > +
> > +	/* enable inversion mode */
> > +	write_reg(par, 0x21);
> 
> Use the define and delete the comment.
> 
> 	write_reg(par, MIPI_DCS_ENTER_INVERT_MODE);

ok, I'll do on next version

Best regards,

Oliver