From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Graute Date: Thu, 09 Apr 2020 09:24:05 +0000 Subject: [PATCH v1] staging: fbtft: fb_st7789v: enabled inversion Message-Id: <1586424250-25897-1-git-send-email-oliver.graute@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: gregkh@linuxfoundation.org Cc: devel@driverdev.osuosl.org, linux-fbdev@vger.kernel.org, Oliver Graute , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, oliver.graute@gmail.com From: Oliver Graute Enable inversion mode Signed-off-by: Oliver Graute --- 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); + return 0; } -- 2.17.1