From: Oliver Graute <oliver.graute@gmail.com>
To: gregkh@linuxfoundation.org
Cc: devel@driverdev.osuosl.org, linux-fbdev@vger.kernel.org,
Oliver Graute <oliver.graute@kococonnector.com>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
oliver.graute@gmail.com
Subject: [PATCH v1] staging: fbtft: fb_st7789v: enabled inversion
Date: Thu, 9 Apr 2020 11:24:05 +0200 [thread overview]
Message-ID: <1586424250-25897-1-git-send-email-oliver.graute@gmail.com> (raw)
From: Oliver Graute <oliver.graute@kococonnector.com>
Enable inversion mode
Signed-off-by: Oliver Graute <oliver.graute@kococonnector.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);
+
return 0;
}
--
2.17.1
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next reply other threads:[~2020-04-10 9:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-09 9:24 Oliver Graute [this message]
2020-04-09 10:14 ` [PATCH v1] staging: fbtft: fb_st7789v: enabled inversion Dan Carpenter
2020-04-27 8:31 ` Oliver Graute
2020-04-09 10:15 ` Dan Carpenter
2020-04-27 8:29 ` Oliver Graute
2020-04-28 18:58 ` Dan Carpenter
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