From: "Krzysztof Hałasa" <khalasa@piap.pl>
To: Tim Harvey <tharvey@gateworks.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-media@vger.kernel.org, lkml <linux-kernel@vger.kernel.org>
Subject: [PATCH] TDA1997x: enable EDID support
Date: Mon, 07 Jun 2021 12:56:29 +0200 [thread overview]
Message-ID: <m3sg1uq6xu.fsf@t19.piap.pl> (raw)
Without this patch, the TDA19971 chip's EDID is inactive.
Signed-off-by: Krzysztof Halasa <khalasa@piap.pl>
--- a/drivers/media/i2c/tda1997x.c
+++ b/drivers/media/i2c/tda1997x.c
@@ -2233,6 +2233,7 @@ static int tda1997x_core_init(struct v4l2_subdev *sd)
/* get initial HDMI status */
state->hdmi_status = io_read(sd, REG_HDMI_FLAGS);
+ io_write(sd, REG_EDID_ENABLE, EDID_ENABLE_A_EN | EDID_ENABLE_B_EN);
return 0;
}
--
Krzysztof Hałasa
Sieć Badawcza Łukasiewicz
Przemysłowy Instytut Automatyki i Pomiarów PIAP
Al. Jerozolimskie 202, 02-486 Warszawa
next reply other threads:[~2021-06-07 10:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 10:56 Krzysztof Hałasa [this message]
2021-06-07 11:11 ` [PATCH] TDA1997x: enable EDID support Hans Verkuil
2021-06-07 11:56 ` Krzysztof Hałasa
2021-06-07 15:48 ` Tim Harvey
2021-06-08 4:54 ` Krzysztof Hałasa
2021-06-08 7:27 ` Hans Verkuil
2021-06-08 8:45 ` Krzysztof Hałasa
2021-06-08 8:47 ` Hans Verkuil
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