linux-kernel - [PATCH] TDA1997x: enable EDID support

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Message-ID: <m3sg1uq6xu.fsf@t19.piap.pl>
Date:   Mon, 07 Jun 2021 12:56:29 +0200
From:   Krzysztof Hałasa <khalasa@...p.pl>
To:     Tim Harvey <tharvey@...eworks.com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] TDA1997x: enable EDID support

Without this patch, the TDA19971 chip's EDID is inactive.

Signed-off-by: Krzysztof Halasa <khalasa@...p.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

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