linux-kernel - [PATCH] [v2] media: platform: cros-ec: Add Dirks to the match table

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Message-Id: <20250506164224.1.Ica91496a34ad5c3f9330c1a7992f10eea10e471d@changeid>
Date: Tue,  6 May 2025 16:43:02 +0800
From: Kells Ping <kells.ping@...nta.corp-partner.google.com>
To: LKML <linux-kernel@...r.kernel.org>
Cc: groeck@...omium.org,
	Kells Ping <kells.ping@...nta.corp-partner.google.com>,
	Benson Leung <bleung@...omium.org>,
	Hans Verkuil <hverkuil@...all.nl>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Uwe Kleine-König <u.kleine-koenig@...libre.com>,
	chrome-platform@...ts.linux.dev,
	linux-media@...r.kernel.org
Subject: [PATCH] [v2] media: platform: cros-ec: Add Dirks to the match table

The Google Dirks device uses the same approach as the Google Brask
which enables the HDMI CEC via the cros-ec-cec driver.

---

Changes in v2: update ports
native driver cec is port 0.
bitbang driver cec is port 1.

Signed-off-by: Kells Ping <kells.ping@...nta.corp-partner.google.com>
---
 drivers/media/cec/platform/cros-ec/cros-ec-cec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/cec/platform/cros-ec/cros-ec-cec.c b/drivers/media/cec/platform/cros-ec/cros-ec-cec.c
index 12b73ea0f31d..81b4524c69f4 100644
--- a/drivers/media/cec/platform/cros-ec/cros-ec-cec.c
+++ b/drivers/media/cec/platform/cros-ec/cros-ec-cec.c
@@ -298,6 +298,7 @@ struct cec_dmi_match {
 static const char *const port_b_conns[] = { "Port B", NULL };
 static const char *const port_db_conns[] = { "Port D", "Port B", NULL };
 static const char *const port_ba_conns[] = { "Port B", "Port A", NULL };
+static const char *const port_ab_conns[] = { "Port A", "Port B", NULL };
 static const char *const port_d_conns[] = { "Port D", NULL };
 
 static const struct cec_dmi_match cec_dmi_match_table[] = {
@@ -329,6 +330,8 @@ static const struct cec_dmi_match cec_dmi_match_table[] = {
 	{ "Google", "Dexi", "0000:00:02.0", port_db_conns },
 	/* Google Dita */
 	{ "Google", "Dita", "0000:00:02.0", port_db_conns },
+	/* Google Dirks */
+	{ "Google", "Dirks", "0000:00:02.0", port_ab_conns },
 };
 
 static struct device *cros_ec_cec_find_hdmi_dev(struct device *dev,
-- 
2.34.1