linux-kernel - [PATCH 1/3] media: vidtv: add DiSEqC dummy ops

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Date:   Tue, 15 Sep 2020 09:22:07 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "Daniel W. S. Almeida" <dwlsalmeida@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org
Subject: [PATCH 1/3] media: vidtv: add DiSEqC dummy ops

Those are needed for real applications to work with Satellite
systems.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 .../media/test-drivers/vidtv/vidtv_demod.c    | 33 +++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

diff --git a/drivers/media/test-drivers/vidtv/vidtv_demod.c b/drivers/media/test-drivers/vidtv/vidtv_demod.c
index c825842758f0..8afdfb369ed1 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_demod.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_demod.c
@@ -320,6 +320,32 @@ static int vidtv_demod_set_voltage(struct dvb_frontend *fe,
 	return 0;
 }
 
+/*
+ * NOTE:
+ * This is implemented here just to be used as an example for real
+ * demod drivers.
+ *
+ * Should only be implemented if the demod has support for DVB-S or DVB-S2
+ */
+static int vidtv_send_diseqc_msg(struct dvb_frontend *fe,
+				 struct dvb_diseqc_master_cmd *cmd)
+{
+	return 0;
+}
+
+/*
+ * NOTE:
+ * This is implemented here just to be used as an example for real
+ * demod drivers.
+ *
+ * Should only be implemented if the demod has support for DVB-S or DVB-S2
+ */
+static int vidtv_diseqc_send_burst(struct dvb_frontend *fe,
+				   enum fe_sec_mini_cmd burst)
+{
+	return 0;
+}
+
 static void vidtv_demod_release(struct dvb_frontend *fe)
 {
 	struct vidtv_demod_state *state = fe->demodulator_priv;
@@ -376,8 +402,11 @@ static const struct dvb_frontend_ops vidtv_demod_ops = {
 	.read_signal_strength = vidtv_demod_read_signal_strength,
 
 	/* For DVB-S/S2 */
-	.set_voltage = vidtv_demod_set_voltage,
-	.set_tone    = vidtv_demod_set_tone,
+	.set_voltage		= vidtv_demod_set_voltage,
+	.set_tone		= vidtv_demod_set_tone,
+	.diseqc_send_master_cmd	= vidtv_send_diseqc_msg,
+	.diseqc_send_burst	= vidtv_diseqc_send_burst,
+
 };
 
 static const struct i2c_device_id vidtv_demod_i2c_id_table[] = {
-- 
2.26.2