From: Bradford Love <brad@nextdimension.cc>
Date: Thu, 12 Mar 2026 21:35:22 +0000 (-0500)
Subject: media: si2157: Analog format fixes
X-Git-Tag: v7.1-rc1~169^2~146
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9cddeb883bacf82757bf3273c60a2d2e45bf7fe9;p=thirdparty%2Flinux.git

media: si2157: Analog format fixes

Updates to support PAL-N and PAL-Nc
Verifies PAL-I and PAL-DK standards are working
Fixes and verifies SECAM-L now works

Signed-off-by: Bradford Love <brad@nextdimension.cc>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
---

diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
index 4ca42114da8a1..b041cd8547324 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -638,20 +638,27 @@ static int si2157_set_analog_params(struct dvb_frontend *fe,
 				color = 0x10;
 			}
 		}
-	} else if (params->std & V4L2_STD_MN) {
+	} else if (params->std & (V4L2_STD_MN | V4L2_STD_NTSC_443)) {
 		std = "MN";
 		bandwidth = 6000000;
 		if_frequency = 5400000;
 		system = 2;
+		if (params->std & V4L2_STD_PAL_N) {
+			std = "palN";
+			color = 0x10;
+		} else if (params->std & V4L2_STD_PAL_Nc) {
+			std = "palNc";
+			color = 0x10;
+		}
 	} else if (params->std & V4L2_STD_PAL_I) {
 		std = "palI";
 		bandwidth = 8000000;
-		if_frequency = 7250000; /* TODO: does not work yet */
+		if_frequency = 7250000;
 		system = 4;
 	} else if (params->std & V4L2_STD_DK) {
 		std = "palDK";
 		bandwidth = 8000000;
-		if_frequency = 6900000; /* TODO: does not work yet */
+		if_frequency = 6900000;
 		system = 5;
 		if (params->std & V4L2_STD_SECAM_DK) {
 			std = "secamDK";
@@ -660,7 +667,7 @@ static int si2157_set_analog_params(struct dvb_frontend *fe,
 	} else if (params->std & V4L2_STD_SECAM_L) {
 		std = "secamL";
 		bandwidth = 8000000;
-		if_frequency = 6750000; /* TODO: untested */
+		if_frequency = 6900000;
 		system = 6;
 		color = 0x10;
 	} else if (params->std & V4L2_STD_SECAM_LC) {