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media: si2157: Analog format fixes

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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>
This commit is contained in:
Bradford Love 2026-03-12 16:35:22 -05:00 committed by Hans Verkuil
parent 24ae633ab3
commit 9cddeb883b
1 changed files with 11 additions and 4 deletions
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15
drivers/media/tuners/si2157.c
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@ -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) {