This looks like a typo. By manipulating the antenna on a device while monitoring the reported SNR, I was able to see the unexpected jump. After applying this patch, the spike was no longer present. Signed-off-by: Scott K Logan <logans@xxxxxxxxxxx> --- drivers/media/dvb-frontends/s5h1411.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/s5h1411.c b/drivers/media/dvb-frontends/s5h1411.c index c1334d7eb442..2563a72e98b7 100644 --- a/drivers/media/dvb-frontends/s5h1411.c +++ b/drivers/media/dvb-frontends/s5h1411.c @@ -150,7 +150,7 @@ static struct vsb_snr_tab { { 0x35b, 235, }, { 0x353, 230, }, { 0x349, 225, }, - { 0x340, 320, }, + { 0x340, 220, }, { 0x337, 215, }, { 0x327, 210, }, { 0x31b, 205, }, -- 2.31.1