From e1f84840fd13e5f7ef4c20e3e9d021a0d2f19e11 Mon Sep 17 00:00:00 2001 From: Daniel Scheller Date: Sat, 23 Jun 2018 11:36:14 -0400 Subject: [PATCH] media: ddbridge/sx8: enable modulation selection in set_parameters() Allow for tuning to transponders with specific modulations in set_parameters(). Setting a specific modulation will also enable lower modulations. Picked up from the upstream dddvb GIT. Upstream also has support for APSK64/128/256 modulations which aren't supported yet by the DVB API, so comment them out until support for them is added. Signed-off-by: Daniel Scheller Signed-off-by: Mauro Carvalho Chehab --- drivers/media/pci/ddbridge/ddbridge-sx8.c | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) diff --git a/drivers/media/pci/ddbridge/ddbridge-sx8.c b/drivers/media/pci/ddbridge/ddbridge-sx8.c index c87cefa..4418604 100644 --- a/drivers/media/pci/ddbridge/ddbridge-sx8.c +++ b/drivers/media/pci/ddbridge/ddbridge-sx8.c @@ -372,15 +372,31 @@ static int set_parameters(struct dvb_frontend *fe) if (iq_mode) ts_config = (SX8_TSCONFIG_TSHEADER | SX8_TSCONFIG_MODE_IQ); if (iq_mode < 3) { - u32 flags = 3; - u32 mask = 0x7f; - - if (p->modulation == APSK_16 || - p->modulation == APSK_32) { - flags = 2; + u32 mask; + + switch (p->modulation) { + /* uncomment whenever these modulations hit the DVB API + * case APSK_256: + * mask = 0x7f; + * break; + * case APSK_128: + * mask = 0x3f; + * break; + * case APSK_64: + * mask = 0x1f; + * break; + */ + case APSK_32: mask = 0x0f; + break; + case APSK_16: + mask = 0x07; + break; + default: + mask = 0x03; + break; } - stat = start(fe, flags, mask, ts_config); + stat = start(fe, 3, mask, ts_config); } else { u32 flags = (iq_mode == 2) ? 1 : 0; -- 2.7.4