* Fix PAL-Nc horizontal parameters according to DScaler: https://github.com/JohnAdders/DScaler/blob/f7d92b76678e/DScaler/TVFormats.cpp#L88-L94 * Add PAL-Nc TV audio support. * Tested with CVBS and RF on a Pinnacle PCTV HD 800i. Signed-off-by: Jorge Maidana <jorgem.linux@xxxxxxxxx> --- drivers/media/pci/cx88/cx88-core.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/drivers/media/pci/cx88/cx88-core.c b/drivers/media/pci/cx88/cx88-core.c index 89d4d5a3b..52be42f9a 100644 --- a/drivers/media/pci/cx88/cx88-core.c +++ b/drivers/media/pci/cx88/cx88-core.c @@ -618,12 +618,24 @@ EXPORT_SYMBOL(cx88_reset); static inline unsigned int norm_swidth(v4l2_std_id norm) { - return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922; + if (norm & (V4L2_STD_NTSC | V4L2_STD_PAL_M)) + return 754; + + if (norm & V4L2_STD_PAL_Nc) + return 745; + + return 922; } static inline unsigned int norm_hdelay(v4l2_std_id norm) { - return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 135 : 186; + if (norm & (V4L2_STD_NTSC | V4L2_STD_PAL_M)) + return 135; + + if (norm & V4L2_STD_PAL_Nc) + return 149; + + return 186; } static inline unsigned int norm_vdelay(v4l2_std_id norm) @@ -636,7 +648,7 @@ static inline unsigned int norm_fsc8(v4l2_std_id norm) if (norm & V4L2_STD_PAL_M) return 28604892; // 3.575611 MHz - if (norm & (V4L2_STD_PAL_Nc)) + if (norm & V4L2_STD_PAL_Nc) return 28656448; // 3.582056 MHz if (norm & V4L2_STD_NTSC) // All NTSC/M and variants @@ -841,8 +853,8 @@ static int set_tvaudio(struct cx88_core *core) } else if (V4L2_STD_SECAM_DK & norm) { core->tvaudio = WW_DK; - } else if ((V4L2_STD_NTSC_M & norm) || - (V4L2_STD_PAL_M & norm)) { + } else if ((V4L2_STD_NTSC_M | V4L2_STD_PAL_M | V4L2_STD_PAL_Nc) & + norm) { core->tvaudio = WW_BTSC; } else if (V4L2_STD_NTSC_M_JP & norm) { -- 2.30.2
