V4L/DVB (3514): SAA7113 doesn't have auto std chroma detection mode
This patch makes chroma standard selection based at possible values,
according with datasheet.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index 7050d81..498d9aa 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -713,6 +713,35 @@
saa7115_writeregs(client, saa7115_cfg_50hz_video);
}
+ /* Register 0E - Bits D6-D4 on NO-AUTO mode
+ (SAA7113 doesn't have auto mode)
+ 50 Hz / 625 lines 60 Hz / 525 lines
+ 000 PAL BGDHI (4.43Mhz) NTSC M (3.58MHz)
+ 001 NTSC 4.43 (50 Hz) PAL 4.43 (60 Hz)
+ 010 Combination-PAL N (3.58MHz) NTSC 4.43 (60 Hz)
+ 011 NTSC N (3.58MHz) PAL M (3.58MHz)
+ 100 reserved NTSC-Japan (3.58MHz)
+ */
+ if (state->ident == V4L2_IDENT_SAA7113) {
+ u8 reg = saa7115_read(client, 0x0e) & 0x8f;
+
+ if (std & V4L2_STD_PAL) {
+ if (std == V4L2_STD_PAL_M) {
+ reg|=0x30;
+ } else if (std == V4L2_STD_PAL_N) {
+ reg|=0x20;
+ } else if (std == V4L2_STD_PAL_60) {
+ reg|=0x10;
+ }
+ } else if (std & V4L2_STD_NTSC) {
+ if (std == V4L2_STD_NTSC_M_JP) {
+ reg|=0x40;
+ }
+ }
+ saa7115_write(client, 0x0e, reg);
+ }
+
+
state->std = std;
/* restart task B if needed */