V4L/DVB (3117): Fix broken TV standard check.

- Fix incorrect matching of TV standards leading to incorrect IFPCoff values.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c
index 9bd52993d366..95818bfcb5c0 100644
--- a/drivers/media/video/tuner-simple.c
+++ b/drivers/media/video/tuner-simple.c
@@ -902,11 +902,12 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
                 171.2=16*10.70  FM Radio (at set_radio_freq)
         */
 
-        if (t->std & V4L2_STD_NTSC_M_JP) {
+        if (t->std == V4L2_STD_NTSC_M_JP) {
                 IFPCoff = 940;
-        } else if (t->std & V4L2_STD_MN) {
+        } else if ((t->std & V4L2_STD_MN) &&
+                  !(t->std & ~V4L2_STD_MN)) {
                 IFPCoff = 732;
-        } else if (t->std & V4L2_STD_SECAM_LC) {
+        } else if (t->std == V4L2_STD_SECAM_LC) {
                 IFPCoff = 543;
         } else {
                 IFPCoff = 623;