V4L/DVB (6542): Fix S-video mode on tvp5150

Thanks to Markus Reichberger to point this.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
index 25d0aef88ef5..445eba4174d7 100644
--- a/drivers/media/video/tvp5150.c
+++ b/drivers/media/video/tvp5150.c
@@ -290,6 +290,7 @@ static inline void tvp5150_selmux(struct i2c_client *c)
         int opmode=0;
         struct tvp5150 *decoder = i2c_get_clientdata(c);
         int input = 0;
+        unsigned char val;
 
         if ((decoder->route.output & TVP5150_BLACK_SCREEN) || !decoder->enable)
                 input = 8;
@@ -315,6 +316,16 @@ static inline void tvp5150_selmux(struct i2c_client *c)
 
         tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode);
         tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);
+
+        /* Svideo should enable YCrCb output and disable GPCL output
+         * For Composite and TV, it should be the reverse
+         */
+        val = tvp5150_read(c, TVP5150_MISC_CTL);
+        if (decoder->route.input == TVP5150_SVIDEO)
+                val = (val & ~0x40) | 0x10;
+        else
+                val = (val & ~0x10) | 0x40;
+        tvp5150_write(c, TVP5150_MISC_CTL, val);
 };
 
 struct i2c_reg_value {