V4L/DVB (3371): Turn frame locked sound on, basic support for FM radio with TDA8275(a)

- Enabled audio PLL. This is mandatory for NICAM sound
- modify FM IF frequency to 5.5MHz for SAA7133/35 if tuner is tda8290

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c
index 93268427750d..afa4dcb3f96d 100644
--- a/drivers/media/video/saa7134/saa7134-tvaudio.c
+++ b/drivers/media/video/saa7134/saa7134-tvaudio.c
@@ -180,8 +180,8 @@ static void tvaudio_init(struct saa7134_dev *dev)
         saa_writeb(SAA7134_AUDIO_CLOCK0,      clock        & 0xff);
         saa_writeb(SAA7134_AUDIO_CLOCK1,     (clock >>  8) & 0xff);
         saa_writeb(SAA7134_AUDIO_CLOCK2,     (clock >> 16) & 0xff);
-        // frame locked audio was reported not to be reliable
-        saa_writeb(SAA7134_AUDIO_PLL_CTRL,   0x02);
+        /* frame locked audio is mandatory for NICAM */
+        saa_writeb(SAA7134_AUDIO_PLL_CTRL,   0x01);
 
         saa_writeb(SAA7134_NICAM_ERROR_LOW,  0x14);
         saa_writeb(SAA7134_NICAM_ERROR_HIGH, 0x50);
@@ -809,7 +809,12 @@ static int tvaudio_thread_ddep(void *data)
                         dprintk("ddep override: %s\n",stdres[audio_ddep]);
                 } else if (&card(dev).radio == dev->input) {
                         dprintk("FM Radio\n");
-                        norms = (0x0f << 2) | 0x01;
+                        if (dev->tuner_type == TUNER_PHILIPS_TDA8290) {
+                                norms = (0x11 << 2) | 0x01;
+                                saa_dsp_writel(dev, 0x42c >> 2, 0x729555);
+                        } else {
+                                norms = (0x0f << 2) | 0x01;
+                        }
                 } else {
                         /* (let chip) scan for sound carrier */
                         norms = 0;