diff options
Diffstat (limited to 'drivers/media/video/cx18')
| -rw-r--r-- | drivers/media/video/cx18/cx18-driver.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index 0f13fdd890a..1518a58e17f 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -1080,6 +1080,19 @@ int cx18_init_on_first_open(struct cx18 *cx) return -ENXIO; } + /* + * The second firmware load requires us to normalize the APU state, + * or the audio for the first analog capture will be badly incorrect. + * + * I can't seem to call APU_RESETAI and have it succeed without the + * APU capturing audio, so we start and stop it here to do the reset + */ + + /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */ + cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0); + cx18_vapi(cx, CX18_APU_RESETAI, 0); + cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG); + vf.tuner = 0; vf.type = V4L2_TUNER_ANALOG_TV; vf.frequency = 6400; /* the tuner 'baseline' frequency */ |