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Diffstat (limited to 'linux/drivers/media/video/cx18/cx18-driver.c')
-rw-r--r--linux/drivers/media/video/cx18/cx18-driver.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-driver.c b/linux/drivers/media/video/cx18/cx18-driver.c
index fe2324ef2..4699cecbe 100644
--- a/linux/drivers/media/video/cx18/cx18-driver.c
+++ b/linux/drivers/media/video/cx18/cx18-driver.c
@@ -563,8 +563,6 @@ static int __devinit cx18_init_struct1(struct cx18 *cx)
mutex_init(&cx->epu2apu_mb_lock);
mutex_init(&cx->epu2cpu_mb_lock);
- spin_lock_init(&cx->lock);
-
cx->work_queue = create_singlethread_workqueue(cx->name);
if (cx->work_queue == NULL) {
CX18_ERR("Unable to create work hander thread\n");
@@ -1085,6 +1083,19 @@ 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 */