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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-16 00:49:56 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-16 00:49:56 +0400
commit122804ecb59493fbb4d31b3ba9ac59faaf45276f (patch)
treecff4d8a158c412e4a8d3abc8d91bb0eb52b01c9a /drivers/media/video/saa7134/saa7134-tvaudio.c
parent16008d641670571ff4cd750b416c7caf2d89f467 (diff)
parent126400033940afb658123517a2e80eb68259fbd7 (diff)
downloadlinux-122804ecb59493fbb4d31b3ba9ac59faaf45276f.tar.xz
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (655 commits) [media] revert patch: HDIC HD29L2 DMB-TH USB2.0 reference design driver mb86a20s: Add a few more register settings at the init seq mb86a20s: Group registers into the same line [media] [PATCH] don't reset the delivery system on DTV_CLEAR [media] [BUG] it913x-fe fix typo error making SNR levels unstable [media] cx23885: Query the CX25840 during enum_input for status [media] cx25840: Add support for g_input_status [media] rc-videomate-m1f.c Rename to match remote controler name [media] drivers: media: au0828: Fix dependency for VIDEO_AU0828 [media] convert drivers/media/* to use module_platform_driver() [media] drivers: video: cx231xx: Fix dependency for VIDEO_CX231XX_DVB [media] Exynos4 JPEG codec v4l2 driver [media] doc: v4l: selection: choose pixels as units for selection rectangles [media] v4l: s5p-tv: mixer: fix setup of VP scaling [media] v4l: s5p-tv: mixer: add support for selection API [media] v4l: emulate old crop API using extended crop/compose API [media] doc: v4l: add documentation for selection API [media] doc: v4l: add binary images for selection API [media] v4l: add support for selection api [media] hd29l2: fix review findings ...
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-tvaudio.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-tvaudio.c65
1 files changed, 38 insertions, 27 deletions
diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c
index 57e646bb48b3..b7a99bee2f98 100644
--- a/drivers/media/video/saa7134/saa7134-tvaudio.c
+++ b/drivers/media/video/saa7134/saa7134-tvaudio.c
@@ -332,6 +332,13 @@ static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan)
{
__s32 left,right,value;
+ if (!(dev->tvnorm->id & scan->std)) {
+ value = 0;
+ dprintk("skipping %d.%03d MHz [%4s]\n",
+ scan->carr / 1000, scan->carr % 1000, scan->name);
+ return 0;
+ }
+
if (audio_debug > 1) {
int i;
dprintk("debug %d:",scan->carr);
@@ -348,30 +355,25 @@ static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan)
}
printk("\n");
}
- if (dev->tvnorm->id & scan->std) {
- tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90);
- saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
- if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
- return -1;
- left = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
-
- tvaudio_setcarrier(dev,scan->carr+90,scan->carr+90);
- saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
- if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
- return -1;
- right = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
-
- left >>= 16;
- right >>= 16;
- value = left > right ? left - right : right - left;
- dprintk("scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n",
- scan->carr / 1000, scan->carr % 1000,
- scan->name, value, left, right);
- } else {
- value = 0;
- dprintk("skipping %d.%03d MHz [%4s]\n",
- scan->carr / 1000, scan->carr % 1000, scan->name);
- }
+
+ tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90);
+ saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
+ if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
+ return -1;
+ left = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
+
+ tvaudio_setcarrier(dev,scan->carr+90,scan->carr+90);
+ saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
+ if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
+ return -1;
+ right = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
+
+ left >>= 16;
+ right >>= 16;
+ value = left > right ? left - right : right - left;
+ dprintk("scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n",
+ scan->carr / 1000, scan->carr % 1000,
+ scan->name, value, left, right);
return value;
}
@@ -546,6 +548,7 @@ static int tvaudio_thread(void *data)
dev->tvnorm->name, carrier/1000, carrier%1000,
max1, max2);
dev->last_carrier = carrier;
+ dev->automute = 0;
} else if (0 != dev->last_carrier) {
/* no carrier -- try last detected one as fallback */
@@ -553,6 +556,7 @@ static int tvaudio_thread(void *data)
dprintk("audio carrier scan failed, "
"using %d.%03d MHz [last detected]\n",
carrier/1000, carrier%1000);
+ dev->automute = 1;
} else {
/* no carrier + no fallback -- use default */
@@ -560,9 +564,9 @@ static int tvaudio_thread(void *data)
dprintk("audio carrier scan failed, "
"using %d.%03d MHz [default]\n",
carrier/1000, carrier%1000);
+ dev->automute = 1;
}
tvaudio_setcarrier(dev,carrier,carrier);
- dev->automute = 0;
saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x00);
saa7134_tvaudio_setmute(dev);
/* find the exact tv audio norm */
@@ -601,7 +605,7 @@ static int tvaudio_thread(void *data)
if (kthread_should_stop())
break;
if (UNSET == dev->thread.mode) {
- rx = tvaudio_getstereo(dev,&tvaudio[i]);
+ rx = tvaudio_getstereo(dev, &tvaudio[audio]);
mode = saa7134_tvaudio_rx2mode(rx);
} else {
mode = dev->thread.mode;
@@ -1020,6 +1024,7 @@ int saa7134_tvaudio_init2(struct saa7134_dev *dev)
}
dev->thread.thread = NULL;
+ dev->thread.scan1 = dev->thread.scan2 = 0;
if (my_thread) {
saa7134_tvaudio_init(dev);
/* start tvaudio thread */
@@ -1029,13 +1034,19 @@ int saa7134_tvaudio_init2(struct saa7134_dev *dev)
dev->name);
/* XXX: missing error handling here */
}
- saa7134_tvaudio_do_scan(dev);
}
saa7134_enable_i2s(dev);
return 0;
}
+int saa7134_tvaudio_close(struct saa7134_dev *dev)
+{
+ dev->automute = 1;
+ /* anything else to undo? */
+ return 0;
+}
+
int saa7134_tvaudio_fini(struct saa7134_dev *dev)
{
/* shutdown tvaudio thread */