diff options
author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-04-18 15:52:50 -0400 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-04-18 15:52:50 -0400 |
commit | 681e4a5e13c1c8315694eb4f44e0cdd84c9082d2 (patch) | |
tree | 699f14527c118859026e8ce0214e689d0b9c88cb /drivers/media/video/saa7134/saa7134-tvaudio.c | |
parent | b960d6c43a63ebd2d8518b328da3816b833ee8cc (diff) | |
parent | c104f1fa1ecf4ee0fc06e31b1f77630b2551be81 (diff) |
Merge commit 'c104f1fa1ecf4ee0fc06e31b1f77630b2551be81' into stable/for-linus-3.4
* commit 'c104f1fa1ecf4ee0fc06e31b1f77630b2551be81': (14566 commits)
cpufreq: OMAP: fix build errors: depends on ARCH_OMAP2PLUS
sparc64: Eliminate obsolete __handle_softirq() function
sparc64: Fix bootup crash on sun4v.
kconfig: delete last traces of __enabled_ from autoconf.h
Revert "kconfig: fix __enabled_ macros definition for invisible and un-selected symbols"
kconfig: fix IS_ENABLED to not require all options to be defined
irq_domain: fix type mismatch in debugfs output format
staging: android: fix mem leaks in __persistent_ram_init()
staging: vt6656: Don't leak memory in drivers/staging/vt6656/ioctl.c::private_ioctl()
staging: iio: hmc5843: Fix crash in probe function.
panic: fix stack dump print on direct call to panic()
drivers/rtc/rtc-pl031.c: enable clock on all ST variants
Revert "mm: vmscan: fix misused nr_reclaimed in shrink_mem_cgroup_zone()"
hugetlb: fix race condition in hugetlb_fault()
drivers/rtc/rtc-twl.c: use static register while reading time
drivers/rtc/rtc-s3c.c: add placeholder for driver private data
drivers/rtc/rtc-s3c.c: fix compilation error
MAINTAINERS: add PCDP console maintainer
memcg: do not open code accesses to res_counter members
drivers/rtc/rtc-efi.c: fix section mismatch warning
...
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-tvaudio.c')
-rw-r--r-- | drivers/media/video/saa7134/saa7134-tvaudio.c | 65 |
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 */ |