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-rw-r--r--drivers/media/video/saa7134/saa7134-tvaudio.c30
-rw-r--r--drivers/media/video/saa7134/saa7134.h1
2 files changed, 24 insertions, 7 deletions
diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c
index 976318d50828..f8e304c76232 100644
--- a/drivers/media/video/saa7134/saa7134-tvaudio.c
+++ b/drivers/media/video/saa7134/saa7134-tvaudio.c
@@ -27,6 +27,7 @@
27#include <linux/kthread.h> 27#include <linux/kthread.h>
28#include <linux/slab.h> 28#include <linux/slab.h>
29#include <linux/delay.h> 29#include <linux/delay.h>
30#include <linux/freezer.h>
30#include <asm/div64.h> 31#include <asm/div64.h>
31 32
32#include "saa7134-reg.h" 33#include "saa7134-reg.h"
@@ -502,13 +503,17 @@ static int tvaudio_thread(void *data)
502 unsigned int i, audio, nscan; 503 unsigned int i, audio, nscan;
503 int max1,max2,carrier,rx,mode,lastmode,default_carrier; 504 int max1,max2,carrier,rx,mode,lastmode,default_carrier;
504 505
505 allow_signal(SIGTERM); 506
507 set_freezable();
508
506 for (;;) { 509 for (;;) {
507 tvaudio_sleep(dev,-1); 510 tvaudio_sleep(dev,-1);
508 if (kthread_should_stop() || signal_pending(current)) 511 if (kthread_should_stop())
509 goto done; 512 goto done;
510 513
511 restart: 514 restart:
515 try_to_freeze();
516
512 dev->thread.scan1 = dev->thread.scan2; 517 dev->thread.scan1 = dev->thread.scan2;
513 dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); 518 dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
514 dev->tvaudio = NULL; 519 dev->tvaudio = NULL;
@@ -612,9 +617,12 @@ static int tvaudio_thread(void *data)
612 617
613 lastmode = 42; 618 lastmode = 42;
614 for (;;) { 619 for (;;) {
620
621 try_to_freeze();
622
615 if (tvaudio_sleep(dev,5000)) 623 if (tvaudio_sleep(dev,5000))
616 goto restart; 624 goto restart;
617 if (kthread_should_stop() || signal_pending(current)) 625 if (kthread_should_stop())
618 break; 626 break;
619 if (UNSET == dev->thread.mode) { 627 if (UNSET == dev->thread.mode) {
620 rx = tvaudio_getstereo(dev,&tvaudio[i]); 628 rx = tvaudio_getstereo(dev,&tvaudio[i]);
@@ -630,6 +638,7 @@ static int tvaudio_thread(void *data)
630 } 638 }
631 639
632 done: 640 done:
641 dev->thread.stopped = 1;
633 return 0; 642 return 0;
634} 643}
635 644
@@ -777,7 +786,8 @@ static int tvaudio_thread_ddep(void *data)
777 struct saa7134_dev *dev = data; 786 struct saa7134_dev *dev = data;
778 u32 value, norms, clock; 787 u32 value, norms, clock;
779 788
780 allow_signal(SIGTERM); 789
790 set_freezable();
781 791
782 clock = saa7134_boards[dev->board].audio_clock; 792 clock = saa7134_boards[dev->board].audio_clock;
783 if (UNSET != audio_clock_override) 793 if (UNSET != audio_clock_override)
@@ -790,10 +800,13 @@ static int tvaudio_thread_ddep(void *data)
790 800
791 for (;;) { 801 for (;;) {
792 tvaudio_sleep(dev,-1); 802 tvaudio_sleep(dev,-1);
793 if (kthread_should_stop() || signal_pending(current)) 803 if (kthread_should_stop())
794 goto done; 804 goto done;
795 805
796 restart: 806 restart:
807
808 try_to_freeze();
809
797 dev->thread.scan1 = dev->thread.scan2; 810 dev->thread.scan1 = dev->thread.scan2;
798 dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); 811 dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
799 812
@@ -870,6 +883,7 @@ static int tvaudio_thread_ddep(void *data)
870 } 883 }
871 884
872 done: 885 done:
886 dev->thread.stopped = 1;
873 return 0; 887 return 0;
874} 888}
875 889
@@ -997,7 +1011,7 @@ int saa7134_tvaudio_init2(struct saa7134_dev *dev)
997int saa7134_tvaudio_fini(struct saa7134_dev *dev) 1011int saa7134_tvaudio_fini(struct saa7134_dev *dev)
998{ 1012{
999 /* shutdown tvaudio thread */ 1013 /* shutdown tvaudio thread */
1000 if (dev->thread.thread) 1014 if (dev->thread.thread && !dev->thread.stopped)
1001 kthread_stop(dev->thread.thread); 1015 kthread_stop(dev->thread.thread);
1002 1016
1003 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */ 1017 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */
@@ -1013,7 +1027,9 @@ int saa7134_tvaudio_do_scan(struct saa7134_dev *dev)
1013 } else if (dev->thread.thread) { 1027 } else if (dev->thread.thread) {
1014 dev->thread.mode = UNSET; 1028 dev->thread.mode = UNSET;
1015 dev->thread.scan2++; 1029 dev->thread.scan2++;
1016 wake_up_process(dev->thread.thread); 1030
1031 if (!dev->insuspend && !dev->thread.stopped)
1032 wake_up_process(dev->thread.thread);
1017 } else { 1033 } else {
1018 dev->automute = 0; 1034 dev->automute = 0;
1019 saa7134_tvaudio_setmute(dev); 1035 saa7134_tvaudio_setmute(dev);
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index fe0a8439b878..66a390c321a7 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -333,6 +333,7 @@ struct saa7134_thread {
333 unsigned int scan1; 333 unsigned int scan1;
334 unsigned int scan2; 334 unsigned int scan2;
335 unsigned int mode; 335 unsigned int mode;
336 unsigned int stopped;
336}; 337};
337 338
338/* buffer for one video/vbi/ts frame */ 339/* buffer for one video/vbi/ts frame */