diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-tvaudio.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-tvaudio.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c index 976318d5082..f8e304c7623 100644 --- a/drivers/media/video/saa7134/saa7134-tvaudio.c +++ b/drivers/media/video/saa7134/saa7134-tvaudio.c @@ -27,6 +27,7 @@ #include <linux/kthread.h> #include <linux/slab.h> #include <linux/delay.h> +#include <linux/freezer.h> #include <asm/div64.h> #include "saa7134-reg.h" @@ -502,13 +503,17 @@ static int tvaudio_thread(void *data) unsigned int i, audio, nscan; int max1,max2,carrier,rx,mode,lastmode,default_carrier; - allow_signal(SIGTERM); + + set_freezable(); + for (;;) { tvaudio_sleep(dev,-1); - if (kthread_should_stop() || signal_pending(current)) + if (kthread_should_stop()) goto done; restart: + try_to_freeze(); + dev->thread.scan1 = dev->thread.scan2; dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); dev->tvaudio = NULL; @@ -612,9 +617,12 @@ static int tvaudio_thread(void *data) lastmode = 42; for (;;) { + + try_to_freeze(); + if (tvaudio_sleep(dev,5000)) goto restart; - if (kthread_should_stop() || signal_pending(current)) + if (kthread_should_stop()) break; if (UNSET == dev->thread.mode) { rx = tvaudio_getstereo(dev,&tvaudio[i]); @@ -630,6 +638,7 @@ static int tvaudio_thread(void *data) } done: + dev->thread.stopped = 1; return 0; } @@ -777,7 +786,8 @@ static int tvaudio_thread_ddep(void *data) struct saa7134_dev *dev = data; u32 value, norms, clock; - allow_signal(SIGTERM); + + set_freezable(); clock = saa7134_boards[dev->board].audio_clock; if (UNSET != audio_clock_override) @@ -790,10 +800,13 @@ static int tvaudio_thread_ddep(void *data) for (;;) { tvaudio_sleep(dev,-1); - if (kthread_should_stop() || signal_pending(current)) + if (kthread_should_stop()) goto done; restart: + + try_to_freeze(); + dev->thread.scan1 = dev->thread.scan2; dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); @@ -870,6 +883,7 @@ static int tvaudio_thread_ddep(void *data) } done: + dev->thread.stopped = 1; return 0; } @@ -997,7 +1011,7 @@ int saa7134_tvaudio_init2(struct saa7134_dev *dev) int saa7134_tvaudio_fini(struct saa7134_dev *dev) { /* shutdown tvaudio thread */ - if (dev->thread.thread) + if (dev->thread.thread && !dev->thread.stopped) kthread_stop(dev->thread.thread); saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */ @@ -1013,7 +1027,9 @@ int saa7134_tvaudio_do_scan(struct saa7134_dev *dev) } else if (dev->thread.thread) { dev->thread.mode = UNSET; dev->thread.scan2++; - wake_up_process(dev->thread.thread); + + if (!dev->insuspend && !dev->thread.stopped) + wake_up_process(dev->thread.thread); } else { dev->automute = 0; saa7134_tvaudio_setmute(dev); |