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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-05-06 07:32:37 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-05-06 07:32:37 -0300 |
| commit | a4ad3ba87e0864db3593fd5825a97f33aced973a (patch) | |
| tree | 4a82ebfa82e4a4764c5cbc87be211be77ac57e47 /linux/drivers/media/dvb | |
| parent | 6e791d849396fdf9afe33a8f5436214cb0b40319 (diff) | |
| parent | 787b3082a3565087befb05537f4fec238546de20 (diff) | |
| download | mediapointer-dvb-s2-a4ad3ba87e0864db3593fd5825a97f33aced973a.tar.gz mediapointer-dvb-s2-a4ad3ba87e0864db3593fd5825a97f33aced973a.tar.bz2 | |
merge: http://linuxtv.org/hg/~endriss/v4l-dvb
From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'linux/drivers/media/dvb')
| -rw-r--r-- | linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c b/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c index 8e197b831..02d902fdf 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c +++ b/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c @@ -911,15 +911,21 @@ static void dvb_ca_en50221_thread_update_delay(struct dvb_ca_private *ca) int curdelay = 100000000; int slot; + /* Beware of too high polling frequency, because one polling + * call might take several hundred milliseconds until timeout! + */ for (slot = 0; slot < ca->slot_count; slot++) { switch (ca->slot_info[slot].slot_state) { default: case DVB_CA_SLOTSTATE_NONE: + delay = HZ * 60; /* 60s */ + if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) + delay = HZ * 5; /* 5s */ + break; case DVB_CA_SLOTSTATE_INVALID: - delay = HZ * 60; - if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) { - delay = HZ / 10; - } + delay = HZ * 60; /* 60s */ + if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) + delay = HZ / 10; /* 100ms */ break; case DVB_CA_SLOTSTATE_UNINITIALISED: @@ -927,19 +933,17 @@ static void dvb_ca_en50221_thread_update_delay(struct dvb_ca_private *ca) case DVB_CA_SLOTSTATE_VALIDATE: case DVB_CA_SLOTSTATE_WAITFR: case DVB_CA_SLOTSTATE_LINKINIT: - delay = HZ / 10; + delay = HZ / 10; /* 100ms */ break; case DVB_CA_SLOTSTATE_RUNNING: - delay = HZ * 60; - if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) { - delay = HZ / 10; - } + delay = HZ * 60; /* 60s */ + if (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) + delay = HZ / 10; /* 100ms */ if (ca->open) { if ((!ca->slot_info[slot].da_irq_supported) || - (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_DA))) { - delay = HZ / 10; - } + (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_DA))) + delay = HZ / 10; /* 100ms */ } break; } |