diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 16:01:05 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 16:01:05 +0200 |
commit | 0e50a4c6ab94ffe7e5515b86b5df9e5abc8c6b13 (patch) | |
tree | 3c688483e71261f564fc43be3157b337ae340dca /drivers/media/dvb/dvb-core | |
parent | 34b2cd5b688b012975fcfc3b3970fc3508fa82c4 (diff) | |
parent | f26a3988917913b3d11b2bd741601a2c64ab9204 (diff) |
Merge branch 'linus' into x86/pebstip-x86-pebs-2008-05-17-14-01-06
Diffstat (limited to 'drivers/media/dvb/dvb-core')
-rw-r--r-- | drivers/media/dvb/dvb-core/dvb_ca_en50221.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c index 8cbdb0ec67e2..588fbe105c27 100644 --- a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c @@ -910,15 +910,21 @@ 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: @@ -926,19 +932,17 @@ 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; } |