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[media] siano: don't request statistics too fast

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As each DVBv3 call may generate an stats overhead, prevent doing
it too fast. This is specially useful if a burst of get stats
DVBv3 call is sent.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2013-03-10 10:51:25 -03:00
parent 4cce1f4eb2
commit a9b9fbdf0a
2 changed files with 7 additions and 0 deletions
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5
drivers/media/common/siano/smsdvb-main.c
View File

@ -663,6 +663,11 @@ static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
int rc;
struct SmsMsgHdr_ST Msg;
/* Don't request stats too fast */
if (client->get_stats_jiffies &&
(!time_after(jiffies, client->get_stats_jiffies)))
return 0;
client->get_stats_jiffies = jiffies + msecs_to_jiffies(100);
Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
Msg.msgDstId = HIF_TASK;

2
drivers/media/common/siano/smsdvb.h
View File

@ -52,6 +52,8 @@ struct smsdvb_client_t {
int event_fe_state;
int event_unc_state;
unsigned long get_stats_jiffies;
/* Stats debugfs data */
struct dentry *debugfs;