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media: dvb-frontends/stid135: Optional timeout for signal statistic retrieve.

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CrazyCat
2025-01-25 23:31:25 +02:00
parent 6ba271e6fb
commit f52def659a
1 changed files with 12 additions and 2 deletions
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14
drivers/media/dvb-frontends/stid135/stid135-fe.c
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@@ -59,6 +59,10 @@ static unsigned int bbframe;
module_param(bbframe, int, 0644); module_param(bbframe, int, 0644);
MODULE_PARM_DESC(bbframe, "BBFrame L3 encapsulation for GCS, GSE-HEM (default:off)"); MODULE_PARM_DESC(bbframe, "BBFrame L3 encapsulation for GCS, GSE-HEM (default:off)");
static unsigned int timeout=5;
module_param(timeout, int, 0644);
MODULE_PARM_DESC(timeout, "Timeout for signal statistic retrieve 1-20 sec (default:5 sec)");
struct stv_base { struct stv_base {
struct list_head stvlist; struct list_head stvlist;
@@ -696,8 +700,8 @@ static int stid135_read_status(struct dvb_frontend *fe, enum fe_status *status)
if (!state->stats_time || if (!state->stats_time ||
(time_after(jiffies, state->stats_time))) { (time_after(jiffies, state->stats_time))) {
/* Prevent retrieving stats faster than once per 20 seconds */ /* Prevent retrieving stats faster than once per n seconds */
state->stats_time = jiffies + msecs_to_jiffies(20000); state->stats_time = jiffies + msecs_to_jiffies(timeout*1000);
err = fe_stid135_get_signal_info(state->base->handle, state->nr + 1, &state->signal_info, 0); err = fe_stid135_get_signal_info(state->base->handle, state->nr + 1, &state->signal_info, 0);
@@ -1122,6 +1126,12 @@ struct dvb_frontend *stid135_attach(struct i2c_adapter *i2c,
if (base->mode == 2) if (base->mode == 2)
state->rf_in = 3; state->rf_in = 3;
if (timeout < 1)
timeout = 1;
if (timeout > 20)
timeout = 20;
dev_info(&i2c->dev, "%s demod found at adr %02X on %s\n", dev_info(&i2c->dev, "%s demod found at adr %02X on %s\n",
state->fe.ops.info.name, cfg->adr, dev_name(&i2c->dev)); state->fe.ops.info.name, cfg->adr, dev_name(&i2c->dev));