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Input: tsc2007 - Convert msecs to jiffies only once 

Eliminate redundant calculations by performing millisecond to jiffy
calculations once during driver initialization.

Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Aaron Sierra 2015-03-31 14:35:36 -07:00 committed by Dmitry Torokhov
parent 709583e894
commit bbdb38a22e
1 changed files with 5 additions and 6 deletions
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11
drivers/input/touchscreen/tsc2007.c
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@ -75,7 +75,7 @@ struct tsc2007 {
u16 model;
u16 x_plate_ohms;
u16 max_rt;
unsigned long poll_period;
unsigned long poll_period; /* in jiffies */
int fuzzx;
int fuzzy;
int fuzzz;
@ -214,8 +214,7 @@ static irqreturn_t tsc2007_soft_irq(int irq, void *handle)
dev_dbg(&ts->client->dev, "ignored pressure %d\n", rt);
}
wait_event_timeout(ts->wait, ts->stopped,
msecs_to_jiffies(ts->poll_period));
wait_event_timeout(ts->wait, ts->stopped, ts->poll_period);
}
dev_dbg(&ts->client->dev, "UP\n");
@ -314,9 +313,9 @@ static int tsc2007_probe_dt(struct i2c_client *client, struct tsc2007 *ts)
ts->fuzzz = val32;
if (!of_property_read_u64(np, "ti,poll-period", &val64))
ts->poll_period = val64;
ts->poll_period = msecs_to_jiffies(val64);
else
ts->poll_period = 1;
ts->poll_period = msecs_to_jiffies(1);
if (!of_property_read_u32(np, "ti,x-plate-ohms", &val32)) {
ts->x_plate_ohms = val32;
@ -350,7 +349,7 @@ static int tsc2007_probe_pdev(struct i2c_client *client, struct tsc2007 *ts,
ts->model = pdata->model;
ts->x_plate_ohms = pdata->x_plate_ohms;
ts->max_rt = pdata->max_rt ? : MAX_12BIT;
ts->poll_period = pdata->poll_period ? : 1;
ts->poll_period = msecs_to_jiffies(pdata->poll_period ? : 1);
ts->get_pendown_state = pdata->get_pendown_state;
ts->clear_penirq = pdata->clear_penirq;
ts->fuzzx = pdata->fuzzx;