diff options
| -rw-r--r-- | drivers/input/touchscreen/ili210x.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c index e1551cdc6e1a..de81ba77ffc7 100644 --- a/drivers/input/touchscreen/ili210x.c +++ b/drivers/input/touchscreen/ili210x.c @@ -334,10 +334,13 @@ static irqreturn_t ili210x_irq(int irq, void *irq_data) const struct ili2xxx_chip *chip = priv->chip; u8 touchdata[ILI210X_DATA_SIZE] = { 0 }; bool keep_polling; + ktime_t time_next; + s64 time_delta; bool touch; int error; do { + time_next = ktime_add_ms(ktime_get(), ILI2XXX_POLL_PERIOD); error = chip->get_touch_data(client, touchdata); if (error) { dev_err(&client->dev, @@ -347,8 +350,11 @@ static irqreturn_t ili210x_irq(int irq, void *irq_data) touch = ili210x_report_events(priv, touchdata); keep_polling = chip->continue_polling(touchdata, touch); - if (keep_polling) - msleep(ILI2XXX_POLL_PERIOD); + if (keep_polling) { + time_delta = ktime_us_delta(time_next, ktime_get()); + if (time_delta > 0) + usleep_range(time_delta, time_delta + 1000); + } } while (!priv->stop && keep_polling); return IRQ_HANDLED; |