diff options
Diffstat (limited to 'drivers/iio/adc/ti-tsc2046.c')
| -rw-r--r-- | drivers/iio/adc/ti-tsc2046.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/iio/adc/ti-tsc2046.c b/drivers/iio/adc/ti-tsc2046.c index b56f2503f14c..8eb717b11cff 100644 --- a/drivers/iio/adc/ti-tsc2046.c +++ b/drivers/iio/adc/ti-tsc2046.c @@ -157,7 +157,7 @@ struct tsc2046_adc_priv { /* Scan data for each channel */ u16 data[TI_TSC2046_MAX_CHAN]; /* Timestamp */ - s64 ts __aligned(8); + aligned_s64 ts; } scan_buf; /* @@ -276,7 +276,7 @@ static int tsc2046_adc_read_one(struct tsc2046_adc_priv *priv, int ch_idx, struct tsc2046_adc_ch_cfg *ch = &priv->ch_cfg[ch_idx]; unsigned int val, val_normalized = 0; int ret, i, count_skip = 0, max_count; - struct spi_transfer xfer; + struct spi_transfer xfer = { }; struct spi_message msg; u8 cmd; @@ -314,7 +314,6 @@ static int tsc2046_adc_read_one(struct tsc2046_adc_priv *priv, int ch_idx, /* automatically power down on last sample */ tx_buf[i].cmd = tsc2046_adc_get_cmd(priv, ch_idx, false); - memset(&xfer, 0, sizeof(xfer)); xfer.tx_buf = tx_buf; xfer.rx_buf = rx_buf; xfer.len = sizeof(*tx_buf) * max_count; @@ -418,8 +417,9 @@ static int tsc2046_adc_scan(struct iio_dev *indio_dev) for (group = 0; group < priv->groups; group++) priv->scan_buf.data[group] = tsc2046_adc_get_val(priv, group); - ret = iio_push_to_buffers_with_timestamp(indio_dev, &priv->scan_buf, - iio_get_time_ns(indio_dev)); + ret = iio_push_to_buffers_with_ts(indio_dev, &priv->scan_buf, + sizeof(priv->scan_buf), + iio_get_time_ns(indio_dev)); /* If the consumer is kfifo, we may get a EBUSY here - ignore it. */ if (ret < 0 && ret != -EBUSY) { dev_err_ratelimited(dev, "Failed to push scan buffer %pe\n", @@ -535,8 +535,7 @@ static enum hrtimer_restart tsc2046_adc_timer(struct hrtimer *hrtimer) if (priv->poll_cnt < TI_TSC2046_POLL_CNT) { priv->poll_cnt++; hrtimer_start(&priv->trig_timer, - ns_to_ktime(priv->scan_interval_us * - NSEC_PER_USEC), + us_to_ktime(priv->scan_interval_us), HRTIMER_MODE_REL_SOFT); if (priv->poll_cnt >= TI_TSC2046_MIN_POLL_CNT) { @@ -605,8 +604,7 @@ static void tsc2046_adc_reenable_trigger(struct iio_trigger *trig) * many samples. Reduce the sample rate for default (touchscreen) use * case. */ - tim = ns_to_ktime((priv->scan_interval_us - priv->time_per_scan_us) * - NSEC_PER_USEC); + tim = us_to_ktime(priv->scan_interval_us - priv->time_per_scan_us); hrtimer_start(&priv->trig_timer, tim, HRTIMER_MODE_REL_SOFT); } @@ -760,7 +758,6 @@ static int tsc2046_adc_probe(struct spi_device *spi) if (!dcfg) return -EINVAL; - spi->bits_per_word = 8; spi->mode &= ~SPI_MODE_X_MASK; spi->mode |= SPI_MODE_0; ret = spi_setup(spi); @@ -812,9 +809,7 @@ static int tsc2046_adc_probe(struct spi_device *spi) spin_lock_init(&priv->state_lock); priv->state = TSC2046_STATE_SHUTDOWN; - hrtimer_init(&priv->trig_timer, CLOCK_MONOTONIC, - HRTIMER_MODE_REL_SOFT); - priv->trig_timer.function = tsc2046_adc_timer; + hrtimer_setup(&priv->trig_timer, tsc2046_adc_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_SOFT); ret = devm_iio_trigger_register(dev, trig); if (ret) { |