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staging: iio: tsl2x7x: don't setup event handlers if interrupts are not configured
The driver would expose to userspace the events directory even if the interrupts were not configured. This patch changes the driver so that the events directory is not exposed to user space if interrupts are not configured. This patch also corrects the indentation of the chan_table_elements and info structure members. Signed-off-by: Brian Masney <masneyb@onstation.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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@ -134,8 +134,9 @@ struct tsl2x7x_als_info {
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struct tsl2x7x_chip_info {
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int chan_table_elements;
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struct iio_chan_spec channel[4];
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const struct iio_info *info;
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struct iio_chan_spec channel_with_events[4];
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struct iio_chan_spec channel_without_events[4];
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const struct iio_info *info;
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};
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struct tsl2X7X_chip {
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@ -1447,7 +1448,7 @@ static const struct iio_event_spec tsl2x7x_events[] = {
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static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = {
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[ALS] = {
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.channel = {
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.channel_with_events = {
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{
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.type = IIO_LIGHT,
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.indexed = 1,
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@ -1469,11 +1470,31 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = {
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.channel = 1,
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},
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},
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.chan_table_elements = 3,
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.info = &tsl2X7X_device_info[ALS],
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.channel_without_events = {
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{
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.type = IIO_LIGHT,
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.indexed = 1,
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.channel = 0,
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.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
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}, {
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.type = IIO_INTENSITY,
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.indexed = 1,
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.channel = 0,
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.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
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BIT(IIO_CHAN_INFO_INT_TIME) |
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BIT(IIO_CHAN_INFO_CALIBSCALE) |
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BIT(IIO_CHAN_INFO_CALIBBIAS),
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}, {
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.type = IIO_INTENSITY,
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.indexed = 1,
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.channel = 1,
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},
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},
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.chan_table_elements = 3,
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.info = &tsl2X7X_device_info[ALS],
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},
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[PRX] = {
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.channel = {
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.channel_with_events = {
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{
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.type = IIO_PROXIMITY,
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.indexed = 1,
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@ -1483,11 +1504,19 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = {
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.num_event_specs = ARRAY_SIZE(tsl2x7x_events),
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},
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},
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.chan_table_elements = 1,
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.info = &tsl2X7X_device_info[PRX],
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.channel_without_events = {
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{
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.type = IIO_PROXIMITY,
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.indexed = 1,
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.channel = 0,
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.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
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},
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},
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.chan_table_elements = 1,
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.info = &tsl2X7X_device_info[PRX],
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},
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[ALSPRX] = {
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.channel = {
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.channel_with_events = {
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{
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.type = IIO_LIGHT,
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.indexed = 1,
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@ -1517,11 +1546,37 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = {
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.num_event_specs = ARRAY_SIZE(tsl2x7x_events),
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},
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},
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.chan_table_elements = 4,
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.info = &tsl2X7X_device_info[ALSPRX],
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.channel_without_events = {
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{
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.type = IIO_LIGHT,
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.indexed = 1,
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.channel = 0,
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.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
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}, {
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.type = IIO_INTENSITY,
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.indexed = 1,
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.channel = 0,
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.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
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BIT(IIO_CHAN_INFO_INT_TIME) |
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BIT(IIO_CHAN_INFO_CALIBSCALE) |
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BIT(IIO_CHAN_INFO_CALIBBIAS),
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}, {
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.type = IIO_INTENSITY,
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.indexed = 1,
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.channel = 1,
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.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
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}, {
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.type = IIO_PROXIMITY,
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.indexed = 1,
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.channel = 0,
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.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
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},
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},
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.chan_table_elements = 4,
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.info = &tsl2X7X_device_info[ALSPRX],
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},
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[PRX2] = {
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.channel = {
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.channel_with_events = {
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{
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.type = IIO_PROXIMITY,
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.indexed = 1,
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@ -1532,11 +1587,20 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = {
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.num_event_specs = ARRAY_SIZE(tsl2x7x_events),
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},
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},
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.chan_table_elements = 1,
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.info = &tsl2X7X_device_info[PRX2],
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.channel_without_events = {
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{
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.type = IIO_PROXIMITY,
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.indexed = 1,
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.channel = 0,
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.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
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BIT(IIO_CHAN_INFO_CALIBSCALE),
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},
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},
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.chan_table_elements = 1,
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.info = &tsl2X7X_device_info[PRX2],
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},
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[ALSPRX2] = {
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.channel = {
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.channel_with_events = {
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{
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.type = IIO_LIGHT,
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.indexed = 1,
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@ -1567,8 +1631,35 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = {
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.num_event_specs = ARRAY_SIZE(tsl2x7x_events),
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},
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},
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.chan_table_elements = 4,
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.info = &tsl2X7X_device_info[ALSPRX2],
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.channel_without_events = {
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{
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.type = IIO_LIGHT,
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.indexed = 1,
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.channel = 0,
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.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
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}, {
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.type = IIO_INTENSITY,
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.indexed = 1,
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.channel = 0,
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.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
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BIT(IIO_CHAN_INFO_INT_TIME) |
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BIT(IIO_CHAN_INFO_CALIBSCALE) |
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BIT(IIO_CHAN_INFO_CALIBBIAS),
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}, {
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.type = IIO_INTENSITY,
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.indexed = 1,
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.channel = 1,
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.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
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}, {
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.type = IIO_PROXIMITY,
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.indexed = 1,
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.channel = 0,
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.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
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BIT(IIO_CHAN_INFO_CALIBSCALE),
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},
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},
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.chan_table_elements = 4,
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.info = &tsl2X7X_device_info[ALSPRX2],
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},
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};
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@ -1620,10 +1711,11 @@ static int tsl2x7x_probe(struct i2c_client *clientp,
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indio_dev->dev.parent = &clientp->dev;
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indio_dev->modes = INDIO_DIRECT_MODE;
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indio_dev->name = chip->client->name;
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indio_dev->channels = chip->chip_info->channel;
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indio_dev->num_channels = chip->chip_info->chan_table_elements;
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if (clientp->irq) {
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indio_dev->channels = chip->chip_info->channel_with_events;
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ret = devm_request_threaded_irq(&clientp->dev, clientp->irq,
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NULL,
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&tsl2x7x_event_handler,
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@ -1636,6 +1728,8 @@ static int tsl2x7x_probe(struct i2c_client *clientp,
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"%s: irq request failed\n", __func__);
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return ret;
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}
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} else {
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indio_dev->channels = chip->chip_info->channel_without_events;
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}
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tsl2x7x_defaults(chip);
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