From: Lars-Peter Clausen Date: Wed, 26 Nov 2014 17:55:10 +0000 (+0100) Subject: staging:iio:sca3000: Register same channels for device and buffer X-Git-Tag: firefly_0821_release~176^2~2320^2~245^2~58 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=131e97d3faf2df29a6a488b94890481351f18aea;p=firefly-linux-kernel-4.4.55.git staging:iio:sca3000: Register same channels for device and buffer In preparation for moving the buffer registration to the core make sure to register the same channel array for the device and the buffer. Currently the temperature channel is not registered for the buffer, setting its scan index to -1 will make sure that it is skipped for the buffer. Signed-off-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron --- diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c index cd46a616043b..aef8c916e07b 100644 --- a/drivers/staging/iio/accel/sca3000_core.c +++ b/drivers/staging/iio/accel/sca3000_core.c @@ -459,6 +459,8 @@ static const struct iio_chan_spec sca3000_channels_with_temp[] = { .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OFFSET), + /* No buffer support */ + .scan_index = -1, }, }; @@ -1154,9 +1156,8 @@ static int sca3000_probe(struct spi_device *spi) if (ret < 0) return ret; - ret = iio_buffer_register(indio_dev, - sca3000_channels, - ARRAY_SIZE(sca3000_channels)); + ret = iio_buffer_register(indio_dev, indio_dev->channels, + indio_dev->num_channels); if (ret < 0) goto error_unregister_dev;