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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2020-09-14 18:19:11 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2020-09-14 18:19:11 +0300 |
| commit | 818280d5adf1d80e78f95821815148abe9407e14 (patch) | |
| tree | 1c6542cb716eb07a18fa929b5dce94812684f25c /drivers/iio/chemical/ccs811.c | |
| parent | 166774a2c2c6b82da5d984f587567071ff00c1f3 (diff) | |
| parent | 856deb866d16e29bd65952e0289066f6078af773 (diff) | |
| download | linux-818280d5adf1d80e78f95821815148abe9407e14.tar.xz | |
Merge v5.9-rc5 into drm-next
Paul needs 1a21e5b930e8 ("drm/ingenic: Fix leak of device_node
pointer") and 3b5b005ef7d9 ("drm/ingenic: Fix driver not probing when
IPU port is missing") from -fixes to be able to merge further ingenic
patches into -next.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/iio/chemical/ccs811.c')
| -rw-r--r-- | drivers/iio/chemical/ccs811.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/iio/chemical/ccs811.c b/drivers/iio/chemical/ccs811.c index 2b007e7568b2..60dd87e96f5f 100644 --- a/drivers/iio/chemical/ccs811.c +++ b/drivers/iio/chemical/ccs811.c @@ -78,6 +78,11 @@ struct ccs811_data { struct iio_trigger *drdy_trig; struct gpio_desc *wakeup_gpio; bool drdy_trig_on; + /* Ensures correct alignment of timestamp if present */ + struct { + s16 channels[2]; + s64 ts __aligned(8); + } scan; }; static const struct iio_chan_spec ccs811_channels[] = { @@ -327,17 +332,17 @@ static irqreturn_t ccs811_trigger_handler(int irq, void *p) struct iio_dev *indio_dev = pf->indio_dev; struct ccs811_data *data = iio_priv(indio_dev); struct i2c_client *client = data->client; - s16 buf[8]; /* s16 eCO2 + s16 TVOC + padding + 8 byte timestamp */ int ret; - ret = i2c_smbus_read_i2c_block_data(client, CCS811_ALG_RESULT_DATA, 4, - (u8 *)&buf); + ret = i2c_smbus_read_i2c_block_data(client, CCS811_ALG_RESULT_DATA, + sizeof(data->scan.channels), + (u8 *)data->scan.channels); if (ret != 4) { dev_err(&client->dev, "cannot read sensor data\n"); goto err; } - iio_push_to_buffers_with_timestamp(indio_dev, buf, + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, iio_get_time_ns(indio_dev)); err: |