On 25/05/16 11:33, Daniel Baluta wrote:
> On Tue, May 24, 2016 at 10:16 PM, Alison Schofield <amsfield22@xxxxxxxxx> wrote:
>> Driver was checking for direct mode but not locking it down.
>> Use iio_device_claim_direct_mode() to guarantee device stays
>> in direct mode.
>>
>> Signed-off-by: Alison Schofield <amsfield22@xxxxxxxxx>
>> Cc: Daniel Baluta <daniel.baluta@xxxxxxxxx>
>
> Acked-by: Daniel Baluta <daniel.baluta@xxxxxxxxx>
Looks good.
Applied to the togreg branch of iio.git - initially pushed out as testing
for the autobuilders to play with it.
Thanks,
Jonathan
>
>> ---
>> drivers/iio/adc/ad7266.c | 7 +++----
>> 1 file changed, 3 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c
>> index 21e19b6..01240ae 100644
>> --- a/drivers/iio/adc/ad7266.c
>> +++ b/drivers/iio/adc/ad7266.c
>> @@ -154,12 +154,11 @@ static int ad7266_read_raw(struct iio_dev *indio_dev,
>>
>> switch (m) {
>> case IIO_CHAN_INFO_RAW:
>> - if (iio_buffer_enabled(indio_dev))
>> - return -EBUSY;
>> -
>> - ret = ad7266_read_single(st, val, chan->address);
>> + ret = iio_device_claim_direct_mode(indio_dev);
>> if (ret)
>> return ret;
>> + ret = ad7266_read_single(st, val, chan->address);
>> + iio_device_release_direct_mode(indio_dev);
>>
>> *val = (*val >> 2) & 0xfff;
>> if (chan->scan_type.sign == 's')
>> --
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