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Date:   Sun, 24 Oct 2021 19:58:52 +0300
From:   Andriy Tryshnivskyy <andriy.tryshnivskyy@...nsynergy.com>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     jbhayana@...gle.com, lars@...afoo.de, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org, Vasyl.Vavrychuk@...nsynergy.com,
        andy.shevchenko@...il.com
Subject: Re: [PATCH v7 1/2] iio: core: Introduce IIO_VAL_INT_64.

On 24.10.21 19:10, Jonathan Cameron wrote:

> CAUTION: This email originated from outside of the organization.
> Do not click links or open attachments unless you recognize the sender and know the content is safe.
>
>
> On Sun, 24 Oct 2021 12:16:26 +0300
> Andriy Tryshnivskyy <andriy.tryshnivskyy@...nsynergy.com> wrote:
>
>> Introduce IIO_VAL_INT_64 to read 64-bit value for
>> channel attribute. Val is used as lower 32 bits.
>>
>> Signed-off-by: Andriy Tryshnivskyy <andriy.tryshnivskyy@...nsynergy.com>
>> ---
>>   drivers/iio/industrialio-core.c | 3 +++
>>   include/linux/iio/types.h       | 1 +
>>   2 files changed, 4 insertions(+)
>>
>> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
>> index 6d2175eb7af2..49e42d04ea16 100644
>> --- a/drivers/iio/industrialio-core.c
>> +++ b/drivers/iio/industrialio-core.c
>> @@ -702,6 +702,9 @@ static ssize_t __iio_format_value(char *buf, size_t offset, unsigned int type,
>>        }
>>        case IIO_VAL_CHAR:
>>                return sysfs_emit_at(buf, offset, "%c", (char)vals[0]);
>> +     case IIO_VAL_INT_64:
>> +             tmp2 = (s64)((((u64)vals[1]) << 32) | (u32)vals[0]);
>> +             return sysfs_emit_at(buf, offset, "%lld", tmp2);
>>        default:
>>                return 0;
>>        }
>> diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
>> index 84b3f8175cc6..bb6578a5ee28 100644
>> --- a/include/linux/iio/types.h
>> +++ b/include/linux/iio/types.h
>> @@ -24,6 +24,7 @@ enum iio_event_info {
>>   #define IIO_VAL_INT_PLUS_NANO 3
>>   #define IIO_VAL_INT_PLUS_MICRO_DB 4
>>   #define IIO_VAL_INT_MULTIPLE 5
>> +#define IIO_VAL_INT_64 6 /* 64-bit data, val is lower 32 bits) */
> I'm guessing the closing bracket is left over of some editing?
>
> Otherwise fine and I can tidy that up whilst applying.

Yes, it's a typo. Please remove it while applying. Thanks!

> Note that this is almost certainly too late for this cycle (we are
> about a week away from merge window subject to whatever Linus says
> for rc7 and new stuff needs some time to soak in next), but I'll
> plan to get it queued up early in the next one.
>
Noted. Thanks a lot!

>>   #define IIO_VAL_FRACTIONAL 10
>>   #define IIO_VAL_FRACTIONAL_LOG2 11
>>   #define IIO_VAL_CHAR 12

Best regards,
Andriy.


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