diff options
| author | Andriy Tryshnivskyy <andriy.tryshnivskyy@opensynergy.com> | 2021-10-24 12:16:26 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-11-17 17:51:34 +0000 |
| commit | 6bb835f3d00467c9a5e35f4955afa29df96a404e (patch) | |
| tree | 1cf19da52aa604302e3d15bca9e8f08d657607fd | |
| parent | 2c4ce5041cd5d66875137a854b5e19672dce19a5 (diff) | |
| download | linux-6bb835f3d00467c9a5e35f4955afa29df96a404e.tar.bz2 | |
iio: core: Introduce IIO_VAL_INT_64.
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@opensynergy.com>
Link: https://lore.kernel.org/r/20211024091627.28031-2-andriy.tryshnivskyy@opensynergy.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | drivers/iio/industrialio-core.c | 3 | ||||
| -rw-r--r-- | include/linux/iio/types.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 463a63d5bf56..d94d26b11473 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..a7aa91f3a8dc 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 */ #define IIO_VAL_FRACTIONAL 10 #define IIO_VAL_FRACTIONAL_LOG2 11 #define IIO_VAL_CHAR 12 |