From: Andriy Tryshnivskyy Date: Sun, 24 Oct 2021 09:16:26 +0000 (+0300) Subject: iio: core: Introduce IIO_VAL_INT_64. X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6bb835f3d00467c9a5e35f4955afa29df96a404e;p=linux.git 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 Link: https://lore.kernel.org/r/20211024091627.28031-2-andriy.tryshnivskyy@opensynergy.com Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 463a63d5bf56a..d94d26b11473f 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 84b3f8175cc6b..a7aa91f3a8dc7 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