From: Robert Morell <[email protected]> This helper macro retrieves the fractional part of a fixed20_12 20.12 fixed-point number.
Signed-off-by: Robert Morell <[email protected]> Signed-off-by: Olof Johansson <[email protected]> Signed-off-by: Thierry Reding <[email protected]> --- include/drm/drm_fixed.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/drm/drm_fixed.h b/include/drm/drm_fixed.h index 4a08a66..0ead502 100644 --- a/include/drm/drm_fixed.h +++ b/include/drm/drm_fixed.h @@ -37,6 +37,7 @@ typedef union dfixed { #define dfixed_init(A) { .full = dfixed_const((A)) } #define dfixed_init_half(A) { .full = dfixed_const_half((A)) } #define dfixed_trunc(A) ((A).full >> 12) +#define dfixed_frac(A) ((A).full & ((1 << 12) - 1)) static inline u32 dfixed_floor(fixed20_12 A) { -- 1.7.10 _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
