Module: xenomai-abe
Branch: experimental
Commit: f26620cb08a9bf979bd3977988de5d2a7f7ff5ab
URL:
http://git.xenomai.org/?p=xenomai-abe.git;a=commit;h=f26620cb08a9bf979bd3977988de5d2a7f7ff5ab
Author: Alexis Berlemont <alexis.berlem...@gmail.com>
Date: Thu Jun 10 22:44:21 2010 +0200
analogy: prettify some subdevice tests (broken)
---
include/analogy/subdevice.h | 14 +++++++-------
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/include/analogy/subdevice.h b/include/analogy/subdevice.h
index 0337092..8649c8a 100644
--- a/include/analogy/subdevice.h
+++ b/include/analogy/subdevice.h
@@ -277,21 +277,19 @@ typedef struct a4l_rng_info_arg a4l_rnginfo_arg_t;
#ifdef __KERNEL__
-/* --- Subdevice related functions --- */
+/* --- Subdevice related functions and macros --- */
+
a4l_chan_t *a4l_get_chfeat(a4l_subd_t * sb, int idx);
-a4l_rng_t *a4l_get_rngfeat(a4l_subd_t * sb,
- int chidx, int rngidx);
+a4l_rng_t *a4l_get_rngfeat(a4l_subd_t * sb, int chidx, int rngidx);
int a4l_check_chanlist(a4l_subd_t * subd,
unsigned char nb_chan, unsigned int *chans);
-/* --- Upper layer functions --- */
-
static inline int a4l_reserve_subd(a4l_subd_t *subd)
{
return test_and_set_bit(A4L_SUBD_BUSY, &subd->status) ? -EBUSY : 0;
}
-#define a4l_release_subd(x) clear_bit(A4L_SUBD_BUSY, &(x)->status))
-#define a4l_subd_is_busy(x) test_bit(A4L_SUBD_BUSY, &(x)->status))
+#define a4l_release_subd(x) clear_bit(A4L_SUBD_BUSY, &((x)->status))
+#define a4l_subd_is_busy(x) (test_bit(A4L_SUBD_BUSY, &((x)->status)))
#define a4l_subd_is_input(x) ((A4L_SUBD_MASK_READ & (x)->flags) != 0)
/* The following macro considers that a DIO subdevice is firstly an
@@ -300,6 +298,8 @@ static inline int a4l_reserve_subd(a4l_subd_t *subd)
((A4L_SUBD_MASK_WRITE & (x)->flags) != 0 || \
(A4L_SUBD_DIO & (x)->flags) != 0)
+/* --- Upper layer functions --- */
+
a4l_subd_t * a4l_get_subd(struct a4l_device *dev, int idx);
a4l_subd_t * a4l_alloc_subd(int sizeof_priv,
void (*setup)(a4l_subd_t *));
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