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authorDouglas Schilling Landgraf <dougsland@gmail.com>2008-02-13 23:51:26 -0200
committerDouglas Schilling Landgraf <dougsland@gmail.com>2008-02-13 23:51:26 -0200
commit14709eca1644316f1fb628e14525e75dac44c591 (patch)
tree1b8970dc6f7210acfb18cb945e394aa7f869eecc /linux/drivers/media
parent4e1fb6e4fc1c61531db960676cee59c17496e2ea (diff)
downloadmediapointer-dvb-s2-14709eca1644316f1fb628e14525e75dac44c591.tar.gz
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radio-si470x: Add kernel validation to mutex
From: Douglas Schilling Landgraf <dougsland@gmail.com> Added kernel validation to support mutex/semaphore. (kernel < 2.6.16) Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Diffstat (limited to 'linux/drivers/media')
-rw-r--r--linux/drivers/media/radio/radio-si470x.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/linux/drivers/media/radio/radio-si470x.c b/linux/drivers/media/radio/radio-si470x.c
index 772c3a126..d7fe70a00 100644
--- a/linux/drivers/media/radio/radio-si470x.c
+++ b/linux/drivers/media/radio/radio-si470x.c
@@ -114,7 +114,9 @@
#include <linux/version.h>
#include "compat.h"
#include <linux/videodev2.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 16)
#include <linux/mutex.h>
+#endif
#include <media/v4l2-common.h>
#include <media/rds.h>
#include <asm/unaligned.h>
@@ -432,7 +434,11 @@ struct si470x_device {
/* RDS receive buffer */
struct delayed_work work;
wait_queue_head_t read_queue;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 16)
struct mutex lock; /* buffer locking */
+#else
+ struct semaphore lock; /* buffer locking */
+#endif
unsigned char *buffer; /* size is always multiple of three */
unsigned int buf_size;
unsigned int rd_index;