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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-02-15 01:10:20 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-03-21 20:32:03 -0300
commit0ae79d993cd5ce425bedebcbd2f8c4fa310acfe6 (patch)
treeb293dec5aab65aa2851aa77d7f4d1d4151f72b97 /drivers/media/video/tuner-core.c
parent[media] tuner-core: dead code removal (diff)
downloadlinux-dev-0ae79d993cd5ce425bedebcbd2f8c4fa310acfe6.tar.xz
linux-dev-0ae79d993cd5ce425bedebcbd2f8c4fa310acfe6.zip
[media] tuner-core: Fix a few comments on it
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/tuner-core.c')
-rw-r--r--drivers/media/video/tuner-core.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 2a0bea145a78..dcf03face265 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -128,7 +128,7 @@ struct tuner {
* tuner attach/detach logic
*/
-/** This macro allows us to probe dynamically, avoiding static links */
+/* This macro allows us to probe dynamically, avoiding static links */
#ifdef CONFIG_MEDIA_ATTACH
#define tuner_symbol_probe(FUNCTION, ARGS...) ({ \
int __r = -EINVAL; \
@@ -412,13 +412,20 @@ attach_failed:
return;
}
-/*
- * This function apply tuner config to tuner specified
- * by tun_setup structure. I addr is unset, then admin status
- * and tun addr status is more precise then current status,
- * it's applied. Otherwise status and type are applied only to
- * tuner with exactly the same addr.
-*/
+/**
+ * tuner_s_type_addr - Sets the tuner type for a device
+ *
+ * @sd: subdev descriptor
+ * @tun_setup: type to be associated to a given tuner i2c address
+ *
+ * This function applys the tuner config to tuner specified
+ * by tun_setup structure.
+ * If tuner I2C address is UNSET, then it will only set the device
+ * if the tuner supports the mode specified in the call.
+ * If the address is specified, the change will be applied only if
+ * tuner I2C address matches.
+ * The call can change the tuner number and the tuner mode.
+ */
static int tuner_s_type_addr(struct v4l2_subdev *sd,
struct tuner_setup *tun_setup)
{