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authorjean-michel.hautbois@vodalys.com <jean-michel.hautbois@vodalys.com>2015-02-06 17:37:58 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-03-02 20:54:22 +0300
commit5851462531b5c08811057b4530cdb3170e22ac2a (patch)
treeba0ec80191b24da6fb768a04d67c08eb1cb39ded /drivers/media/i2c/adv7604.c
parent8aa9eb9059f6246b530d664f271e5c32858222ed (diff)
downloadlinux-5851462531b5c08811057b4530cdb3170e22ac2a.tar.xz
[media] media: i2c: ADV7604: In free run mode, signal is locked
The CP_NON_STD_VIDEO bit indicates an input not aligned with DV timings. If there is no input, and chip is in free run mode, consider we are locked. Signed-off-by: Jean-Michel Hautbois <jean-michel.hautbois@vodalys.com> [hans.verkuil@cisco.com: put both conditions in one 'if'] Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/i2c/adv7604.c')
-rw-r--r--drivers/media/i2c/adv7604.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index d228b7c82310..5f34e0ab06f3 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -1253,13 +1253,19 @@ static inline bool no_lock_cp(struct v4l2_subdev *sd)
return io_read(sd, 0x12) & 0x01;
}
+static inline bool in_free_run(struct v4l2_subdev *sd)
+{
+ return cp_read(sd, 0xff) & 0x10;
+}
+
static int adv7604_g_input_status(struct v4l2_subdev *sd, u32 *status)
{
*status = 0;
*status |= no_power(sd) ? V4L2_IN_ST_NO_POWER : 0;
*status |= no_signal(sd) ? V4L2_IN_ST_NO_SIGNAL : 0;
- if (no_lock_cp(sd))
- *status |= is_digital_input(sd) ? V4L2_IN_ST_NO_SYNC : V4L2_IN_ST_NO_H_LOCK;
+ if (!in_free_run(sd) && no_lock_cp(sd))
+ *status |= is_digital_input(sd) ?
+ V4L2_IN_ST_NO_SYNC : V4L2_IN_ST_NO_H_LOCK;
v4l2_dbg(1, debug, sd, "%s: status = 0x%x\n", __func__, *status);
@@ -2200,7 +2206,7 @@ static int adv7604_log_status(struct v4l2_subdev *sd)
v4l2_info(sd, "STDI locked: %s\n", no_lock_stdi(sd) ? "false" : "true");
v4l2_info(sd, "CP locked: %s\n", no_lock_cp(sd) ? "false" : "true");
v4l2_info(sd, "CP free run: %s\n",
- (!!(cp_read(sd, 0xff) & 0x10) ? "on" : "off"));
+ (in_free_run(sd)) ? "on" : "off");
v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x, v_freq = 0x%x\n",
io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f,
(io_read(sd, 0x01) & 0x70) >> 4);