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[media] media: i2c: ADV7604: In free run mode, signal is locked

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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>
This commit is contained in:
jean-michel.hautbois@vodalys.com 2015-02-06 11:37:58 -03:00 committed by Mauro Carvalho Chehab
parent 8aa9eb9059
commit 5851462531
1 changed files with 9 additions and 3 deletions
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12
drivers/media/i2c/adv7604.c
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@ -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);