From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
This makes it easier to have outputs without subdevs.
This needs more work. The way the outputs are configured should be identical
to how inputs are configured.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/platform/davinci/vpif_display.c | 17 +++++++++--------
drivers/media/platform/davinci/vpif_display.h | 1 +
2 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index 66b4b32..8d1ce09 100644
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -1246,6 +1246,8 @@ static int vpif_s_output(struct file *file, void *priv, unsigned int i)
vpif_err("Failed to set output standard\n");
ch->output_idx = i;
+ if (vpif_obj.sd[i])
+ ch->sd = vpif_obj.sd[i];
return ret;
}
@@ -1317,14 +1319,13 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
}
/* Configure subdevice timings, if any */
- ret = v4l2_subdev_call(vpif_obj.sd[ch->output_idx],
- video, s_dv_timings, timings);
+ ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings);
if (ret == -ENOIOCTLCMD) {
vpif_dbg(2, debug, "Custom DV timings not supported by "
"subdevice\n");
- return -EINVAL;
+ return -ENODATA;
}
- if (ret < 0) {
+ if (ret < 0 && ret != -ENODEV) {
vpif_dbg(2, debug, "Error setting custom DV timings\n");
return ret;
}
@@ -1449,8 +1450,7 @@ static int vpif_dbg_g_register(struct file *file, void *priv,
struct vpif_fh *fh = priv;
struct channel_obj *ch = fh->channel;
- return v4l2_subdev_call(vpif_obj.sd[ch->output_idx], core,
- g_register, reg);
+ return v4l2_subdev_call(ch->sd, core, g_register, reg);
}
/*
@@ -1467,8 +1467,7 @@ static int vpif_dbg_s_register(struct file *file, void *priv,
struct vpif_fh *fh = priv;
struct channel_obj *ch = fh->channel;
- return v4l2_subdev_call(vpif_obj.sd[ch->output_idx], core,
- s_register, reg);
+ return v4l2_subdev_call(ch->sd, core, s_register, reg);
}
#endif
@@ -1737,6 +1736,8 @@ static __init int vpif_probe(struct platform_device *pdev)
}
ch->initialized = 0;
+ if (subdev_count)
+ ch->sd = vpif_obj.sd[0];
ch->channel_id = j;
if (j < 2)
ch->common[VPIF_VIDEO_INDEX].numbuffers =
diff --git a/drivers/media/platform/davinci/vpif_display.h b/drivers/media/platform/davinci/vpif_display.h
index 805704c..dca2a8c0 100644
--- a/drivers/media/platform/davinci/vpif_display.h
+++ b/drivers/media/platform/davinci/vpif_display.h
@@ -125,6 +125,7 @@ struct channel_obj {
u8 initialized; /* flag to indicate whether
* encoder is initialized */
u32 output_idx; /* Current output index */
+ struct v4l2_subdev *sd; /* Current output subdev (may be NULL) */
enum vpif_channel_id channel_id;/* Identifies channel */
struct vpif_params vpifparams;
--
1.7.10.4
--
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