diff options
| author |   Hans Verkuil <hans.verkuil@cisco.com> | 2012-09-20 09:06:31 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-05 22:09:07 -0300 |
| commit | 882084ad0f9791f2e8386ba3f9f3836f0c3e9fa6 (patch) | |
| tree | 5980e637008480d2a77795c7ba8bf2cc73f36f16 /drivers/media | |
| parent | [media] vpif_capture: separate subdev from input (diff) | |
| download | linux-dev-882084ad0f9791f2e8386ba3f9f3836f0c3e9fa6.tar.xz linux-dev-882084ad0f9791f2e8386ba3f9f3836f0c3e9fa6.zip | |
[media] vpif_display: use a v4l2_subdev pointer to call a subdev
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@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Tested-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/davinci/vpif_display.c | 17 | ||||
| -rw-r--r-- | 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 4e2800043c9f..6229e4844bed 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 @@ -1739,6 +1738,8 @@ 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 532ee9e8ce38..a5a18f74395c 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; |