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| author | Mats Randgaard <mats.randgaard@cisco.com> | 2010-12-16 12:17:45 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-01-19 11:28:19 -0200 |
| commit | 2c0ddd17741383009c53cf557d6526848c8bb917 (patch) | |
| tree | 7c2aa63013f664743a8f3046362912c894384d19 /drivers/media/video/davinci/vpif_display.c | |
| parent | c027e165d2d901ecab485da5fee72ddce5da0297 (diff) | |
| download | linux-2c0ddd17741383009c53cf557d6526848c8bb917.tar.gz linux-2c0ddd17741383009c53cf557d6526848c8bb917.tar.bz2 linux-2c0ddd17741383009c53cf557d6526848c8bb917.zip | |
[media] vpif_cap/disp: Cleanup, improved comments
Signed-off-by: Mats Randgaard <mats.randgaard@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Murali Karicheri <mkaricheri@gmail.com>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Manjunath Hadli <manjunath.hadli@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/davinci/vpif_display.c')
| -rw-r--r-- | drivers/media/video/davinci/vpif_display.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/media/video/davinci/vpif_display.c b/drivers/media/video/davinci/vpif_display.c index 44a885878ebf..7cb70d916f4b 100644 --- a/drivers/media/video/davinci/vpif_display.c +++ b/drivers/media/video/davinci/vpif_display.c @@ -580,7 +580,10 @@ static void vpif_config_addr(struct channel_obj *ch, int muxmode) static int vpif_mmap(struct file *filep, struct vm_area_struct *vma) { struct vpif_fh *fh = filep->private_data; - struct common_obj *common = &fh->channel->common[VPIF_VIDEO_INDEX]; + struct channel_obj *ch = fh->channel; + struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]); + + vpif_dbg(2, debug, "vpif_mmap\n"); return videobuf_mmap_mapper(&common->buffer_queue, vma); } @@ -692,7 +695,12 @@ static int vpif_release(struct file *filep) } /* functions implementing ioctls */ - +/** + * vpif_querycap() - QUERYCAP handler + * @file: file ptr + * @priv: file handle + * @cap: ptr to v4l2_capability structure + */ static int vpif_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { @@ -1106,7 +1114,7 @@ static int vpif_streamon(struct file *file, void *priv, if (ret < 0) return ret; - /* Call videobuf_streamon to start streaming in videobuf */ + /* Call videobuf_streamon to start streaming in videobuf */ ret = videobuf_streamon(&common->buffer_queue); if (ret < 0) { vpif_err("videobuf_streamon\n"); @@ -1873,6 +1881,8 @@ static __init int vpif_probe(struct platform_device *pdev) vpif_obj.sd[i]->grp_id = 1 << i; } + v4l2_info(&vpif_obj.v4l2_dev, + "DM646x VPIF display driver initialized\n"); return 0; probe_subdev_out: |