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[media] V4L: sh_mobile_csi2: do not guess the client, the host tells us 

We do not have to scan the list of subdevices to find our client - the
sensor, the host has already set our grp_id value.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski 2011-09-05 08:26:20 -03:00 committed by Mauro Carvalho Chehab
parent 489759c0ca
commit da83d9dc0a
1 changed files with 3 additions and 15 deletions
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18
drivers/media/video/sh_mobile_csi2.c
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@ -201,22 +201,13 @@ static void sh_csi2_hwinit(struct sh_csi2 *priv)
static int sh_csi2_client_connect(struct sh_csi2 *priv)
{
struct sh_csi2_pdata *pdata = priv->pdev->dev.platform_data;
struct v4l2_subdev *sd, *csi2_sd = &priv->subdev;
struct soc_camera_device *icd = NULL;
struct soc_camera_device *icd = (struct soc_camera_device *)priv->subdev.grp_id;
struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
struct device *dev = v4l2_get_subdevdata(&priv->subdev);
struct v4l2_mbus_config cfg;
unsigned long common_flags, csi2_flags;
int i, ret;
v4l2_device_for_each_subdev(sd, csi2_sd->v4l2_dev)
if (sd->grp_id) {
icd = (struct soc_camera_device *)sd->grp_id;
break;
}
if (!icd)
return -EINVAL;
for (i = 0; i < pdata->num_clients; i++)
if (&pdata->clients[i].pdev->dev == icd->pdev)
break;
@ -246,7 +237,7 @@ static int sh_csi2_client_connect(struct sh_csi2 *priv)
}
cfg.type = V4L2_MBUS_CSI2;
ret = v4l2_subdev_call(sd, video, g_mbus_config, &cfg);
ret = v4l2_subdev_call(client_sd, video, g_mbus_config, &cfg);
if (ret == -ENOIOCTLCMD)
common_flags = csi2_flags;
else if (!ret)
@ -262,8 +253,6 @@ static int sh_csi2_client_connect(struct sh_csi2 *priv)
priv->mipi_flags = common_flags;
priv->client = pdata->clients + i;
csi2_sd->grp_id = (long)icd;
pm_runtime_get_sync(dev);
sh_csi2_hwinit(priv);
@ -274,7 +263,6 @@ static int sh_csi2_client_connect(struct sh_csi2 *priv)
static void sh_csi2_client_disconnect(struct sh_csi2 *priv)
{
priv->client = NULL;
priv->subdev.grp_id = 0;
pm_runtime_put(v4l2_get_subdevdata(&priv->subdev));
}