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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2013-04-04 09:56:09 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-06-21 15:44:23 -0300
commitffebad7948ee0e9c619ae6e87d99437d907fc7e3 (patch)
tree6db7bcc490936282192fde46ea452aa8c661f2b1 /drivers/media/platform/soc_camera
parent[media] omap1-camera: move interface activation and deactivation to clock callbacks (diff)
downloadlinux-dev-ffebad7948ee0e9c619ae6e87d99437d907fc7e3.tar.xz
linux-dev-ffebad7948ee0e9c619ae6e87d99437d907fc7e3.zip
[media] atmel-isi: move interface activation and deactivation to clock callbacks
When adding and removing a client, the atmel-isi camera host driver only activates and deactivates its camera interface respectively, which doesn't include any client-specific actions. Move this functionality into .clock_start() and .clock_stop() callbacks. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/platform/soc_camera')
-rw-r--r--drivers/media/platform/soc_camera/atmel-isi.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c
index c9e080a57a60..104485632501 100644
--- a/drivers/media/platform/soc_camera/atmel-isi.c
+++ b/drivers/media/platform/soc_camera/atmel-isi.c
@@ -745,10 +745,23 @@ static int isi_camera_get_formats(struct soc_camera_device *icd,
return formats;
}
-/* Called with .host_lock held */
static int isi_camera_add_device(struct soc_camera_device *icd)
{
- struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
+ dev_dbg(icd->parent, "Atmel ISI Camera driver attached to camera %d\n",
+ icd->devnum);
+
+ return 0;
+}
+
+static void isi_camera_remove_device(struct soc_camera_device *icd)
+{
+ dev_dbg(icd->parent, "Atmel ISI Camera driver detached from camera %d\n",
+ icd->devnum);
+}
+
+/* Called with .host_lock held */
+static int isi_camera_clock_start(struct soc_camera_host *ici)
+{
struct atmel_isi *isi = ici->priv;
int ret;
@@ -762,21 +775,16 @@ static int isi_camera_add_device(struct soc_camera_device *icd)
return ret;
}
- dev_dbg(icd->parent, "Atmel ISI Camera driver attached to camera %d\n",
- icd->devnum);
return 0;
}
+
/* Called with .host_lock held */
-static void isi_camera_remove_device(struct soc_camera_device *icd)
+static void isi_camera_clock_stop(struct soc_camera_host *ici)
{
- struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct atmel_isi *isi = ici->priv;
clk_disable(isi->mck);
clk_disable(isi->pclk);
-
- dev_dbg(icd->parent, "Atmel ISI Camera driver detached from camera %d\n",
- icd->devnum);
}
static unsigned int isi_camera_poll(struct file *file, poll_table *pt)
@@ -880,6 +888,8 @@ static struct soc_camera_host_ops isi_soc_camera_host_ops = {
.owner = THIS_MODULE,
.add = isi_camera_add_device,
.remove = isi_camera_remove_device,
+ .clock_start = isi_camera_clock_start,
+ .clock_stop = isi_camera_clock_stop,
.set_fmt = isi_camera_set_fmt,
.try_fmt = isi_camera_try_fmt,
.get_formats = isi_camera_get_formats,