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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2012-07-20 17:19:50 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-16 00:03:29 +0400
commit4ec10bacd6bf08de39ebdba9e75060452cc313e0 (patch)
treee1013540a3643ed039cb96609ca1b23dcd2dcf8b /drivers/media/i2c/soc_camera/ov2640.c
parent24592adce89805c99eb23d1e37aa8a66aaacee05 (diff)
downloadlinux-4ec10bacd6bf08de39ebdba9e75060452cc313e0.tar.xz
[media] soc-camera: Add and use soc_camera_power_[on|off]() helper functions
Instead of forcing all soc-camera drivers to go through the mid-layer to handle power management, create soc_camera_power_[on|off]() functions that can be called from the subdev .s_power() operation to manage regulators and platform-specific power handling. This allows non soc-camera hosts to use soc-camera-aware clients. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> [g.liakhovetski@gmx.de: fix compile breakage] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/i2c/soc_camera/ov2640.c')
-rw-r--r--drivers/media/i2c/soc_camera/ov2640.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/i2c/soc_camera/ov2640.c b/drivers/media/i2c/soc_camera/ov2640.c
index 7c44d1fe3c87..16ed091c702d 100644
--- a/drivers/media/i2c/soc_camera/ov2640.c
+++ b/drivers/media/i2c/soc_camera/ov2640.c
@@ -742,6 +742,14 @@ static int ov2640_s_register(struct v4l2_subdev *sd,
}
#endif
+static int ov2640_s_power(struct v4l2_subdev *sd, int on)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
+
+ return soc_camera_set_power(&client->dev, icl, on);
+}
+
/* Select the nearest higher resolution for capture */
static const struct ov2640_win_size *ov2640_select_win(u32 *width, u32 *height)
{
@@ -988,6 +996,7 @@ static struct v4l2_subdev_core_ops ov2640_subdev_core_ops = {
.g_register = ov2640_g_register,
.s_register = ov2640_s_register,
#endif
+ .s_power = ov2640_s_power,
};
static int ov2640_g_mbus_config(struct v4l2_subdev *sd,