[media] soc_camera: Add the ability to bind regulators to soc_camedra devices

In certain machines, camera devices are supplied directly
by a number of regulators. This patch add the ability to drive
these regulators directly by the soc_camera driver.

Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 86e3631764e..9386db829fb 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -97,6 +97,7 @@ struct soc_camera_host_ops {
 #define SOCAM_SENSOR_INVERT_DATA        (1 << 4)
 
 struct i2c_board_info;
+struct regulator_bulk_data;
 
 struct soc_camera_link {
         /* Camera bus id, used to match a camera and a bus */
@@ -108,6 +109,10 @@ struct soc_camera_link {
         const char *module_name;
         void *priv;
 
+        /* Optional regulators that have to be managed on power on/off events */
+        struct regulator_bulk_data *regulators;
+        int num_regulators;
+
         /*
          * For non-I2C devices platform platform has to provide methods to
          * add a device to the system and to remove