From 4ec10bacd6bf08de39ebdba9e75060452cc313e0 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 20 Jul 2012 10:19:50 -0300 Subject: [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 [g.liakhovetski@gmx.de: fix compile breakage] Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/soc_camera/mt9m001.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/media/i2c/soc_camera/mt9m001.c') diff --git a/drivers/media/i2c/soc_camera/mt9m001.c b/drivers/media/i2c/soc_camera/mt9m001.c index 00583f5..cd71230 100644 --- a/drivers/media/i2c/soc_camera/mt9m001.c +++ b/drivers/media/i2c/soc_camera/mt9m001.c @@ -377,6 +377,14 @@ static int mt9m001_s_register(struct v4l2_subdev *sd, } #endif +static int mt9m001_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); +} + static int mt9m001_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { struct mt9m001 *mt9m001 = container_of(ctrl->handler, @@ -566,6 +574,7 @@ static struct v4l2_subdev_core_ops mt9m001_subdev_core_ops = { .g_register = mt9m001_g_register, .s_register = mt9m001_s_register, #endif + .s_power = mt9m001_s_power, }; static int mt9m001_enum_fmt(struct v4l2_subdev *sd, unsigned int index, -- cgit v1.1