media: atomisp: Remove gmin_platform VCM code.

VCM support has already been removed from the main atomisp driver
in commit 7473c97dd8d0 ("media: atomisp: Remove custom VCM handling")
remove the left-over dead VCM handling from the gmin platform code.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/atomisp/include/linux/atomisp_gmin_platform.h

@@ -28,7 +28,4 @@ gmin_camera_platform_data(
     struct v4l2_subdev *subdev,
     enum atomisp_input_format csi_format,
     enum atomisp_bayer_order csi_bayer);
-
-int atomisp_gmin_register_vcm_control(struct camera_vcm_control *);
-
 #endif

drivers/staging/media/atomisp/include/linux/atomisp_platform.h

@@ -147,25 +147,6 @@ struct atomisp_input_stream_info {
 	struct atomisp_isys_config_info isys_info[MAX_STREAMS_PER_CHANNEL];
 };
 
-struct camera_vcm_control;
-struct camera_vcm_ops {
-	int (*power_up)(struct v4l2_subdev *sd, struct camera_vcm_control *vcm);
-	int (*power_down)(struct v4l2_subdev *sd,
-			  struct camera_vcm_control *vcm);
-	int (*queryctrl)(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc,
-			 struct camera_vcm_control *vcm);
-	int (*g_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl,
-		      struct camera_vcm_control *vcm);
-	int (*s_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl,
-		      struct camera_vcm_control *vcm);
-};
-
-struct camera_vcm_control {
-	char camera_module[CAMERA_MODULE_ID_LEN];
-	struct camera_vcm_ops *ops;
-	struct list_head list;
-};
-
 struct camera_sensor_platform_data {
 	int (*flisclk_ctrl)(struct v4l2_subdev *subdev, int flag);
 	int (*csi_cfg)(struct v4l2_subdev *subdev, int flag);
@@ -179,8 +160,6 @@ struct camera_sensor_platform_data {
 	int (*v1p8_ctrl)(struct v4l2_subdev *subdev, int on);
 	int (*v2p8_ctrl)(struct v4l2_subdev *subdev, int on);
 	int (*v1p2_ctrl)(struct v4l2_subdev *subdev, int on);
-	struct camera_vcm_control *(*get_vcm_ctrl)(struct v4l2_subdev *subdev,
-		char *module_id);
 };
 
 struct camera_mipi_info {

drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c

@@ -75,7 +75,6 @@ struct gmin_subdev {
 	struct regulator *v1p8_reg;
 	struct regulator *v2p8_reg;
 	struct regulator *v1p2_reg;
-	struct regulator *v2p8_vcm_reg;
 	enum atomisp_camera_port csi_port;
 	unsigned int csi_lanes;
 	enum atomisp_input_format csi_fmt;
@@ -85,7 +84,6 @@ struct gmin_subdev {
 	bool v1p8_on;
 	bool v2p8_on;
 	bool v1p2_on;
-	bool v2p8_vcm_on;
 
 	int v1p8_gpio;
 	int v2p8_gpio;
@@ -133,9 +131,6 @@ static const struct atomisp_platform_data pdata = {
 	.subdevs = pdata_subdevs,
 };
 
-static LIST_HEAD(vcm_devices);
-static DEFINE_MUTEX(vcm_lock);
-
 static struct gmin_subdev *find_gmin_subdev(struct v4l2_subdev *subdev);
 
 const struct atomisp_platform_data *atomisp_get_platform_data(void)
@@ -214,7 +209,6 @@ int atomisp_gmin_remove_subdev(struct v4l2_subdev *sd)
 				regulator_put(gmin_subdevs[i].v1p8_reg);
 				regulator_put(gmin_subdevs[i].v2p8_reg);
 				regulator_put(gmin_subdevs[i].v1p2_reg);
-				regulator_put(gmin_subdevs[i].v2p8_vcm_reg);
 			}
 			gmin_subdevs[i].subdev = NULL;
 		}
@@ -664,7 +658,6 @@ static int gmin_subdev_add(struct gmin_subdev *gs)
 		gs->v2p8_reg = regulator_get(dev, "V2P8SX");
 
 		gs->v1p2_reg = regulator_get(dev, "V1P2A");
-		gs->v2p8_vcm_reg = regulator_get(dev, "VPROG4B");
 
 		/* Note: ideally we would initialize v[12]p8_on to the
 		 * output of regulator_is_enabled(), but sadly that
@@ -1167,31 +1160,6 @@ void atomisp_unregister_subdev(struct v4l2_subdev *subdev)
 }
 EXPORT_SYMBOL_GPL(atomisp_unregister_subdev);
 
-static struct camera_vcm_control *gmin_get_vcm_ctrl(struct v4l2_subdev *subdev,
-	char *camera_module)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(subdev);
-	struct gmin_subdev *gs = find_gmin_subdev(subdev);
-	struct camera_vcm_control *vcm;
-
-	if (!client || !gs)
-		return NULL;
-
-	if (!camera_module)
-		return NULL;
-
-	mutex_lock(&vcm_lock);
-	list_for_each_entry(vcm, &vcm_devices, list) {
-		if (!strcmp(camera_module, vcm->camera_module)) {
-			mutex_unlock(&vcm_lock);
-			return vcm;
-		}
-	}
-
-	mutex_unlock(&vcm_lock);
-	return NULL;
-}
-
 static struct camera_sensor_platform_data pmic_gmin_plat = {
 	.gpio0_ctrl = gmin_gpio0_ctrl,
 	.gpio1_ctrl = gmin_gpio1_ctrl,
@@ -1200,7 +1168,6 @@ static struct camera_sensor_platform_data pmic_gmin_plat = {
 	.v1p2_ctrl = gmin_v1p2_ctrl,
 	.flisclk_ctrl = gmin_flisclk_ctrl,
 	.csi_cfg = gmin_csi_cfg,
-	.get_vcm_ctrl = gmin_get_vcm_ctrl,
 };
 
 static struct camera_sensor_platform_data acpi_gmin_plat = {
@@ -1211,7 +1178,6 @@ static struct camera_sensor_platform_data acpi_gmin_plat = {
 	.v1p2_ctrl = gmin_acpi_pm_ctrl,
 	.flisclk_ctrl = gmin_acpi_pm_ctrl,
 	.csi_cfg = gmin_csi_cfg,
-	.get_vcm_ctrl = gmin_get_vcm_ctrl,
 };
 
 struct camera_sensor_platform_data *
@@ -1236,19 +1202,6 @@ gmin_camera_platform_data(struct v4l2_subdev *subdev,
 }
 EXPORT_SYMBOL_GPL(gmin_camera_platform_data);
 
-int atomisp_gmin_register_vcm_control(struct camera_vcm_control *vcmCtrl)
-{
-	if (!vcmCtrl)
-		return -EINVAL;
-
-	mutex_lock(&vcm_lock);
-	list_add_tail(&vcmCtrl->list, &vcm_devices);
-	mutex_unlock(&vcm_lock);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(atomisp_gmin_register_vcm_control);
-
 static int gmin_get_hardcoded_var(struct device *dev,
 				  struct gmin_cfg_var *varlist,
 				  const char *var8, char *out, size_t *out_len)