summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/media/atomisp/i2c/atomisp-lm3554.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c b/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c
index 362ed44b4eff..e046489cd253 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c
@@ -835,7 +835,6 @@ static int lm3554_probe(struct i2c_client *client)
int err = 0;
struct lm3554 *flash;
unsigned int i;
- int ret;
flash = kzalloc(sizeof(*flash), GFP_KERNEL);
if (!flash)
@@ -844,7 +843,7 @@ static int lm3554_probe(struct i2c_client *client)
flash->pdata = lm3554_platform_data_func(client);
if (IS_ERR(flash->pdata)) {
err = PTR_ERR(flash->pdata);
- goto fail1;
+ goto free_flash;
}
v4l2_i2c_subdev_init(&flash->sd, client, &lm3554_ops);
@@ -852,12 +851,12 @@ static int lm3554_probe(struct i2c_client *client)
flash->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
flash->mode = ATOMISP_FLASH_MODE_OFF;
flash->timeout = LM3554_MAX_TIMEOUT / LM3554_TIMEOUT_STEPSIZE - 1;
- ret =
+ err =
v4l2_ctrl_handler_init(&flash->ctrl_handler,
ARRAY_SIZE(lm3554_controls));
- if (ret) {
+ if (err) {
dev_err(&client->dev, "error initialize a ctrl_handler.\n");
- goto fail3;
+ goto unregister_subdev;
}
for (i = 0; i < ARRAY_SIZE(lm3554_controls); i++)
@@ -866,14 +865,15 @@ static int lm3554_probe(struct i2c_client *client)
if (flash->ctrl_handler.error) {
dev_err(&client->dev, "ctrl_handler error.\n");
- goto fail3;
+ err = flash->ctrl_handler.error;
+ goto free_handler;
}
flash->sd.ctrl_handler = &flash->ctrl_handler;
err = media_entity_pads_init(&flash->sd.entity, 0, NULL);
if (err) {
dev_err(&client->dev, "error initialize a media entity.\n");
- goto fail2;
+ goto free_handler;
}
flash->sd.entity.function = MEDIA_ENT_F_FLASH;
@@ -884,16 +884,27 @@ static int lm3554_probe(struct i2c_client *client)
err = lm3554_gpio_init(client);
if (err) {
- dev_err(&client->dev, "gpio request/direction_output fail");
- goto fail3;
+ dev_err(&client->dev, "gpio request/direction_output fail.\n");
+ goto cleanup_media;
+ }
+
+ err = atomisp_register_i2c_module(&flash->sd, NULL, LED_FLASH);
+ if (err) {
+ dev_err(&client->dev, "fail to register atomisp i2c module.\n");
+ goto uninit_gpio;
}
- return atomisp_register_i2c_module(&flash->sd, NULL, LED_FLASH);
-fail3:
+
+ return 0;
+
+uninit_gpio:
+ lm3554_gpio_uninit(client);
+cleanup_media:
media_entity_cleanup(&flash->sd.entity);
+free_handler:
v4l2_ctrl_handler_free(&flash->ctrl_handler);
-fail2:
+unregister_subdev:
v4l2_device_unregister_subdev(&flash->sd);
-fail1:
+free_flash:
kfree(flash);
return err;