i2c: Change prototypes of refcounting functions

Use more standard prototypes for i2c_use_client() and
i2c_release_client(). The former now returns a pointer to the client,
and the latter no longer returns anything. This matches what all other
subsystems do.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Brownell <david-b@pacbell.net>

1 files changed, 4 insertions, 18 deletions

diff --git a/drivers/media/video/vino.c b/drivers/media/video/vino.c
index 9a03dc82c6c..5bb75294b5a 100644
--- a/drivers/media/video/vino.c
+++ b/drivers/media/video/vino.c
@@ -2589,11 +2589,7 @@ static int vino_acquire_input(struct vino_channel_settings *vcs)
         /* First try D1 and then SAA7191 */
         if (vino_drvdata->camera.driver
             && (vino_drvdata->camera.owner == VINO_NO_CHANNEL)) {
-                if (i2c_use_client(vino_drvdata->camera.driver)) {
-                        ret = -ENODEV;
-                        goto out;
-                }
-
+                i2c_use_client(vino_drvdata->camera.driver);
                 vino_drvdata->camera.owner = vcs->channel;
                 vcs->input = VINO_INPUT_D1;
                 vcs->data_norm = VINO_DATA_NORM_D1;
@@ -2602,11 +2598,7 @@ static int vino_acquire_input(struct vino_channel_settings *vcs)
                 int input, data_norm;
                 int saa7191_input;
 
-                if (i2c_use_client(vino_drvdata->decoder.driver)) {
-                        ret = -ENODEV;
-                        goto out;
-                }
-
+                i2c_use_client(vino_drvdata->decoder.driver);
                 input = VINO_INPUT_COMPOSITE;
 
                 saa7191_input = vino_get_saa7191_input(input);
@@ -2688,10 +2680,7 @@ static int vino_set_input(struct vino_channel_settings *vcs, int input)
                 }
 
                 if (vino_drvdata->decoder.owner == VINO_NO_CHANNEL) {
-                        if (i2c_use_client(vino_drvdata->decoder.driver)) {
-                                ret = -ENODEV;
-                                goto out;
-                        }
+                        i2c_use_client(vino_drvdata->decoder.driver);
                         vino_drvdata->decoder.owner = vcs->channel;
                 }
 
@@ -2759,10 +2748,7 @@ static int vino_set_input(struct vino_channel_settings *vcs, int input)
                 }
 
                 if (vino_drvdata->camera.owner == VINO_NO_CHANNEL) {
-                        if (i2c_use_client(vino_drvdata->camera.driver)) {
-                                ret = -ENODEV;
-                                goto out;
-                        }
+                        i2c_use_client(vino_drvdata->camera.driver);
                         vino_drvdata->camera.owner = vcs->channel;
                 }