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i2c: Change prototypes of refcounting functions

Browse source 
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 <[email protected]>
Cc: David Brownell <[email protected]>
This commit is contained in:
Jean Delvare 2008-01-27 18:14:48 +01:00 • committed by Jean Delvare
commit e48d33193d
3 changed files with 26 additions and 27 deletions
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22
drivers/media/video/vino.c
View file

@ -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;
}