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authorMauro Carvalho Chehab <mchehab@infradead.org>2008-05-26 11:03:02 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-05-26 11:03:02 -0300
commita82eaa7377673a13928748c3d6944e45ce842879 (patch)
tree67ee787947bc809f140a430e46dbb8bad135f1a5 /linux/drivers
parentebb4e330e16359764aa5d9083b92f8631bc669ea (diff)
downloadmediapointer-dvb-s2-a82eaa7377673a13928748c3d6944e45ce842879.tar.gz
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v4l/tuner-core: consistent handling of return values
From: Marcin Slusarz <marcin.slusarz@gmail.com> change check_mode and set_mode to return negative errors and fix all callers Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'linux/drivers')
-rw-r--r--linux/drivers/media/video/tuner-core.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/linux/drivers/media/video/tuner-core.c b/linux/drivers/media/video/tuner-core.c
index d542d253b..63f3c914c 100644
--- a/linux/drivers/media/video/tuner-core.c
+++ b/linux/drivers/media/video/tuner-core.c
@@ -575,7 +575,7 @@ static inline int check_mode(struct tuner *t, char *cmd)
#if 0
tuner_dbg("Cmd %s rejected for mode %i\n", cmd,t->mode);
#endif
- return EINVAL;
+ return -EINVAL;
}
switch (t->mode) {
@@ -769,11 +769,11 @@ static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode,
t->mode = mode;
- if (check_mode(t, cmd) == EINVAL) {
+ if (check_mode(t, cmd) == -EINVAL) {
t->mode = T_STANDBY;
if (analog_ops->standby)
analog_ops->standby(&t->fe);
- return EINVAL;
+ return -EINVAL;
}
return 0;
}
@@ -821,13 +821,13 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
break;
case AUDC_SET_RADIO:
if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO")
- == EINVAL)
+ == -EINVAL)
return 0;
if (t->radio_freq)
set_freq(client, t->radio_freq);
break;
case TUNER_SET_STANDBY:
- if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL)
+ if (check_mode(t, "TUNER_SET_STANDBY") == -EINVAL)
return 0;
t->mode = T_STANDBY;
if (analog_ops->standby)
@@ -835,7 +835,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
break;
#ifdef CONFIG_VIDEO_ALLOW_V4L1
case VIDIOCSAUDIO:
- if (check_mode(t, "VIDIOCSAUDIO") == EINVAL)
+ if (check_mode(t, "VIDIOCSAUDIO") == -EINVAL)
return 0;
if (check_v4l2(t) == EINVAL)
return 0;
@@ -858,7 +858,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
if (check_v4l2(t) == EINVAL)
return 0;
- if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL)
+ if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==-EINVAL)
return 0;
if (vc->norm < ARRAY_SIZE(map))
@@ -872,7 +872,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
unsigned long *v = arg;
- if (check_mode(t, "VIDIOCSFREQ") == EINVAL)
+ if (check_mode(t, "VIDIOCSFREQ") == -EINVAL)
return 0;
if (check_v4l2(t) == EINVAL)
return 0;
@@ -884,7 +884,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct video_tuner *vt = arg;
- if (check_mode(t, "VIDIOCGTUNER") == EINVAL)
+ if (check_mode(t, "VIDIOCGTUNER") == -EINVAL)
return 0;
if (check_v4l2(t) == EINVAL)
return 0;
@@ -928,7 +928,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct video_audio *va = arg;
- if (check_mode(t, "VIDIOCGAUDIO") == EINVAL)
+ if (check_mode(t, "VIDIOCGAUDIO") == -EINVAL)
return 0;
if (check_v4l2(t) == EINVAL)
return 0;
@@ -970,7 +970,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
v4l2_std_id *id = arg;
if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD")
- == EINVAL)
+ == -EINVAL)
return 0;
switch_v4l2();
@@ -986,7 +986,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
struct v4l2_frequency *f = arg;
if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY")
- == EINVAL)
+ == -EINVAL)
return 0;
switch_v4l2();
set_freq(client,f->frequency);
@@ -997,7 +997,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct v4l2_frequency *f = arg;
- if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL)
+ if (check_mode(t, "VIDIOC_G_FREQUENCY") == -EINVAL)
return 0;
switch_v4l2();
f->type = t->mode;
@@ -1018,7 +1018,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct v4l2_tuner *tuner = arg;
- if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL)
+ if (check_mode(t, "VIDIOC_G_TUNER") == -EINVAL)
return 0;
switch_v4l2();
@@ -1065,7 +1065,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct v4l2_tuner *tuner = arg;
- if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL)
+ if (check_mode(t, "VIDIOC_S_TUNER") == -EINVAL)
return 0;
switch_v4l2();