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authorTomas Winkler <tomas.winkler@intel.com>2011-11-09 08:26:42 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-11-24 19:18:19 -0200
commita6ff0a06d8634a07db52dbc006fd9ce4c438c1e3 (patch)
tree1e6e6303c25fc21f478a5d8dbd7d228719e123cc /drivers/staging
parent0b217d2125acc039d2f3a94f01821472fbbb75b6 (diff)
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[media] easycap: fix warnings: variable set but not used
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/media/easycap/easycap_low.c10
-rw-r--r--drivers/staging/media/easycap/easycap_main.c7
-rw-r--r--drivers/staging/media/easycap/easycap_sound.c3
3 files changed, 9 insertions, 11 deletions
diff --git a/drivers/staging/media/easycap/easycap_low.c b/drivers/staging/media/easycap/easycap_low.c
index 59fdb8ffa282..0380babed22c 100644
--- a/drivers/staging/media/easycap/easycap_low.c
+++ b/drivers/staging/media/easycap/easycap_low.c
@@ -468,13 +468,17 @@ int setup_stk(struct usb_device *p, bool ntsc)
/****************************************************************************/
int setup_saa(struct usb_device *p, bool ntsc)
{
- int i, ir;
+ int i, rc;
const struct saa7113config *cfg;
if (!p)
return -ENODEV;
cfg = (ntsc) ? saa7113configNTSC : saa7113configPAL;
- for (i = 0; cfg[i].reg != 0xFF; i++)
- ir = write_saa(p, cfg[i].reg, cfg[i].set);
+ for (i = 0; cfg[i].reg != 0xFF; i++) {
+ rc = write_saa(p, cfg[i].reg, cfg[i].set);
+ if (rc)
+ dev_err(&p->dev,
+ "Failed to set SAA register %d", cfg[i].reg);
+ }
return 0;
}
/****************************************************************************/
diff --git a/drivers/staging/media/easycap/easycap_main.c b/drivers/staging/media/easycap/easycap_main.c
index 525a6b6974d3..8ff5f38ea196 100644
--- a/drivers/staging/media/easycap/easycap_main.c
+++ b/drivers/staging/media/easycap/easycap_main.c
@@ -1199,8 +1199,6 @@ int easycap_video_dqbuf(struct easycap *peasycap, int mode)
* WHEN BOOLEAN PARAMETER decimatepixel IS true, ONLY THE FIELD FOR WHICH
* odd==false IS TRANSFERRED TO THE FRAME BUFFER.
*
- * THE BOOLEAN PARAMETER offerfields IS true ONLY WHEN THE USER PROGRAM
- * CHOOSES THE OPTION V4L2_FIELD_INTERLACED.
*/
/*---------------------------------------------------------------------------*/
static int field2frame(struct easycap *peasycap)
@@ -1212,7 +1210,7 @@ static int field2frame(struct easycap *peasycap)
int rc, bytesperpixel, multiplier;
int much, more, over, rump, caches, input;
u8 mask, margin;
- bool odd, isuy, decimatepixel, offerfields, badinput;
+ bool odd, isuy, decimatepixel, badinput;
if (!peasycap) {
SAY("ERROR: peasycap is NULL\n");
@@ -1228,8 +1226,6 @@ static int field2frame(struct easycap *peasycap)
peasycap->field_buffer[peasycap->field_read][0].input,
peasycap->field_read, peasycap->frame_fill);
JOM(8, "===== %i=bytesperpixel\n", peasycap->bytesperpixel);
- if (peasycap->offerfields)
- JOM(8, "===== offerfields\n");
/*---------------------------------------------------------------------------*/
/*
@@ -1251,7 +1247,6 @@ static int field2frame(struct easycap *peasycap)
#endif /*EASYCAP_TESTCARD*/
/*---------------------------------------------------------------------------*/
- offerfields = peasycap->offerfields;
bytesperpixel = peasycap->bytesperpixel;
decimatepixel = peasycap->decimatepixel;
diff --git a/drivers/staging/media/easycap/easycap_sound.c b/drivers/staging/media/easycap/easycap_sound.c
index 353b6b7b74eb..8c8bcae8ded8 100644
--- a/drivers/staging/media/easycap/easycap_sound.c
+++ b/drivers/staging/media/easycap/easycap_sound.c
@@ -592,7 +592,6 @@ static int easycap_alsa_ack(struct snd_pcm_substream *pss)
static int easycap_alsa_trigger(struct snd_pcm_substream *pss, int cmd)
{
struct easycap *peasycap;
- int retval;
JOT(4, "%i=cmd cf %i=START %i=STOP\n", cmd, SNDRV_PCM_TRIGGER_START,
SNDRV_PCM_TRIGGER_STOP);
@@ -615,7 +614,7 @@ static int easycap_alsa_trigger(struct snd_pcm_substream *pss, int cmd)
break;
}
default:
- retval = -EINVAL;
+ return -EINVAL;
}
return 0;
}