libv4l2util/v4l2_driver.c: fix compile warnings

v4l2_driver.c: In function ‘v4l2_enum_stds’:
v4l2_driver.c:200: warning: unused variable ‘id’
v4l2_driver.c:199: warning: unused variable ‘ret’
v4l2_driver.c: In function ‘v4l2_enum_input’:
v4l2_driver.c:243: warning: unused variable ‘id’
v4l2_driver.c:242: warning: unused variable ‘ret’
v4l2_driver.c: In function ‘v4l2_enum_fmt’:
v4l2_driver.c:284: warning: unused variable ‘id’
v4l2_driver.c:283: warning: unused variable ‘ret’
v4l2_driver.c:281: warning: unused variable ‘fmt’
v4l2_driver.c: In function ‘v4l2_setget_input’:
v4l2_driver.c:372: warning: unused variable ‘i’
v4l2_driver.c: In function ‘v4l2_mmap_bufs’:
v4l2_driver.c:598: warning: unused variable ‘tc’
v4l2_driver.c: In function ‘v4l2_getset_freq’:
v4l2_driver.c:761: warning: unused variable ‘counter’

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

diff --git a/utils/libv4l2util/v4l2_driver.c b/utils/libv4l2util/v4l2_driver.c
index 390ad89..8370ffc 100644 (file)
--- a/utils/libv4l2util/v4l2_driver.c
+++ b/utils/libv4l2util/v4l2_driver.c
@@ -196,8 +196,7 @@ int v4l2_enum_stds (struct v4l2_driver *drv)
 {
        struct v4l2_standard    *p=NULL;
        struct drv_list         *list;
-       int                     ok=0,ret,i;
-       v4l2_std_id             id;
+       int                     ok=0,i;
 
        free_list(&drv->stds);
 
@@ -239,8 +238,7 @@ int v4l2_enum_input (struct v4l2_driver *drv)
 {
        struct v4l2_input       *p=NULL;
        struct drv_list         *list;
-       int                     ok=0,ret,i;
-       v4l2_std_id             id;
+       int                     ok=0,i;
 
        free_list(&drv->inputs);
 
@@ -278,10 +276,8 @@ int v4l2_enum_input (struct v4l2_driver *drv)
 int v4l2_enum_fmt (struct v4l2_driver *drv, enum v4l2_buf_type type)
 {
        struct v4l2_fmtdesc     *p=NULL;
-       struct v4l2_format      fmt;
        struct drv_list         *list;
-       int                     ok=0,ret,i;
-       v4l2_std_id             id;
+       int                     ok=0,i;
 
        free_list(&drv->fmt_caps);
 
@@ -369,7 +365,7 @@ int v4l2_setget_std (struct v4l2_driver *drv, enum v4l2_direction dir, v4l2_std_
 
 int v4l2_setget_input (struct v4l2_driver *drv, enum v4l2_direction dir, struct v4l2_input *input)
 {
-       int                     ok=0,ret,i;
+       int                     ok=0,ret;
        unsigned int            inp=input->index;
        char                    s[256];
 
@@ -595,7 +591,6 @@ int v4l2_mmap_bufs(struct v4l2_driver *drv, unsigned int num_buffers)
 
        for (drv->n_bufs = 0; drv->n_bufs < drv->reqbuf.count; drv->n_bufs++) {
                struct v4l2_buffer *p;
-               struct v4l2_timecode *tc;
 
                /* Requests kernel buffers to be mmapped */
                p=drv->v4l2_bufs[drv->n_bufs]=calloc(1,sizeof(*p));
@@ -758,7 +753,6 @@ int v4l2_getset_freq (struct v4l2_driver *drv, enum v4l2_direction dir,
        struct v4l2_tuner     tun;
        struct v4l2_frequency frq;
        double d = 62500;
-       unsigned int counter;
 
        memset(&tun, 0, sizeof(tun));