[media] cpia2: Fix some gcc 4.6 warnings when debug is disabled

cpia2_core.c:529:14: warning: variable 'dir' set but not used [-Wunused-but-set-variable]
cpia2_core.c:526:5: warning: variable 'block_index' set but not used [-Wunused-but-set-variable]

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/cpia2/cpia2_core.c b/drivers/media/video/cpia2/cpia2_core.c
index aaffca8e13fde4a0aa2f3a30848b25590fcbc021..ee91e295c90a0273de2332c425b62f042564eff6 100644 (file)
--- a/drivers/media/video/cpia2/cpia2_core.c
+++ b/drivers/media/video/cpia2/cpia2_core.c
@@ -519,22 +519,16 @@ int cpia2_do_command(struct camera_data *cam,
  *  cpia2_send_command
  *
  *****************************************************************************/
+
+#define DIR(cmd) ((cmd->direction == TRANSFER_WRITE) ? "Write" : "Read")
+#define BINDEX(cmd) (cmd->req_mode & 0x03)
+
 int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd)
 {
        u8 count;
        u8 start;
-       u8 block_index;
        u8 *buffer;
        int retval;
-       const char* dir;
-
-       if (cmd->direction == TRANSFER_WRITE) {
-               dir = "Write";
-       } else {
-               dir = "Read";
-       }
-
-       block_index = cmd->req_mode & 0x03;
 
        switch (cmd->req_mode & 0x0c) {
        case CAMERAACCESS_TYPE_RANDOM:
@@ -542,32 +536,32 @@ int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd)
                start = 0;
                buffer = (u8 *) & cmd->buffer;
                if (debugs_on & DEBUG_REG)
-                       DBG("%s Random: Register block %s\n", dir,
-                           block_name[block_index]);
+                       DBG("%s Random: Register block %s\n", DIR(cmd),
+                           block_name[BINDEX(cmd)]);
                break;
        case CAMERAACCESS_TYPE_BLOCK:
                count = cmd->reg_count;
                start = cmd->start;
                buffer = cmd->buffer.block_data;
                if (debugs_on & DEBUG_REG)
-                       DBG("%s Block: Register block %s\n", dir,
-                           block_name[block_index]);
+                       DBG("%s Block: Register block %s\n", DIR(cmd),
+                           block_name[BINDEX(cmd)]);
                break;
        case CAMERAACCESS_TYPE_MASK:
                count = cmd->reg_count * sizeof(struct cpia2_reg_mask);
                start = 0;
                buffer = (u8 *) & cmd->buffer;
                if (debugs_on & DEBUG_REG)
-                       DBG("%s Mask: Register block %s\n", dir,
-                           block_name[block_index]);
+                       DBG("%s Mask: Register block %s\n", DIR(cmd),
+                           block_name[BINDEX(cmd)]);
                break;
        case CAMERAACCESS_TYPE_REPEAT:  /* For patch blocks only */
                count = cmd->reg_count;
                start = cmd->start;
                buffer = cmd->buffer.block_data;
                if (debugs_on & DEBUG_REG)
-                       DBG("%s Repeat: Register block %s\n", dir,
-                           block_name[block_index]);
+                       DBG("%s Repeat: Register block %s\n", DIR(cmd),
+                           block_name[BINDEX(cmd)]);
                break;
        default:
                LOG("%s: invalid request mode\n",__func__);
@@ -584,10 +578,10 @@ int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd)
                for (i = 0; i < cmd->reg_count; i++) {
                        if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_BLOCK)
                                KINFO("%s Block: [0x%02X] = 0x%02X\n",
-                                   dir, start + i, buffer[i]);
+                                   DIR(cmd), start + i, buffer[i]);
                        if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_RANDOM)
                                KINFO("%s Random: [0x%02X] = 0x%02X\n",
-                                   dir, cmd->buffer.registers[i].index,
+                                   DIR(cmd), cmd->buffer.registers[i].index,
                                    cmd->buffer.registers[i].value);
                }
        }