V4L/DVB (7161): em28xx: Fix printing debug values higher than 127

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index 4ffb8d0bc52a..6965bafe54a1 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -150,7 +150,7 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
         if (reg_debug){
                 printk(ret < 0 ? " failed!\n" : "%02x values: ", ret);
                 for (byte = 0; byte < len; byte++) {
-                        printk(" %02x", buf[byte]);
+                        printk(" %02x", (unsigned char)buf[byte]);
                 }
                 printk("\n");
         }
@@ -177,7 +177,8 @@ int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg)
                               0x0000, reg, &val, 1, HZ);
 
         if (reg_debug)
-                printk(ret < 0 ? " failed!\n" : "%02x\n", val);
+                printk(ret < 0 ? " failed!\n" :
+                                 "%02x\n", (unsigned char) val);
 
         if (ret < 0)
                 return ret;