3 files changed, 11 insertions, 7 deletions
diff --git a/kernel/drivers/ac97.c b/kernel/drivers/ac97.c
index b88a32a..27711ff 100644
--- a/kernel/drivers/ac97.c
+++ b/kernel/drivers/ac97.c
@@ -213,7 +213,7 @@ void ac97_init(void) {
   PCM Output by writing value 0 to this register. Now sound card is
   ready to use.
   */
-  ac97_set_volume(100);
+  ac97_set_volume(5);
 
   // Playing sound
   /*
diff --git a/kernel/drivers/ac97.h b/kernel/drivers/ac97.h
index f1089e5..20ac43b 100644
--- a/kernel/drivers/ac97.h
+++ b/kernel/drivers/ac97.h
@@ -1,8 +1,8 @@
-#include <typedefs.h>
 #include <stddef.h>
+#include <typedefs.h>
 
 void ac97_init(void);
-int ac97_add_pcm(u8* buffer, size_t len);
+int ac97_add_pcm(u8 *buffer, size_t len);
 int ac97_can_write(void);
 void ac97_set_volume(int volume);
 int ac97_get_volume(void);
diff --git a/kernel/drivers/mouse.c b/kernel/drivers/mouse.c
index 47133b8..dea8c08 100644
--- a/kernel/drivers/mouse.c
+++ b/kernel/drivers/mouse.c
@@ -102,18 +102,22 @@ void int_mouse(reg_t *r) {
     int16_t y = mouse_u8[2];
     uint8_t xs = mouse_u8[0] & (1 << 4);
     uint8_t ys = mouse_u8[0] & (1 << 5);
-    if (xs)
+    if (xs) {
       x |= 0xFF00;
-    if (ys)
+    }
+    if (ys) {
       y |= 0xFF00;
+    }
 
     mouse_x += x;
     mouse_y -= y;
 
-    if (mouse_x < 0)
+    if (mouse_x < 0) {
       mouse_x = 0;
-    if (mouse_y < 0)
+    }
+    if (mouse_y < 0) {
       mouse_y = 0;
+    }
 
     mouse_middle_button = mouse_u8[0] & (1 << 2);
     mouse_right_button = mouse_u8[0] & (1 << 1);