[media] saa7134: some minor cleanups

Mostly using appropriate data types and constants (e.g. int -> bool).

Signed-off-by: David Härdeman <david@hardeman.nu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 21 insertions, 32 deletions

diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c
index 10dc9ad2eae9..d75c307981bc 100644
--- a/drivers/media/video/saa7134/saa7134-input.c
+++ b/drivers/media/video/saa7134/saa7134-input.c
@@ -407,17 +407,16 @@ static int __saa7134_ir_start(void *priv)
         struct saa7134_dev *dev = priv;
         struct saa7134_card_ir *ir;
 
-        if (!dev)
+        if (!dev || !dev->remote)
                 return -EINVAL;
 
         ir  = dev->remote;
-        if (!ir)
-                return -EINVAL;
-
         if (ir->running)
                 return 0;
 
         ir->running = true;
+        ir->active = false;
+
         if (ir->polling) {
                 setup_timer(&ir->timer, saa7134_input_timer,
                             (unsigned long)dev);
@@ -425,10 +424,8 @@ static int __saa7134_ir_start(void *priv)
                 add_timer(&ir->timer);
         } else if (ir->raw_decode) {
                 /* set timer_end for code completion */
-                init_timer(&ir->timer_end);
-                ir->timer_end.function = ir_raw_decode_timer_end;
-                ir->timer_end.data = (unsigned long)dev;
-                ir->active = false;
+                setup_timer(&ir->timer_end, ir_raw_decode_timer_end,
+                            (unsigned long)dev);
         }
 
         return 0;
@@ -439,22 +436,19 @@ static void __saa7134_ir_stop(void *priv)
         struct saa7134_dev *dev = priv;
         struct saa7134_card_ir *ir;
 
-        if (!dev)
+        if (!dev || !dev->remote)
                 return;
 
         ir  = dev->remote;
-        if (!ir)
-                return;
-
         if (!ir->running)
                 return;
-        if (dev->remote->polling)
-                del_timer_sync(&dev->remote->timer);
-        else if (ir->raw_decode) {
+
+        if (ir->polling)
+                del_timer_sync(&ir->timer);
+        else if (ir->raw_decode)
                 del_timer_sync(&ir->timer_end);
-                ir->active = false;
-        }
 
+        ir->active = false;
         ir->running = false;
 
         return;
@@ -499,8 +493,8 @@ int saa7134_input_init1(struct saa7134_dev *dev)
         u32 mask_keycode = 0;
         u32 mask_keydown = 0;
         u32 mask_keyup   = 0;
-        int polling      = 0;
-        int raw_decode   = 0;
+        unsigned polling = 0;
+        bool raw_decode  = false;
         int err;
 
         if (dev->has_remote != SAA7134_REMOTE_GPIO)
@@ -565,14 +559,14 @@ int saa7134_input_init1(struct saa7134_dev *dev)
                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
                 mask_keyup   = 0x0040000;
                 mask_keycode = 0xffff;
-                raw_decode   = 1;
+                raw_decode   = true;
                 break;
         case SAA7134_BOARD_AVERMEDIA_M733A:
                 ir_codes     = RC_MAP_AVERMEDIA_M733A_RM_K6;
                 mask_keydown = 0x0040000;
                 mask_keyup   = 0x0040000;
                 mask_keycode = 0xffff;
-                raw_decode   = 1;
+                raw_decode   = true;
                 break;
         case SAA7134_BOARD_AVERMEDIA_777:
         case SAA7134_BOARD_AVERMEDIA_A16AR:
@@ -679,7 +673,7 @@ int saa7134_input_init1(struct saa7134_dev *dev)
                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
                 mask_keyup   = 0x0040000;
                 mask_keycode = 0xffff;
-                raw_decode   = 1;
+                raw_decode   = true;
                 break;
         case SAA7134_BOARD_ENCORE_ENLTV:
         case SAA7134_BOARD_ENCORE_ENLTV_FM:
@@ -693,7 +687,7 @@ int saa7134_input_init1(struct saa7134_dev *dev)
                 mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
                 mask_keyup   = 0x0040000;
                 mask_keycode = 0xffff;
-                raw_decode   = 1;
+                raw_decode   = true;
                 break;
         case SAA7134_BOARD_10MOONSTVMASTER3:
                 ir_codes     = RC_MAP_ENCORE_ENLTV;
@@ -746,8 +740,6 @@ int saa7134_input_init1(struct saa7134_dev *dev)
         ir->dev = rc;
         dev->remote = ir;
 
-        ir->running = false;
-
         /* init hardware-specific stuff */
         ir->mask_keycode = mask_keycode;
         ir->mask_keydown = mask_keydown;
@@ -809,14 +801,12 @@ void saa7134_input_fini(struct saa7134_dev *dev)
 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
 {
         struct i2c_board_info info;
-
         struct i2c_msg msg_msi = {
                 .addr = 0x50,
                 .flags = I2C_M_RD,
                 .len = 0,
                 .buf = NULL,
         };
-
         int rc;
 
         if (disable_ir) {
@@ -916,8 +906,8 @@ void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
 
 static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
 {
-        struct saa7134_card_ir  *ir = dev->remote;
-        unsigned long   timeout;
+        struct saa7134_card_ir *ir = dev->remote;
+        unsigned long timeout;
         int space;
 
         /* Generate initial event */
@@ -926,7 +916,6 @@ static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
         space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
         ir_raw_event_store_edge(dev->remote->dev, space ? IR_SPACE : IR_PULSE);
 
-
         /*
          * Wait 15 ms from the start of the first IR event before processing
          * the event. This time is enough for NEC protocol. May need adjustments
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index 1923f3ca0eab..f93951acec41 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -124,7 +124,7 @@ struct saa7134_card_ir {
 
         char                    name[32];
         char                    phys[32];
-        int                     users;
+        unsigned                users;
 
         u32                     polling;
         u32                     last_gpio;
@@ -551,7 +551,7 @@ struct saa7134_dev {
 
         /* infrared remote */
         int                        has_remote;
-        struct saa7134_card_ir             *remote;
+        struct saa7134_card_ir     *remote;
 
         /* pci i/o */
         char                       name[32];