V4L/DVB (6379): patch which improves GotView Saa7135 remote control

improve GoTView PCI7135 remote control working under linux.

Acked-by: Hermann Pitton <hermann-pitton@arcor.de>
Acked-by: Nickolay V. Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Eugene M. Roginskii <roginovicci@nm.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 22 insertions, 3 deletions

diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c
index d4907ce4e51..3abaa1b8ac9 100644
--- a/drivers/media/video/saa7134/saa7134-input.c
+++ b/drivers/media/video/saa7134/saa7134-input.c
@@ -44,6 +44,14 @@ module_param(ir_rc5_remote_gap, int, 0644);
 static int ir_rc5_key_timeout = 115;
 module_param(ir_rc5_key_timeout, int, 0644);
 
+static int repeat_delay = 500;
+module_param(repeat_delay, int, 0644);
+MODULE_PARM_DESC(repeat_delay, "delay before key repeat started");
+static int repeat_period = 33;
+module_param(repeat_period, int, 0644);
+MODULE_PARM_DESC(repeat_period, "repeat period between"
+    "keypresses when key is down");
+
 #define dprintk(fmt, arg...)    if (ir_debug) \
         printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
 #define i2cdprintk(fmt, arg...)    if (ir_debug) \
@@ -59,6 +67,13 @@ static int build_key(struct saa7134_dev *dev)
         struct card_ir *ir = dev->remote;
         u32 gpio, data;
 
+        /* here comes the additional handshake steps for some cards */
+        switch (dev->board) {
+        case SAA7134_BOARD_GOTVIEW_7135:
+                saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
+                saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
+                break;
+        }
         /* rising SAA7134_GPIO_GPRESCAN reads the status */
         saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
         saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
@@ -285,10 +300,10 @@ int saa7134_input_init1(struct saa7134_dev *dev)
                 break;
         case SAA7134_BOARD_GOTVIEW_7135:
                 ir_codes     = ir_codes_gotview7135;
-                mask_keycode = 0x0003EC;
-                mask_keyup   = 0x008000;
+                mask_keycode = 0x0003CC;
                 mask_keydown = 0x000010;
-                polling      = 50; // ms
+                polling      = 5; /* ms */
+                saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
                 break;
         case SAA7134_BOARD_VIDEOMATE_TV_PVR:
         case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
@@ -386,6 +401,10 @@ int saa7134_input_init1(struct saa7134_dev *dev)
         if (err)
                 goto err_out_stop;
 
+        /* the remote isn't as bouncy as a keyboard */
+        ir->dev->rep[REP_DELAY] = repeat_delay;
+        ir->dev->rep[REP_PERIOD] = repeat_period;
+
         return 0;
 
  err_out_stop: