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V4L/DVB (9612): Fix key repetition with HVR-950 IR 

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2008-11-12 18:46:01 -03:00
parent 91812fa74f
commit 0a6b8a851e
1 changed files with 17 additions and 4 deletions
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21
drivers/media/video/em28xx/em28xx-input.c
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@ -67,6 +67,7 @@ struct em28xx_IR {
u32 mask_keycode;
u32 mask_keydown;
u32 mask_keyup;
u32 mask_repeat;
int (*get_key)(struct em28xx_IR *);
};
@ -165,15 +166,17 @@ static int default_polling_getkey(struct em28xx_IR *ir)
{
struct em28xx *dev = ir->dev;
int rc;
u32 msg;
u8 msg[4] = { 0, 0, 0, 0 };
/* Read key toggle, brand, and key code */
/* Read key toggle, brand, and key code
on registers 0x45, 0x46 and 0x47
*/
rc = dev->em28xx_read_reg_req_len(dev, 0, EM28XX_R45_IR,
(u8 *)&msg, sizeof(msg));
msg, sizeof(msg));
if (rc < 0)
return rc;
return (int)(msg & 0x7fffffffl);
return (int)(le32_to_cpu(*(u32 *)msg));
}
/**********************************************************
@ -192,6 +195,7 @@ static void em28xx_ir_handle_key(struct em28xx_IR *ir)
if (gpio == ir->last_gpio)
return;
ir->last_gpio = gpio;
/* extract data */
@ -214,6 +218,14 @@ static void em28xx_ir_handle_key(struct em28xx_IR *ir)
ir_input_keydown(ir->input, &ir->ir, data, data);
else
ir_input_nokey(ir->input, &ir->ir);
} else if (ir->mask_repeat) {
int count = ir->mask_repeat & gpio;
/* Avoid keyboard bouncing */
if ((count == 1) || (count >= 5)) {
ir_input_keydown(ir->input, &ir->ir, data, data);
ir_input_nokey(ir->input, &ir->ir);
}
} else {
/* can't distinguish keydown/up :-/ */
ir_input_keydown(ir->input, &ir->ir, data, data);
@ -274,6 +286,7 @@ int em28xx_ir_init(struct em28xx *dev)
ir_type = IR_TYPE_OTHER;
ir_codes = ir_codes_hauppauge_new;
ir->mask_keycode = 0x007f0000;
ir->mask_repeat = 0x0000007f;
break;
}