diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-input.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-input.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c index 097081eb505..13bc5d16076 100644 --- a/drivers/media/video/cx88/cx88-input.c +++ b/drivers/media/video/cx88/cx88-input.c @@ -394,7 +394,7 @@ void cx88_ir_irq(struct cx88_core *core) { struct cx88_IR *ir = core->ir; u32 samples, ircode; - int i; + int i, start, range, toggle, dev, code; if (NULL == ir) return; @@ -463,11 +463,37 @@ void cx88_ir_irq(struct cx88_core *core) case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: case CX88_BOARD_HAUPPAUGE_HVR1100: case CX88_BOARD_HAUPPAUGE_HVR3000: - case CX88_BOARD_PINNACLE_PCTV_HD_800i: case CX88_BOARD_HAUPPAUGE_HVR4000: case CX88_BOARD_HAUPPAUGE_HVR4000LITE: ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7); ir_dprintk("biphase decoded: %x\n", ircode); + /* + * RC5 has an extension bit which adds a new range + * of available codes, this is detected here. Also + * hauppauge remotes (black/silver) always use + * specific device ids. If we do not filter the + * device ids then messages destined for devices + * such as TVs (id=0) will get through to the + * device causing mis-fired events. + */ + /* split rc5 data block ... */ + start = (ircode & 0x2000) >> 13; + range = (ircode & 0x1000) >> 12; + toggle= (ircode & 0x0800) >> 11; + dev = (ircode & 0x07c0) >> 6; + code = (ircode & 0x003f) | ((range << 6) ^ 0x0040); + if( start != 1) + /* no key pressed */ + break; + if ( dev != 0x1e && dev != 0x1f ) + /* not a hauppauge remote */ + break; + ir_input_keydown(ir->input, &ir->ir, code, ircode); + ir->release = jiffies + msecs_to_jiffies(120); + break; + case CX88_BOARD_PINNACLE_PCTV_HD_800i: + ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7); + ir_dprintk("biphase decoded: %x\n", ircode); if ((ircode & 0xfffff000) != 0x3000) break; ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f, ircode); |