diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/cx88/cx88-input.c | 30 | ||||
| -rw-r--r-- | drivers/media/video/ir-kbd-i2c.c | 22 |
2 files changed, 48 insertions, 4 deletions
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c index 097081e..13bc5d1 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); diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c index a30254b..703195a 100644 --- a/drivers/media/video/ir-kbd-i2c.c +++ b/drivers/media/video/ir-kbd-i2c.c @@ -65,7 +65,7 @@ static int get_key_haup_common(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, int size, int offset) { unsigned char buf[6]; - int start, range, toggle, dev, code; + int start, range, toggle, dev, code, ircode; /* poll IR chip */ if (size != i2c_master_recv(&ir->c,buf,size)) @@ -85,6 +85,24 @@ static int get_key_haup_common(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, if (!start) /* no key pressed */ return 0; + /* + * 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 causing + * mis-fired events. + * + * We also filter out invalid key presses which + * produce annoying debug log entries. + */ + ircode= (start << 12) | (toggle << 11) | (dev << 6) | code; + if ((ircode & 0x1fff)==0x1fff) + /* invalid key press */ + return 0; + + if (dev!=0x1e && dev!=0x1f) + /* not a hauppauge remote */ + return 0; if (!range) code += 64; @@ -94,7 +112,7 @@ static int get_key_haup_common(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, /* return key */ *ir_key = code; - *ir_raw = (start << 12) | (toggle << 11) | (dev << 6) | code; + *ir_raw = ircode; return 1; } |
