diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-input.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-input.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c index 78a63b7dd380..4bd86c4fd1b2 100644 --- a/drivers/media/video/cx88/cx88-input.c +++ b/drivers/media/video/cx88/cx88-input.c @@ -70,14 +70,33 @@ MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); static void cx88_ir_handle_key(struct cx88_IR *ir) { struct cx88_core *core = ir->core; - u32 gpio, data; + u32 gpio, data, auxgpio; /* read gpio value */ gpio = cx_read(ir->gpio_addr); + if (core->board == CX88_BOARD_NPGTECH_REALTV) { + /* This board apparently uses a combination of 2 GPIO + to represent the keys. Additionally, the second GPIO + can be used for parity. + + Example: + + for key "5" + gpio = 0x758, auxgpio = 0xe5 or 0xf5 + for key "Power" + gpio = 0x758, auxgpio = 0xed or 0xfd + */ + + auxgpio = cx_read(MO_GP1_IO); + /* Take out the parity part */ + gpio+=(auxgpio & 0xef); + } else + auxgpio = gpio; + if (ir->polling) { - if (ir->last_gpio == gpio) + if (ir->last_gpio == auxgpio) return; - ir->last_gpio = gpio; + ir->last_gpio = auxgpio; } /* extract data */ @@ -228,6 +247,12 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) ir_type = IR_TYPE_PD; ir->sampling = 0xff00; /* address */ break; + case CX88_BOARD_NPGTECH_REALTV: + ir_codes = ir_codes_npgtech; + ir->gpio_addr = MO_GP0_IO; + ir->mask_keycode = 0xfa; + ir->polling = 50; /* ms */ + break; } if (NULL == ir_codes) { |
