diff options
| author | Sean Young <sean@mess.org> | 2012-10-25 00:22:41 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-11-21 23:05:18 +0400 |
| commit | c496e716e0a7e3c486b99edbab5a6db7649824b1 (patch) | |
| tree | efa290979247880c6298013cff2d8ce30863de2e /drivers/media/rc | |
| parent | e5eda7faea23c28836f17487962c6539fd3b3e27 (diff) | |
| download | linux-c496e716e0a7e3c486b99edbab5a6db7649824b1.tar.xz | |
[media] winbond-cir: increase IR receiver resolution
This is needed for carrier reporting.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/rc')
| -rw-r--r-- | drivers/media/rc/winbond-cir.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c index 16ba38e8183f..f040bbfd2100 100644 --- a/drivers/media/rc/winbond-cir.c +++ b/drivers/media/rc/winbond-cir.c @@ -358,7 +358,7 @@ wbcir_irq_rx(struct wbcir_data *data, struct pnp_dev *device) if (data->rxstate == WBCIR_RXSTATE_ERROR) continue; rawir.pulse = irdata & 0x80 ? false : true; - rawir.duration = US_TO_NS(((irdata & 0x7F) + 1) * 10); + rawir.duration = US_TO_NS(((irdata & 0x7F) + 1) * 2); ir_raw_event_store_with_filter(data->dev, &rawir); } @@ -862,8 +862,8 @@ wbcir_init_hw(struct wbcir_data *data) /* prescaler 1.0, tx/rx fifo lvl 16 */ outb(0x30, data->sbase + WBCIR_REG_SP3_EXCR2); - /* Set baud divisor to sample every 10 us */ - outb(0x0F, data->sbase + WBCIR_REG_SP3_BGDL); + /* Set baud divisor to sample every 2 ns */ + outb(0x03, data->sbase + WBCIR_REG_SP3_BGDL); outb(0x00, data->sbase + WBCIR_REG_SP3_BGDH); /* Set CEIR mode */ @@ -872,9 +872,12 @@ wbcir_init_hw(struct wbcir_data *data) inb(data->sbase + WBCIR_REG_SP3_LSR); /* Clear LSR */ inb(data->sbase + WBCIR_REG_SP3_MSR); /* Clear MSR */ - /* Disable RX demod, enable run-length enc/dec, set freq span */ + /* + * Disable RX demod, enable run-length enc/dec, set freq span and + * enable over-sampling + */ wbcir_select_bank(data, WBCIR_BANK_7); - outb(0x90, data->sbase + WBCIR_REG_SP3_RCCFG); + outb(0xd0, data->sbase + WBCIR_REG_SP3_RCCFG); /* Disable timer */ wbcir_select_bank(data, WBCIR_BANK_4); @@ -1017,6 +1020,7 @@ wbcir_probe(struct pnp_dev *device, const struct pnp_device_id *dev_id) data->dev->priv = data; data->dev->dev.parent = &device->dev; data->dev->timeout = MS_TO_NS(100); + data->dev->rx_resolution = US_TO_NS(2); data->dev->allowed_protos = RC_BIT_ALL; if (!request_region(data->wbase, WAKEUP_IOMEM_LEN, DRVNAME)) { |