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[media] winbond-cir: increase IR receiver resolution

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This is needed for carrier reporting.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sean Young 2012-10-24 17:22:41 -03:00 committed by Mauro Carvalho Chehab
parent e5eda7faea
commit c496e716e0
1 changed files with 9 additions and 5 deletions
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14
drivers/media/rc/winbond-cir.c
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@ -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)) {