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Commit c496e716 authored by Sean Young's avatar Sean Young Committed by Mauro Carvalho Chehab
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[media] winbond-cir: increase IR receiver resolution 



This is needed for carrier reporting.

Signed-off-by: default avatarSean Young <sean@mess.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent e5eda7fa

drivers/media/rc/winbond-cir.c

+9 −5
Original line number Diff line number Diff line
@@ -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)) {