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Commit a06423c9 authored by Maxim Levitsky's avatar Maxim Levitsky Committed by Mauro Carvalho Chehab
Browse files

[media] IR: ene_ir: few bugfixes 



This is a result of last round of debug with
Sami R <maesesami@gmail.com>.

Thank you Sami very much!

The biggest bug I fixed is that,
I was clobbering the CIRCFG register after it is setup
That wasn't a good idea really

And some small refactoring, etc.

Tested-by: default avatarSami R <maesesami@gmail.com>
Signed-off-by: default avatarMaxim Levitsky <maximlevitsky@gmail.com>
Acked-by: default avatarJarod Wilson <jarod@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 2a484894

drivers/media/IR/ene_ir.c

+20 −23
Original line number Diff line number Diff line
@@ -156,11 +156,12 @@ static int ene_hw_detect(struct ene_device *dev) 


	ene_notice("Firmware regs: %02x %02x", fw_reg1, fw_reg2);



	dev->hw_use_gpio_0a = fw_reg2 & ENE_FW2_GP0A;

	dev->hw_learning_and_tx_capable = fw_reg2 & ENE_FW2_LEARNING;

	dev->hw_extra_buffer = fw_reg1 & ENE_FW1_HAS_EXTRA_BUF;

	dev->hw_fan_input = dev->hw_learning_and_tx_capable &&

	    (fw_reg2 & ENE_FW2_FAN_INPUT);

	dev->hw_use_gpio_0a = !!(fw_reg2 & ENE_FW2_GP0A);

	dev->hw_learning_and_tx_capable = !!(fw_reg2 & ENE_FW2_LEARNING);

	dev->hw_extra_buffer = !!(fw_reg1 & ENE_FW1_HAS_EXTRA_BUF);



	if (dev->hw_learning_and_tx_capable)

		dev->hw_fan_input = !!(fw_reg2 & ENE_FW2_FAN_INPUT);



	ene_notice("Hardware features:");
@@ -255,6 +256,8 @@ static void ene_rx_setup(struct ene_device *dev) 
					dev->carrier_detect_enabled;

	int sample_period_adjust = 0;



	/* This selects RLC input and clears CFG2 settings */

	ene_write_reg(dev, ENE_CIRCFG2, 0x00);



	/* set sample period*/

	if (sample_period == ENE_DEFAULT_SAMPLE_PERIOD)
@@ -268,7 +271,9 @@ static void ene_rx_setup(struct ene_device *dev) 
	if (dev->hw_revision < ENE_HW_C)

		goto select_timeout;



	if (learning_mode && dev->hw_learning_and_tx_capable) {

	if (learning_mode) {



		WARN_ON(!dev->hw_learning_and_tx_capable);



		/* Enable the opposite of the normal input

		That means that if GPIO40 is normally used, use GPIO0A
@@ -282,6 +287,7 @@ static void ene_rx_setup(struct ene_device *dev) 
		ene_set_reg_mask(dev, ENE_CIRCFG, ENE_CIRCFG_CARR_DEMOD);



		/* Enable carrier detection */

		ene_write_reg(dev, ENE_CIRCAR_PULS, 0x63);

		ene_set_clear_reg_mask(dev, ENE_CIRCFG2, ENE_CIRCFG2_CARR_DETECT,

			dev->carrier_detect_enabled || debug);

	} else {
@@ -343,19 +349,9 @@ static void ene_rx_enable(struct ene_device *dev) 
		ene_write_reg(dev, ENE_IRQ, reg_value);

	}



	if (dev->hw_revision >= ENE_HW_C)

		ene_write_reg(dev, ENE_CIRCAR_PULS, 0x63);



	/* Enable the inputs */

	ene_write_reg(dev, ENE_CIRCFG2, 0x00);



	if (dev->rx_fan_input_inuse) {

		ene_enable_cir_engine(dev, false);

		ene_enable_fan_input(dev, true);

	} else {

		ene_enable_cir_engine(dev, true);

		ene_enable_fan_input(dev, false);

	}

	/* Enable inputs */

	ene_enable_fan_input(dev, dev->rx_fan_input_inuse);

	ene_enable_cir_engine(dev, !dev->rx_fan_input_inuse);



	/* ack any pending irqs - just in case */

	ene_irq_status(dev);
@@ -793,12 +789,10 @@ static void ene_setup_settings(struct ene_device *dev) 
	dev->tx_period = 32;

	dev->tx_duty_cycle = 50; /*%*/

	dev->transmitter_mask = 0x03;



	dev->learning_enabled =

		(learning_mode && dev->hw_learning_and_tx_capable);

	dev->learning_enabled = learning_mode;



	/* Set reasonable default timeout */

	dev->props->timeout = MS_TO_NS(15000);

	dev->props->timeout = MS_TO_NS(150000);

}



/* outside interface: called on first open*/
@@ -1015,6 +1009,9 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id) 
		ene_warn("Simulation of TX activated");

	}



	if (!dev->hw_learning_and_tx_capable)

		learning_mode = false;



	ir_props->driver_type = RC_DRIVER_IR_RAW;

	ir_props->allowed_protos = IR_TYPE_ALL;

	ir_props->priv = dev;