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Fri, 15 Oct 2010 08:08:24 -0700 (PDT) From: Maxim Levitsky To: lirc-list@lists.sourceforge.net Cc: Jarod Wilson , =?UTF-8?q?David=20H=C3=A4rdeman?= , mchehab@infradead.org, linux-input@vger.kernel.org, linux-media@vger.kernel.org, Maxim Levitsky Subject: [PATCH 6/7] IR: ene_ir: add support for carrier reports Date: Fri, 15 Oct 2010 17:07:52 +0200 Message-Id: <1287155273-16171-7-git-send-email-maximlevitsky@gmail.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1287155273-16171-1-git-send-email-maximlevitsky@gmail.com> References: <1287155273-16171-1-git-send-email-maximlevitsky@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Sender: Signed-off-by: Maxim Levitsky --- drivers/media/IR/ene_ir.c | 37 +++++++++++++++++++++++++++++-------- 1 files changed, 29 insertions(+), 8 deletions(-) diff --git a/drivers/media/IR/ene_ir.c b/drivers/media/IR/ene_ir.c index 8639621..1962652 100644 --- a/drivers/media/IR/ene_ir.c +++ b/drivers/media/IR/ene_ir.c @@ -193,10 +193,11 @@ static int ene_hw_detect(struct ene_device *dev) /* Sense current received carrier */ void ene_rx_sense_carrier(struct ene_device *dev) { + DEFINE_IR_RAW_EVENT(ev); + + int carrier, duty_cycle; int period = ene_read_reg(dev, ENE_CIRCAR_PRD); int hperiod = ene_read_reg(dev, ENE_CIRCAR_HPRD); - int carrier, duty_cycle; - if (!(period & ENE_CIRCAR_PRD_VALID)) return; @@ -209,13 +210,16 @@ void ene_rx_sense_carrier(struct ene_device *dev) dbg("RX: hardware carrier period = %02x", period); dbg("RX: hardware carrier pulse period = %02x", hperiod); - carrier = 2000000 / period; duty_cycle = (hperiod * 100) / period; dbg("RX: sensed carrier = %d Hz, duty cycle %d%%", - carrier, duty_cycle); - - /* TODO: Send carrier & duty cycle to IR layer */ + carrier, duty_cycle); + if (dev->carrier_detect_enabled) { + ev.carrier_report = true; + ev.carrier = carrier; + ev.duty_cycle = duty_cycle; + ir_raw_event_store(dev->idev, &ev); + } } /* this enables/disables the CIR RX engine */ @@ -724,7 +728,7 @@ static irqreturn_t ene_isr(int irq, void *data) dbg_verbose("RX interrupt"); - if (dev->carrier_detect_enabled || debug) + if (dev->hw_learning_and_tx_capable) ene_rx_sense_carrier(dev); /* On hardware that don't support extra buffer we need to trust @@ -897,6 +901,23 @@ static int ene_set_learning_mode(void *data, int enable) return 0; } +static int ene_set_carrier_report(void *data, int enable) +{ + struct ene_device *dev = (struct ene_device *)data; + unsigned long flags; + + if (enable == dev->carrier_detect_enabled) + return 0; + + spin_lock_irqsave(&dev->hw_lock, flags); + dev->carrier_detect_enabled = enable; + ene_rx_disable(dev); + ene_rx_setup(dev); + ene_rx_enable(dev); + spin_unlock_irqrestore(&dev->hw_lock, flags); + return 0; +} + /* outside interface: enable or disable idle mode */ static void ene_rx_set_idle(void *data, bool idle) { @@ -1029,7 +1050,7 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id) ir_props->s_tx_mask = ene_set_tx_mask; ir_props->s_tx_carrier = ene_set_tx_carrier; ir_props->s_tx_duty_cycle = ene_set_tx_duty_cycle; - /* ir_props->s_carrier_report = ene_set_carrier_report; */ + ir_props->s_carrier_report = ene_set_carrier_report; } ene_setup_hw_buffer(dev);