As an example, this patch adds support for the new RCIOCGIRRX ioctl
to rc-loopback.
Signed-off-by: David Härdeman <david@xxxxxxxxxxx>
---
drivers/media/rc/rc-loopback.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c
index 2ae1b5a..ba36fbe 100644
--- a/drivers/media/rc/rc-loopback.c
+++ b/drivers/media/rc/rc-loopback.c
@@ -204,6 +204,31 @@ static int loop_set_ir_rx(struct rc_dev *dev, struct rc_ir_rx *rx)
return 0;
}
+/**
+ * loop_get_ir_tx() - returns the current TX settings
+ * @dev: the &struct rc_dev to get the settings for
+ * @tx: the &struct rc_ir_tx to fill in with the current settings
+ *
+ * This function is used to return the current TX settings.
+ */
+static void loop_get_ir_tx(struct rc_dev *dev, struct rc_ir_tx *tx)
+{
+ struct loopback_dev *lodev = dev->priv;
+
+ tx->tx_supported = RXMASK_REGULAR | RXMASK_LEARNING;
+ tx->tx_connected = RXMASK_REGULAR | RXMASK_LEARNING;
+ tx->tx_enabled = lodev->txmask;
+ tx->freq = lodev->txcarrier;
+ tx->freq_min = 1;
+ tx->freq_max = UINT_MAX;
+ tx->duty = lodev->txduty;
+ tx->duty_min = 1;
+ tx->duty_max = 99;
+ tx->resolution = 1;
+ tx->resolution_min = 1;
+ tx->resolution_max = 1;
+}
+
static int __init loop_init(void)
{
struct rc_dev *rc;
@@ -236,6 +261,7 @@ static int __init loop_init(void)
rc->s_idle = loop_set_idle;
rc->get_ir_rx = loop_get_ir_rx;
rc->set_ir_rx = loop_set_ir_rx;
+ rc->get_ir_tx = loop_get_ir_tx;
loopdev.txmask = RXMASK_REGULAR;
loopdev.txcarrier = 36000;
--
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