The ir_toy allows the transmit frequency to be specified. Signed-off-by: Sean Young <sean@xxxxxxxx> --- drivers/media/rc/ir_toy.c | 34 +++++++++++++++++++++++++++++----- 1 file changed, 29 insertions(+), 5 deletions(-) diff --git a/drivers/media/rc/ir_toy.c b/drivers/media/rc/ir_toy.c index 3e729a17b35ff..3908d4dcee34c 100644 --- a/drivers/media/rc/ir_toy.c +++ b/drivers/media/rc/ir_toy.c @@ -4,7 +4,9 @@ * Infrared Toy and IR Droid RC core driver * * Copyright (C) 2020 Sean Young <sean@xxxxxxxx> - + * + * http://dangerousprototypes.com/docs/USB_IR_Toy:_Sampling_mode + * * This driver is based on the lirc driver which can be found here: * https://sourceforge.net/p/lirc/git/ci/master/tree/plugins/irtoy.c * Copyright (C) 2011 Peter Kooiman <pkooiman@xxxxxxxxx> @@ -45,7 +47,7 @@ static const u8 COMMAND_TXSTART[] = { 0x26, 0x24, 0x25, 0x03 }; enum state { STATE_IRDATA, - STATE_RESET, + STATE_COMMAND_NO_RESP, STATE_COMMAND, STATE_TX, }; @@ -192,7 +194,7 @@ static void irtoy_response(struct irtoy *irtoy, u32 len) irtoy->tx_len -= buf_len; } break; - case STATE_RESET: + case STATE_COMMAND_NO_RESP: dev_err(irtoy->dev, "unexpected response to reset: %*phN\n", len, irtoy->in); } @@ -203,7 +205,7 @@ static void irtoy_out_callback(struct urb *urb) struct irtoy *irtoy = urb->context; if (urb->status == 0) { - if (irtoy->state == STATE_RESET) + if (irtoy->state == STATE_COMMAND_NO_RESP) complete(&irtoy->command_done); } else { dev_warn(irtoy->dev, "out urb status: %d\n", urb->status); @@ -255,7 +257,7 @@ static int irtoy_setup(struct irtoy *irtoy) int err; err = irtoy_command(irtoy, COMMAND_RESET, sizeof(COMMAND_RESET), - STATE_RESET); + STATE_COMMAND_NO_RESP); if (err != 0) { dev_err(irtoy->dev, "could not write reset command: %d\n", err); @@ -338,6 +340,27 @@ static int irtoy_tx(struct rc_dev *rc, uint *txbuf, uint count) return count; } +static int irtoy_tx_carrier(struct rc_dev *rc, uint32_t carrier) +{ + struct irtoy *irtoy = rc->priv; + u8 buf[3]; + int err; + + if (carrier == 0) + return -EINVAL; + + buf[0] = 0x06; + buf[1] = DIV_ROUND_CLOSEST(48000000, 16 * carrier) - 1; + buf[2] = 0; + + err = irtoy_command(irtoy, buf, sizeof(buf), STATE_COMMAND_NO_RESP); + if (err) + dev_err(irtoy->dev, "could not write carrier command: %d\n", + err); + + return err; +} + static int irtoy_probe(struct usb_interface *intf, const struct usb_device_id *id) { @@ -436,6 +459,7 @@ static int irtoy_probe(struct usb_interface *intf, rc->dev.parent = &intf->dev; rc->priv = irtoy; rc->tx_ir = irtoy_tx; + rc->s_tx_carrier = irtoy_tx_carrier; rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER; rc->map_name = RC_MAP_RC6_MCE; rc->rx_resolution = UNIT_US; -- 2.31.1
