Signed-off-by: Sean Young <s...@mess.org>
---
drivers/media/rc/ir-lirc-codec.c | 5 ++++-
drivers/media/rc/redrat3.c | 34 ++++++++++++++++++++++++++++++++++
include/media/rc-core.h | 3 +++
3 files changed, 41 insertions(+), 1 deletion(-)
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c
index 5effc65..c327730 100644
--- a/drivers/media/rc/ir-lirc-codec.c
+++ b/drivers/media/rc/ir-lirc-codec.c
@@ -292,7 +292,10 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int
cmd,
tmp > dev->max_timeout)
return -EINVAL;
- dev->timeout = tmp;
+ if (dev->s_timeout)
+ ret = dev->s_timeout(dev, tmp);
+ if (!ret)
+ dev->timeout = tmp;
break;
case LIRC_SET_REC_TIMEOUT_REPORTS:
diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c
index 1e65f7a..399f44d 100644
--- a/drivers/media/rc/redrat3.c
+++ b/drivers/media/rc/redrat3.c
@@ -475,6 +475,37 @@ static u32 redrat3_get_timeout(struct redrat3_dev *rr3)
return timeout;
}
+static int redrat3_set_timeout(struct rc_dev *rc_dev, unsigned int timeoutns)
+{
+ struct redrat3_dev *rr3 = rc_dev->priv;
+ struct usb_device *udev = rr3->udev;
+ struct device *dev = rr3->dev;
+ u32 *timeout;
+ int ret;
+
+ timeout = kmalloc(sizeof(*timeout), GFP_KERNEL);
+ if (!timeout)
+ return -ENOMEM;
+
+ *timeout = cpu_to_be32(redrat3_us_to_len(timeoutns / 1000));
+ ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RR3_SET_IR_PARAM,
+ USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
+ RR3_IR_IO_SIG_TIMEOUT, 0, timeout, sizeof(*timeout),
+ HZ * 25);
+ dev_dbg(dev, "set ir parm timeout %d ret 0x%02x\n",
+ be32_to_cpu(*timeout), ret);
+
+ if (ret == sizeof(*timeout)) {
+ rr3->hw_timeout = timeoutns / 1000;
+ ret = 0;
+ } else if (ret >= 0)
+ ret = -EIO;
+
+ kfree(timeout);
+
+ return ret;
+}
+
static void redrat3_reset(struct redrat3_dev *rr3)
{
struct usb_device *udev = rr3->udev;
@@ -856,7 +887,10 @@ static struct rc_dev *redrat3_init_rc_dev(struct
redrat3_dev *rr3)
rc->priv = rr3;
rc->driver_type = RC_DRIVER_IR_RAW;
rc->allowed_protocols = RC_BIT_ALL;
+ rc->min_timeout = MS_TO_NS(RR3_RX_MIN_TIMEOUT);
+ rc->max_timeout = MS_TO_NS(RR3_RX_MAX_TIMEOUT);
rc->timeout = US_TO_NS(rr3->hw_timeout);
+ rc->s_timeout = redrat3_set_timeout;
rc->tx_ir = redrat3_transmit_ir;
rc->s_tx_carrier = redrat3_set_tx_carrier;
rc->driver_name = DRIVER_NAME;
diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index 0f77b3d..b69d946 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -119,6 +119,7 @@ enum rc_filter_type {
* @s_carrier_report: enable carrier reports
* @s_filter: set the scancode filter
* @s_wakeup_filter: set the wakeup scancode filter
+ * @s_timeout: set hardware timeout in ns
*/
struct rc_dev {
struct device dev;
@@ -174,6 +175,8 @@ struct rc_dev {
struct rc_scancode_filter
*filter);
int (*s_wakeup_filter)(struct rc_dev *dev,
struct
rc_scancode_filter *filter);
+ int (*s_timeout)(struct rc_dev *dev,
+ unsigned int timeout);
};
#define to_rc_dev(d) container_of(d, struct rc_dev, dev)
--
2.7.4
--
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