summaryrefslogtreecommitdiff
path: root/drivers/media/rc/ite-cir.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/rc/ite-cir.c')
-rw-r--r--drivers/media/rc/ite-cir.c60
1 files changed, 25 insertions, 35 deletions
diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
index 43908a70bd8b..e716b931cf7e 100644
--- a/drivers/media/rc/ite-cir.c
+++ b/drivers/media/rc/ite-cir.c
@@ -1250,11 +1250,9 @@ static void it8709_disable(struct ite_dev *dev)
ite_dbg("%s called", __func__);
/* clear out all interrupt enable flags */
- it8709_wr(dev,
- it8709_rr(dev,
- IT85_C0IER) & ~(IT85_IEC | IT85_RFOIE |
- IT85_RDAIE |
- IT85_TLDLIE), IT85_C0IER);
+ it8709_wr(dev, it8709_rr(dev, IT85_C0IER) &
+ ~(IT85_IEC | IT85_RFOIE | IT85_RDAIE | IT85_TLDLIE),
+ IT85_C0IER);
/* disable the receiver */
it8709_disable_rx(dev);
@@ -1270,11 +1268,9 @@ static void it8709_init_hardware(struct ite_dev *dev)
ite_dbg("%s called", __func__);
/* disable all the interrupts */
- it8709_wr(dev,
- it8709_rr(dev,
- IT85_C0IER) & ~(IT85_IEC | IT85_RFOIE |
- IT85_RDAIE |
- IT85_TLDLIE), IT85_C0IER);
+ it8709_wr(dev, it8709_rr(dev, IT85_C0IER) &
+ ~(IT85_IEC | IT85_RFOIE | IT85_RDAIE | IT85_TLDLIE),
+ IT85_C0IER);
/* program the baud rate divisor */
it8709_wr(dev, ITE_BAUDRATE_DIVISOR & 0xff, IT85_C0BDLR);
@@ -1282,28 +1278,22 @@ static void it8709_init_hardware(struct ite_dev *dev)
IT85_C0BDHR);
/* program the C0MSTCR register defaults */
- it8709_wr(dev, (it8709_rr(dev, IT85_C0MSTCR) & ~(IT85_ILSEL |
- IT85_ILE
- | IT85_FIFOTL
- |
- IT85_FIFOCLR
- |
- IT85_RESET))
- | IT85_FIFOTL_DEFAULT, IT85_C0MSTCR);
+ it8709_wr(dev, (it8709_rr(dev, IT85_C0MSTCR) &
+ ~(IT85_ILSEL | IT85_ILE | IT85_FIFOTL
+ | IT85_FIFOCLR | IT85_RESET)) | IT85_FIFOTL_DEFAULT,
+ IT85_C0MSTCR);
/* program the C0RCR register defaults */
- it8709_wr(dev,
- (it8709_rr(dev, IT85_C0RCR) &
- ~(IT85_RXEN | IT85_RDWOS | IT85_RXEND
- | IT85_RXACT | IT85_RXDCR)) |
- ITE_RXDCR_DEFAULT, IT85_C0RCR);
+ it8709_wr(dev, (it8709_rr(dev, IT85_C0RCR) &
+ ~(IT85_RXEN | IT85_RDWOS | IT85_RXEND | IT85_RXACT
+ | IT85_RXDCR)) | ITE_RXDCR_DEFAULT,
+ IT85_C0RCR);
/* program the C0TCR register defaults */
- it8709_wr(dev, (it8709_rr(dev, IT85_C0TCR)
- &~(IT85_TXMPM | IT85_TXMPW))
- |IT85_TXRLE | IT85_TXENDF |
- IT85_TXMPM_DEFAULT |
- IT85_TXMPW_DEFAULT, IT85_C0TCR);
+ it8709_wr(dev, (it8709_rr(dev, IT85_C0TCR) & ~(IT85_TXMPM | IT85_TXMPW))
+ | IT85_TXRLE | IT85_TXENDF | IT85_TXMPM_DEFAULT
+ | IT85_TXMPW_DEFAULT,
+ IT85_C0TCR);
/* program the carrier parameters */
ite_set_carrier_params(dev);
@@ -1660,6 +1650,9 @@ static int ite_suspend(struct pnp_dev *pdev, pm_message_t state)
ite_dbg("%s called", __func__);
+ /* wait for any transmission to end */
+ wait_event_interruptible(dev->tx_ended, !dev->transmitting);
+
spin_lock_irqsave(&dev->lock, flags);
/* disable all interrupts */
@@ -1680,13 +1673,10 @@ static int ite_resume(struct pnp_dev *pdev)
spin_lock_irqsave(&dev->lock, flags);
- if (dev->transmitting) {
- /* wake up the transmitter */
- wake_up_interruptible(&dev->tx_queue);
- } else {
- /* enable the receiver */
- dev->params.enable_rx(dev);
- }
+ /* reinitialize hardware config registers */
+ dev->params.init_hardware(dev);
+ /* enable the receiver */
+ dev->params.enable_rx(dev);
spin_unlock_irqrestore(&dev->lock, flags);