From c812045488afbe3830843fc6686ae84bfc928a5f Mon Sep 17 00:00:00 2001 From: Jarod Wilson Date: Mon, 9 May 2011 16:53:17 -0300 Subject: [PATCH] [media] ite-cir: finish tx before suspending MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Continuing with IR transmit after resuming from suspend seems fairly useless, given that the only place we can actually end up suspending is after IR has been send and we're simply mdelay'ing. Lets simplify the resume path by just waiting on tx to complete in the suspend path, then we know we can't be transmitting on resume, and reinitialization of the hardware registers becomes more straight-forward. CC: Juan Jesús García de Soria Signed-off-by: Jarod Wilson Signed-off-by: Mauro Carvalho Chehab --- drivers/media/rc/ite-cir.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c index d1dec5c25324..e716b931cf7e 100644 --- a/drivers/media/rc/ite-cir.c +++ b/drivers/media/rc/ite-cir.c @@ -1650,6 +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 */ @@ -1670,15 +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 { - /* reinitialize hardware config registers */ - dev->params.init_hardware(dev); - /* 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); -- 2.20.1