From c3e25a24b55d206dfa261fb2c7bb29b09f7bcf9b Mon Sep 17 00:00:00 2001 From: Vinod Koul Date: Tue, 3 May 2011 17:32:25 +0100 Subject: [PATCH] intel_sst: ignore IRQ when suspended The irq for audio is shared, so when device is supended driver should not the read register and ignore the interrupt. This patch ignores interrupts when device is suspended. Signed-off-by: Vinod Koul Signed-off-by: Ramesh Babu K V Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/staging/intel_sst/intel_sst.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/staging/intel_sst/intel_sst.c b/drivers/staging/intel_sst/intel_sst.c index c40e00a12d7c..e7c2617c0b2d 100644 --- a/drivers/staging/intel_sst/intel_sst.c +++ b/drivers/staging/intel_sst/intel_sst.c @@ -107,6 +107,9 @@ static irqreturn_t intel_sst_interrupt(int irq, void *context) unsigned int size = 0, str_id; struct stream_info *stream ; + /* Do not handle interrupt in suspended state */ + if (drv->sst_state == SST_SUSPENDED) + return IRQ_NONE; /* Interrupt arrived, check src */ isr.full = sst_shim_read(drv->shim, SST_ISRX); -- 2.39.2