Messages in this thread Patch in this message | | | From | Alan Cox <> | Subject | [PATCH 04/23] intel_sst: ignore IRQ when suspended | Date | Tue, 03 May 2011 17:32:25 +0100 |
| |
From: Vinod Koul <vinod.koul@intel.com>
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 <vinod.koul@intel.com> Signed-off-by: Ramesh Babu K V <ramesh.babu@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> ---
drivers/staging/intel_sst/intel_sst.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/intel_sst/intel_sst.c b/drivers/staging/intel_sst/intel_sst.c index c40e00a..e7c2617 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);
| |