Commit c3e25a24 authored May 03, 2011 by Vinod Koul Committed by Greg Kroah-Hartman May 10, 2011

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 <vinod.koul@intel.com>
Signed-off-by: Ramesh Babu K V <ramesh.babu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent 1bea302c

drivers/staging/intel_sst/intel_sst.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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);