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Message-ID: <20110503163224.24853.85936.stgit@bob.linux.org.uk> Date: Tue, 03 May 2011 17:32:25 +0100 From: Alan Cox <alan@...rguk.ukuu.org.uk> To: greg@...ah.com, linux-kernel@...r.kernel.org Subject: [PATCH 04/23] intel_sst: ignore IRQ when suspended From: Vinod Koul <vinod.koul@...el.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@...el.com> Signed-off-by: Ramesh Babu K V <ramesh.babu@...el.com> Signed-off-by: Alan Cox <alan@...ux.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); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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