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[ARM] 4138/1: AACI: multiple channel support for IRQ handling 

Add AACI channel support to interrupt handler.
Also, clear underrun interrupt for correct channel.

Signed-off-by: Kevin Hilman <khilman@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
hifive-unleashed-5.1
Kevin Hilman 2007-02-07 05:41:37 +01:00 committed by Russell King
parent f69eda00d4
commit 62578cbfaa
1 changed files with 4 additions and 3 deletions
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7
sound/arm/aaci.c
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@ -164,10 +164,11 @@ static inline void aaci_chan_wait_ready(struct aaci_runtime *aacirun)
/*
* Interrupt support.
*/
static void aaci_fifo_irq(struct aaci *aaci, u32 mask)
static void aaci_fifo_irq(struct aaci *aaci, int channel, u32 mask)
{
if (mask & ISR_URINTR) {
writel(ICLR_TXUEC1, aaci->base + AACI_INTCLR);
dev_dbg(&aaci->dev->dev, "TX underrun on chan %d\n", channel);
writel(ICLR_TXUEC1 << channel, aaci->base + AACI_INTCLR);
}
if (mask & ISR_TXINTR) {
@ -233,7 +234,7 @@ static irqreturn_t aaci_irq(int irq, void *devid)
u32 m = mask;
for (i = 0; i < 4; i++, m >>= 7) {
if (m & 0x7f) {
aaci_fifo_irq(aaci, m);
aaci_fifo_irq(aaci, i, m);
}
}
}