diff options
| author | Kevin Hilman <khilman@mvista.com> | 2007-02-07 05:41:37 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-02-18 10:59:48 +0000 |
| commit | 62578cbfaa50df06b3bb6e4231adc3b911a3d4b4 (patch) | |
| tree | eb74bb90e057ae36aee61c88d9253af1a156b924 /sound | |
| parent | f69eda00d4e9808f0ddc88826278f93512cd2c98 (diff) | |
| download | lwn-62578cbfaa50df06b3bb6e4231adc3b911a3d4b4.tar.gz lwn-62578cbfaa50df06b3bb6e4231adc3b911a3d4b4.zip | |
[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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/arm/aaci.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c index 53675cf4de44..b85df793cdce 100644 --- a/sound/arm/aaci.c +++ b/sound/arm/aaci.c @@ -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); } } } |