* [PATCH] mfd: Leave acknowledgement of WM831x touchscreen IRQs to the driver
@ 2011-01-14 13:38 Mark Brown
2011-01-30 23:20 ` Samuel Ortiz
0 siblings, 1 reply; 2+ messages in thread
From: Mark Brown @ 2011-01-14 13:38 UTC (permalink / raw)
To: Samuel Ortiz; +Cc: linux-kernel, patches, Mark Brown
The WM831x touchscreen interrupts need acknowledgement even when using
direct signals to the CPU (which don't go through the core) so leave
the acknowledgement up to the touchscreen driver for simplicity.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
drivers/mfd/wm831x-irq.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c
index 0d3cda4..2f26f80 100644
--- a/drivers/mfd/wm831x-irq.c
+++ b/drivers/mfd/wm831x-irq.c
@@ -481,6 +481,9 @@ static irqreturn_t wm831x_irq_thread(int irq, void *data)
}
out:
+ /* Touchscreen interrupts are handled specially in the driver */
+ status_regs[0] &= ~(WM831X_TCHDATA_EINT | WM831X_TCHPD_EINT);
+
for (i = 0; i < ARRAY_SIZE(status_regs); i++) {
if (status_regs[i])
wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_1 + i,
--
1.7.2.3
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] mfd: Leave acknowledgement of WM831x touchscreen IRQs to the driver
2011-01-14 13:38 [PATCH] mfd: Leave acknowledgement of WM831x touchscreen IRQs to the driver Mark Brown
@ 2011-01-30 23:20 ` Samuel Ortiz
0 siblings, 0 replies; 2+ messages in thread
From: Samuel Ortiz @ 2011-01-30 23:20 UTC (permalink / raw)
To: Mark Brown; +Cc: linux-kernel, patches
Hi Mark,
On Fri, Jan 14, 2011 at 01:38:16PM +0000, Mark Brown wrote:
> The WM831x touchscreen interrupts need acknowledgement even when using
> direct signals to the CPU (which don't go through the core) so leave
> the acknowledgement up to the touchscreen driver for simplicity.
Patch applied, thanks.
Cheers,
Samuel.
--
Intel Open Source Technology Centre
http://oss.intel.com/
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