[PATCH 04/21] input: ti_am33x_tsc: remove unwanted fifo flush
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: 2013-06-12 17:01:54
Also in:
linux-iio, linux-omap, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
From: "Patil, Rachna" <redacted> When touchscreen and ADC are used together, this unwanted fifo flush leads to loss of ADC data. Signed-off-by: Patil, Rachna <redacted> Signed-off-by: Felipe Balbi <redacted> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- drivers/input/touchscreen/ti_am335x_tsc.c | 10 ---------- 1 file changed, 10 deletions(-)
diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c
index 2bdd66c..7b7de60 100644
--- a/drivers/input/touchscreen/ti_am335x_tsc.c
+++ b/drivers/input/touchscreen/ti_am335x_tsc.c@@ -252,8 +252,6 @@ static irqreturn_t titsc_irq(int irq, void *dev) unsigned int x = 0, y = 0; unsigned int z1, z2, z; unsigned int fsm; - unsigned int fifo1count, fifo0count; - int i; status = titsc_readl(ts_dev, REG_IRQSTATUS); if (status & IRQENB_FIFO0THRES) {
@@ -262,14 +260,6 @@ static irqreturn_t titsc_irq(int irq, void *dev) z1 = titsc_readl(ts_dev, REG_FIFO0) & 0xfff; z2 = titsc_readl(ts_dev, REG_FIFO1) & 0xfff; - fifo1count = titsc_readl(ts_dev, REG_FIFO1CNT); - for (i = 0; i < fifo1count; i++) - titsc_readl(ts_dev, REG_FIFO1); - - fifo0count = titsc_readl(ts_dev, REG_FIFO0CNT); - for (i = 0; i < fifo0count; i++) - titsc_readl(ts_dev, REG_FIFO0); - if (ts_dev->pen_down && z1 != 0 && z2 != 0) { /* * Calculate pressure using formula
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1.7.10.4