diff options
| author | Patil, Rachna <rachna@ti.com> | 2013-01-24 03:45:07 +0000 |
|---|---|---|
| committer | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2013-06-12 18:36:29 +0200 |
| commit | af9c2fe3740fe8dac05eede8805d9aaa45972cb6 (patch) | |
| tree | 67a3adfdf5c5323092899f40cc806257040f2166 /drivers/input | |
| parent | bb76dc09ddfc135c6c5e8eb7d3c583bfa8bdd439 (diff) | |
input: ti_am33x_tsc: remove unwanted fifo flush
When touchscreen and ADC are used together, this
unwanted fifo flush leads to loss of ADC data.
Signed-off-by: Patil, Rachna <rachna@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/touchscreen/ti_am335x_tsc.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c index 2bdd66cd76a..7b7de6035af 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 |