From: H Hartley Sweeten Date: Fri, 7 Aug 2015 18:45:13 +0000 (-0700) Subject: staging: comedi: hwdrv_apci1564: tidy up apci1564_counter_insn_write() X-Git-Tag: v4.3-rc1~158^2~108 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c6288a3bebd8a59364f9ca9871f0fd2ac11963b4;p=karo-tx-linux.git staging: comedi: hwdrv_apci1564: tidy up apci1564_counter_insn_write() Clear the gate and trig bits in the common code path. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c index dc738b26c60a..1315554fb096 100644 --- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c +++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c @@ -147,16 +147,15 @@ static int apci1564_counter_insn_write(struct comedi_device *dev, unsigned int ctrl; ctrl = inl(iobase + ADDI_TCW_CTRL_REG); + ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG); switch (data[1]) { case 0: /* Stops the Counter subdevice */ ctrl = 0; break; case 1: /* Start the Counter subdevice */ - ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG); ctrl |= ADDI_TCW_CTRL_ENA; break; case 2: /* Clears the Counter subdevice */ - ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG); ctrl |= ADDI_TCW_CTRL_GATE; break; }