From eafb3d2ee0052bf3f38ff01f4f1699ad0db20459 Mon Sep 17 00:00:00 2001 From: Ian Abbott Date: Thu, 12 Dec 2013 11:32:19 +0000 Subject: [PATCH] staging: comedi: ssv_dnp: correct insn_bits result [Part of commit f6b316bcd8c421acd6fa5a6e18b4c846ecb9d965 upstream. Split from original patch subject: "staging: comedi: ssv_dnp: use comedi_dio_update_state()"] Also, fix a bug where the state of the channels is returned in data[0]. The comedi core expects it to be returned in data[1]. Signed-off-by: Ian Abbott Signed-off-by: Ben Hutchings --- drivers/staging/comedi/drivers/ssv_dnp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/staging/comedi/drivers/ssv_dnp.c b/drivers/staging/comedi/drivers/ssv_dnp.c index 526de2efa125..0316780103b5 100644 --- a/drivers/staging/comedi/drivers/ssv_dnp.c +++ b/drivers/staging/comedi/drivers/ssv_dnp.c @@ -251,11 +251,11 @@ static int dnp_dio_insn_bits(struct comedi_device *dev, /* on return, data[1] contains the value of the digital input lines. */ outb(PADR, CSCIR); - data[0] = inb(CSCDR); + data[1] = inb(CSCDR); outb(PBDR, CSCIR); - data[0] += inb(CSCDR) << 8; + data[1] += inb(CSCDR) << 8; outb(PCDR, CSCIR); - data[0] += ((inb(CSCDR) & 0xF0) << 12); + data[1] += ((inb(CSCDR) & 0xF0) << 12); return 2; -- 2.39.2