staging: comedi: cb_pcidas64: remove useless function

Fix the following gcc warning:

drivers/staging/comedi/drivers/cb_pcidas64.c:232:19: warning: unused
function 'analog_trig_low_threshold_bits' [-Wunused-function].

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/1617949425-105420-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 6d3ba39..41a8fea 100644 (file)
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -229,11 +229,6 @@ enum daq_atrig_low_4020_contents {
        EXT_START_TRIG_BNC_BIT = 0x2000,
 };
 
-static inline u16 analog_trig_low_threshold_bits(u16 threshold)
-{
-       return threshold & 0xfff;
-}
-
 enum adc_control0_contents {
        ADC_GATE_SRC_MASK = 0x3,        /* bits that select gate */
        ADC_SOFT_GATE_BITS = 0x1,       /* software gate */