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path: root/drivers/media/pci/bt8xx/bttv-input.c
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Diffstat (limited to 'drivers/media/pci/bt8xx/bttv-input.c')
-rw-r--r--drivers/media/pci/bt8xx/bttv-input.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/media/pci/bt8xx/bttv-input.c b/drivers/media/pci/bt8xx/bttv-input.c
index 67c8d6b2c..a75c53da2 100644
--- a/drivers/media/pci/bt8xx/bttv-input.c
+++ b/drivers/media/pci/bt8xx/bttv-input.c
@@ -194,21 +194,18 @@ static u32 bttv_rc5_decode(unsigned int code)
static void bttv_rc5_timer_end(unsigned long data)
{
struct bttv_ir *ir = (struct bttv_ir *)data;
- struct timeval tv;
+ ktime_t tv;
u32 gap, rc5, scancode;
u8 toggle, command, system;
/* get time */
- do_gettimeofday(&tv);
+ tv = ktime_get();
+ gap = ktime_to_us(ktime_sub(tv, ir->base_time));
/* avoid overflow with gap >1s */
- if (tv.tv_sec - ir->base_time.tv_sec > 1) {
+ if (gap > USEC_PER_SEC) {
gap = 200000;
- } else {
- gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
- tv.tv_usec - ir->base_time.tv_usec;
}
-
/* signal we're ready to start a new code */
ir->active = false;
@@ -249,7 +246,7 @@ static void bttv_rc5_timer_end(unsigned long data)
static int bttv_rc5_irq(struct bttv *btv)
{
struct bttv_ir *ir = btv->remote;
- struct timeval tv;
+ ktime_t tv;
u32 gpio;
u32 gap;
unsigned long current_jiffies;
@@ -259,14 +256,12 @@ static int bttv_rc5_irq(struct bttv *btv)
/* get time of bit */
current_jiffies = jiffies;
- do_gettimeofday(&tv);
+ tv = ktime_get();
+ gap = ktime_to_us(ktime_sub(tv, ir->base_time));
/* avoid overflow with gap >1s */
- if (tv.tv_sec - ir->base_time.tv_sec > 1) {
+ if (gap > USEC_PER_SEC) {
gap = 200000;
- } else {
- gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
- tv.tv_usec - ir->base_time.tv_usec;
}
dprintk("RC5 IRQ: gap %d us for %s\n",