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[media] ov9650: use msleep() for uncritical long delay

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ulseep_range() uses hrtimers and provides no advantage over msleep()
for larger delays. Fix up the 25ms delays here to use msleep() and
reduce the load on the hrtimer subsystem.

Link: http://lkml.org/lkml/2017/1/11/377
Reviwed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Nicholas Mc Guire 2017-01-16 11:58:33 -02:00 committed by Mauro Carvalho Chehab
parent 70829035ba
commit 0df03379c5
1 changed files with 2 additions and 2 deletions
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4
drivers/media/i2c/ov9650.c
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@ -522,7 +522,7 @@ static void __ov965x_set_power(struct ov965x *ov965x, int on)
if (on) {
ov965x_gpio_set(ov965x->gpios[GPIO_PWDN], 0);
ov965x_gpio_set(ov965x->gpios[GPIO_RST], 0);
usleep_range(25000, 26000);
msleep(25);
} else {
ov965x_gpio_set(ov965x->gpios[GPIO_RST], 1);
ov965x_gpio_set(ov965x->gpios[GPIO_PWDN], 1);
@ -1438,7 +1438,7 @@ static int ov965x_detect_sensor(struct v4l2_subdev *sd)
mutex_lock(&ov965x->lock);
__ov965x_set_power(ov965x, 1);
usleep_range(25000, 26000);
msleep(25);
/* Check sensor revision */
ret = ov965x_read(client, REG_PID, &pid);