redonkable/alistair23-linux
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[media] af9035: Use usleep_range() in fc0011 support code

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Use usleep_range() instead of msleep() to improve power saving opportunities.

Signed-off-by: Michael Buesch <m@bues.ch>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Michael Büsch 2012-04-03 05:11:30 -03:00 committed by Mauro Carvalho Chehab
parent c421d5c9d4
commit de2bec5e54
1 changed files with 3 additions and 3 deletions
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6
drivers/media/dvb/dvb-usb/af9035.c
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@ -590,7 +590,7 @@ static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
err = af9035_wr_reg_mask(d, 0xd8d1, 1, 1);
if (err)
return err;
msleep(10);
usleep_range(10000, 50000);
break;
case FC0011_FE_CALLBACK_RESET:
err = af9035_wr_reg(d, 0xd8e9, 1);
@ -602,11 +602,11 @@ static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
err = af9035_wr_reg(d, 0xd8e7, 1);
if (err)
return err;
msleep(10);
usleep_range(10000, 20000);
err = af9035_wr_reg(d, 0xd8e7, 0);
if (err)
return err;
msleep(10);
usleep_range(10000, 20000);
break;
default:
return -EINVAL;