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Commit de2bec5e authored by Michael Buesch's avatar Michael Buesch Committed by Mauro Carvalho Chehab
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[media] af9035: Use usleep_range() in fc0011 support code 



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

Signed-off-by: default avatarMichael Buesch <m@bues.ch>
Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent c421d5c9

drivers/media/dvb/dvb-usb/af9035.c

+3 −3
Original line number Diff line number Diff line
@@ -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;