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af9035: Use usleep_range() in fc0011 support code

PATCH In review Michael Büsch 2 participants 2 messages Apr 3, 2012 Media (V4L/DVB)

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Michael Büsch

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PATCH 1/1 af9035: Use usleep_range() in fc0011 support code

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

Signed-off-by Michael Buesch <[email protected]>

---

drivers/media/dvb/dvb-usb/af9035.c +3 -3
Index: linux/drivers/media/dvb/dvb-usb/af9035.c
===================================================================
@@ -590,7 +590,7 @@
 		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 @@
 		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;
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Greetings, Michael.

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