implement fsleep. change non-return function to void

Author: philippe baetens

drivers/media/i2c/mira220.c

@@ -1119,9 +1119,8 @@ static int mira220_power_on(struct device *dev)
 		dev_err(&client->dev, "%s: failed to enable clock\n", __func__);
 		goto clk_off;
 	}
-	usleep_range(MIRA220_XCLR_MIN_DELAY_US,
-		     MIRA220_XCLR_MIN_DELAY_US + MIRA220_XCLR_DELAY_RANGE_US);
-
+	fsleep(MIRA220_XCLR_MIN_DELAY_US);
+	
 	return 0;
 
 clk_off:
@@ -1196,7 +1195,7 @@ static int mira220_write_stop_streaming_regs(struct mira220 *mira220)
 		return ret;
 	}
 
-	usleep_range(40000, 40000 + 10000);
+	fsleep(40000);
 
 	return ret;
 }
@@ -1663,25 +1662,23 @@ static int mira220_get_regulators(struct mira220 *mira220)
 }
 
 /* OTP power on */
-static int mira220_otp_power_on(struct mira220 *mira220)
+static void mira220_otp_power_on(struct mira220 *mira220)
 {
 	int ret;
 
 	ret = cci_write(mira220->regmap, MIRA220_OTP_CMD_REG,
 			MIRA220_OTP_CMD_UP, NULL);
 
-	return ret;
 }
 
 /* OTP power off */
-static int mira220_otp_power_off(struct mira220 *mira220)
+static void mira220_otp_power_off(struct mira220 *mira220)
 {
 	int ret;
 
 	ret = cci_write(mira220->regmap, MIRA220_OTP_CMD_REG,
 			MIRA220_OTP_CMD_DOWN, NULL);
 
-	return ret;
 }
 
 /* OTP power on */
@@ -1709,7 +1706,7 @@ static int mira220_identify_module(struct mira220 *mira220)
 
 	mira220_otp_power_on(mira220);
 
-	usleep_range(100, 110);
+	fsleep(100);
 
 	ret = mira220_otp_read(mira220, 0x0d, 0, &val);
 	dev_err(&client->dev, "Read OTP add 0x0d with val %x\n", val);
@@ -1806,12 +1803,12 @@ static int mira220_init_controls(struct mira220 *mira220)
 					   V4L2_CID_HFLIP, 0, 1, 1, 0);
 	if (mira220->hflip)
 		mira220->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;
-			   
+
 	mira220->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &mira220_ctrl_ops,
 					   V4L2_CID_VFLIP, 0, 1, 1, 0);
 	if (mira220->vflip)
 		mira220->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;
-			   
+
 	v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &mira220_ctrl_ops,
 				     V4L2_CID_TEST_PATTERN,
 				     ARRAY_SIZE(mira220_test_pattern_menu) - 1,
@@ -1886,7 +1883,7 @@ static int mira220_probe(struct i2c_client *client)
 		return ret;
 	}
 
-	usleep_range(10000, 10000 + 100);
+	fsleep(10000);
 
 	// The sensor must be powered for mira220_identify_module()
 	// to be able to read the CHIP_ID register
@@ -1895,7 +1892,7 @@ static int mira220_probe(struct i2c_client *client)
 	if (ret)
 		return ret;
 
-	usleep_range(100000, 100000 + 1000);
+	fsleep(100000);
 
 	ret = mira220_identify_module(mira220);
 	if (ret)