[media] r820t: use usleep_range()

Instead of using msleep(), use sleep_range(), as it provides
a closer sleep time.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>

diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index e9367d896a07ff5c0587bce74adf2d720d7128d4..279be4f78e7acd9fd804811503703688fc662061 100644 (file)
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -657,7 +657,7 @@ static int r820t_set_pll(struct r820t_priv *priv, u32 freq)
                 * FIXME: Rafael chips R620D, R828D and R828 seems to
                 * need 20 ms for analog TV
                 */
-               msleep(10);
+               usleep_range(10000, 11000);
 
                /* Check if PLL has locked */
                rc = r820t_read(priv, 0x00, data, 3);
@@ -1007,7 +1007,7 @@ static int r820t_set_tv_standard(struct r820t_priv *priv,
                rc = r820t_write_reg_mask(priv, 0x1d, 0x00, 0x38);
                if (rc < 0)
                        return rc;
-               msleep(1);
+               usleep_range(1000, 2000);
        }
        priv->int_freq = if_khz * 1000;
 
@@ -1049,7 +1049,7 @@ static int r820t_set_tv_standard(struct r820t_priv *priv,
                        if (rc < 0)
                                return rc;
 
-                       msleep(1);
+                       usleep_range(1000, 2000);
 
                        /* Stop Trigger */
                        rc = r820t_write_reg_mask(priv, 0x0b, 0x00, 0x10);
@@ -1347,7 +1347,7 @@ static int r820t_xtal_check(struct r820t_priv *priv)
                if (rc < 0)
                        return rc;
 
-               msleep(5);
+               usleep_range(5000, 6000);
 
                rc = r820t_read(priv, 0x00, data, sizeof(data));
                if (rc < 0)